what is required to determine minimum sample size to
estimate a polulation mean

Answers

Answer 1

To determine the minimum sample size required to estimate a population mean, you need the following information:

Population Standard Deviation (σ) or an estimate of it: If the population standard deviation is known, it can be used directly. Otherwise, if you don't have the population standard deviation, you can use a sample standard deviation (s) as an estimate, which is typically the case in practice.

Confidence Level: This refers to the level of certainty you want in your estimate. Common confidence levels are 90%, 95%, and 99%. The higher the confidence level, the larger the sample size required.

Margin of Error (E): This represents the maximum allowable difference between the estimated sample mean and the true population mean. It is usually expressed as a proportion or percentage of the population standard deviation.

The desired level of precision: This is related to the margin of error and reflects how precise you want your estimate to be. It is often expressed as a decimal or a fraction of the population standard deviation.

Once you have these pieces of information, you can use a formula or an online sample size calculator to determine the minimum sample size required. The formula typically used is:

n = [(Z * σ) / E]²

Where:

n is the required sample size.

Z is the Z-score corresponding to the desired confidence level.

σ is the population standard deviation or the sample standard deviation.

E is the margin of error.

Keep in mind that this formula assumes a normal distribution of the population or a sufficiently large sample size for the Central Limit Theorem to apply.

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Related Questions

Let y = 5,√√x. Find the change in y, Ay when x = 1 and Ax 0.1 = Find the differential dy when x = 1 and da = 0.1

Answers

The values of the given functions are: [tex]Ay = 0.70711, dy = 0.25[/tex]

We need to find the change in y, Ay when x = 1 and Ax 0.1 =

Find the differential dy when x = 1 and da = 0.1

Formula Used:

To find the differential, we use the formula:

[tex]dy = f'(x) * da[/tex]

Where dx is the change in x.f'(x) is the derivative of f(x).da is the differential of x.

[tex]Ay = √√1 \\= √(1/2) \\= 0.70711[/tex]

Now, we are given, [tex]x = 1 and dx = 0.1[/tex]

Let us first find the derivative of y using the chain rule:

[tex]dy/dx = (1/2) * 5 * x^(-3/4) * (x^(-1/4))^(-1)\\dy/dx = (1/2) * 5 * x^(-3/4) * x^(1/4)\\dy/dx = (5/2) * x^(-1/2)[/tex]

Substituting [tex]x = 1,[/tex]

[tex]dy/dx = (5/2) * (1)^(-1/2)\\dy/dx = 5/2 = 2.5\\[/tex]

Now, we need to find dy when [tex]x = 1 and dx = 0.1,[/tex]

[tex]dy = f'(x) * dxdy \\= (5/2) * (0.1) \\= 0.25[/tex]

Hence, [tex]Ay = 0.70711, dy = 0.25[/tex]

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please help, thank you!
The point (7, pi/3) can also be represented by which of the
following polar coordinates?
The point 7. can also be represented by which of the following polar coordinates? Select all that apply. A. 8. C. D. (7.²) 7 4x WH CARLO

Answers

The possible polar coordinates of the point (7, π/3) are:(7.51, 0.615) or (7.51, π/3).

The polar coordinates of the given point are to be determined.Suppose, the polar coordinates of the given point are given by (r, θ).

Then, we have:r = √(x² + y²)θ = tan⁻¹(y/x)

Here, the given point is (7, π/3).

x = 7,y = 7,tan(π/3) = (7 * √3)/3

r = √(7² + [(7 * √3)/3]²)≈ 7.51θ = tan⁻¹([(7 * √3)/3])/7)≈ 0.615

The polar coordinates of the given point are (7.51, 0.615) or (7.51, π/3).

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In the following, use the fact that we know 1+x+x 2
+x 3
+⋯= 1−x
1

and some clever substitutions to obtain closed-form expressions for the following related infinite series: (i) 1−x+x 2
−x 3
+⋯=∑ k=0
[infinity]

(−1) k
x k
= 回 (ii) 1+x 2
+x 4
+x 6
+⋯=∑ k=0
[infinity]

x 2k
= (iii) 1−x 2
+x 4
−x 6
+⋯=∑ k=0
[infinity]

(−1) k
x 2k
= 回 Now, if we integrate the last formula above (noticing that there is no constant of integration on either side), we get: x− 3
x 3

+ 5
x 5

− 7
x 7

+⋯=∑ k=0
[infinity]

2k+1
(−1) k
x 2k+1

= This series was originally called Gregory's series, named after the Scottish mathematician James Gregory (16381675). Since it was first discovered by the Indian mathematician Madhava of Sangamagrama (c.1340 - c.1425), it is also referred to as the Madhava-Gregory series. When we substitute x=1 into the Madhava-Gregory series, we get the famous and surprising formula 1− 3
1

+ 5
1

− 7
1

−⋯=∑ k=0
[infinity]

2k+1
(−1) k

= which has many names, one of which is the Madhava-Leibniz formula for π, named for German mathematician Gottfried Leibniz

Answers

the closed-form expression for the series is [tex]1 / (1 + x)[/tex]. the closed-form expression for the series is [tex]1 / (1 - x^2)[/tex]. the closed-form expression for the series is [tex]1 / (1 - x^4)[/tex].

To obtain closed-form expressions for the given infinite series, we can use the known identity[tex]1 + x + x^2 + x^3 + ⋯ = 1 / (1 - x)[/tex]. Let's manipulate this identity to derive the desired expressions.

(i) [tex]1 - x + x^2 - x^3[/tex]

We can rewrite this series as the negative of the series[tex]1 + (-x) + (-x)^2 + (-x)^3 +[/tex] ⋯. Using the identity, we have:

[tex]1 + (-x) + (-x)^2 + (-x)^3 +[/tex]⋯ [tex]= 1 / (1 - (-x)) = 1 / (1 + x)[/tex]

Hence, the closed-form expression for the series is 1 / (1 + x).

(ii) [tex]1 + x^2 + x^4 + x^6 +[/tex] ⋯

Notice that this series only includes even powers of x. We can rewrite it as follows:

[tex]1 + x^2 + x^4 + x^6 +[/tex] ⋯ [tex]= 1 / (1 - x^2)[/tex]

Using the identity, we have:

[tex]1 / (1 - x^2) = 1 / [(1 - x)(1 + x)][/tex]

To simplify further, we can use the difference of squares:

[tex]1 / [(1 - x)(1 + x)] = 1 / (1 - x) * 1 / (1 + x) = 1 / (1 - x^2)[/tex]

Therefore, the closed-form expression for the series is [tex]1 / (1 - x^2)[/tex].

(iii)[tex]1 - x^2 + x^4 - x^6[/tex] + ⋯

Similar to the previous series, this series includes even powers of x, but alternating in sign. We can rewrite it as:

[tex]1 - x^2 + x^4 - x^6 +[/tex] ⋯ [tex]= 1 / (1 + x^2)[/tex]

Using the identity, we have:

[tex]1 / (1 + x^2) = 1 / (1 - (-x^2)) = 1 / (1 - (-x^2)^2)[/tex]

Simplifying further, we have:

[tex]1 / (1 - (-x^2)^2) = 1 / (1 - x^4)[/tex]

Therefore, the closed-form expression for the series is [tex]1 / (1 - x^4)[/tex].

By integrating the expression from (iii), we obtain the series:

[tex]x^{-3} + 5x^{-5} - 7x^{-7} +[/tex] ⋯

which can be written as:

∑ [tex](-1)^k * (2k + 1) * x^(-2k - 1)[/tex], where the summation goes from k = 0 to infinity.

Please note that the derivation of the Madhava-Gregory series and the connection to the Madhava-Leibniz formula for π involves more advanced mathematical concepts and historical context. The series manipulation provided above demonstrates the relationship between the given infinite series and the known identity.

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Write the constraint described by each of the following statements. Variable terms should all be on the left side of the constraint followed by the correct inequality or equality symbol and the right side should be a numeric value. I recommend using the equation writer in Word under the Insert tab. To receive full credit the constraint should be written with variables on the left hand side and a single numeric value on the right hand side (e.g. 4x1-3x2≤0)
The total production of A and B must at least 100 units.
The quantity of Y must be at least two times as large as one-fifth the quantity of Z.
The ratio of x1 to x2 can be no more than the ratio of 13 to 23.
The quantity of M must be at least one-fourth as large as the sum of P and Q.
The production of D must be no more than 6 more than twice the production of C.

Answers

1) The total production of A and B must be at least 100 units: A + B ≥ 100.

2) Y ≥ 2/5 * Z. 3) x1 / x2 ≤ 13/23. 4) M ≥ 1/4 * (P + Q). 5) D ≤ 2C + 6.

1) The total production of A and B must be at least 100 units:

A + B ≥ 100.

2) The quantity of Y must be at least two times as large as one-fifth the quantity of Z:

Y ≥ 2/5 * Z.

3) The ratio of x1 to x2 can be no more than the ratio of 13 to 23:

x1 / x2 ≤ 13/23.

4) The quantity of M must be at least one-fourth as large as the sum of P and Q:

M ≥ 1/4 * (P + Q).

5) The production of D must be no more than 6 more than twice the production of C:

D ≤ 2C + 6.

In summary:

1) A + B ≥ 100.

2) Y ≥ 2/5 * Z.

3) x1 / x2 ≤ 13/23.

4) M ≥ 1/4 * (P + Q).

5) D ≤ 2C + 6.

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Let f be the function given by f(x) = 2x² - 4x² + 1. a) Find an equation of the line tangent to the graph at (2,17).

Answers

The equation of the line tangent to the graph of f(x) = 2x² - 4x + 1 at the point (2, 17) is: y = 4x + 9.

How to Find the Equation of a Line Tangent to a Graph?

To find the equation of the line tangent to the graph of the function f(x) = 2x² - 4x + 1 at the point (2, 17), we need to determine the slope of the tangent line at that point.

The slope of the tangent line can be found by taking the derivative of the function f(x) and evaluating it at x = 2.

First, let's find the derivative of f(x):

f'(x) = d/dx(2x² - 4x + 1)

= 4x - 4

Now, we can evaluate the derivative at x = 2:

f'(2) = 4(2) - 4

= 8 - 4

= 4

So, the slope of the tangent line at the point (2, 17) is 4.

Next, we can use the point-slope form of a linear equation to find the equation of the tangent line. The point-slope form is given by:

y - y₁ = m(x - x₁)

where (x₁, y₁) is the given point and m is the slope.

Substituting the values into the equation:

y - 17 = 4(x - 2)

Now, we can simplify the equation:

y - 17 = 4x - 8

Finally, rearrange the equation to obtain the equation of the line in slope-intercept form:

y = 4x - 8 + 17

y = 4x + 9

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Solve the initial value problem below using the method of Laplace transforms. w′′ +4w=8t^2 +4,w(0)=2, w′ (0)=−20 Click here to view the table of Laplace transforms. Click here to view the table of properties of Laplace transforms. w(t)=

Answers

The solution of the initial value problem is [tex]w(t) = 2 - 8t + 8t^{2} + 2e^{-2t}[/tex].[/tex]

Using the method of Laplace transforms, we can solve the given initial value problem as follows:

Given:

w′′ +4w=8t²+4,

w(0)=2,

w′(0)=−20.

Laplace transform of the given equation will be:

L{w′′} + 4 L{w} = 8 L{t²} + 4

Using property 3 from the Table of Properties of Laplace Transforms and Table of Laplace Transforms, we get:

s²L{w} - s w(0) - w′(0) + 4

L{w} = 8 * 2! / s³ + 4 / s

Applying the initial conditions w(0)=2 and w′(0)=−20 in the above equation, we get:

s²L{w} - 2s + 20 + 4

L{w} = 16 / s³ + 4 / s

Rearranging the above equation, we get:

L{w} = [16 / s³ + 4 / s + 2s - 20] / [s² + 4]

Using partial fraction method, we can write:

L{w} = 2/s - 8/s² + 16/s³ + 4/(s+2)

Taking the inverse Laplace transform of the above equation, we get:

[tex]w(t) = 2 - 8t + 16t^{2}/2 + 4e^{-2t}\\w(t) = 2 - 8t + 8t^{2} + 2e^{-2t}[/tex]

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ZILLDIFFEQMODAP11 7.R.003. Answer true or false. If f is not piecewise continuous on [0,[infinity]>), then L{f(t)} will not exist. True False Answer true or false. If L{f(t)}=F(s) and L{g(t)}=G(s), then L−1{F(s)G(s)}=f(t)g(t). True False

Answers

The statement given is: If f is not piecewise continuous on [0,[infinity]>), then L{f(t)} will not exist. TrueExplanation:Let f be a function which is not piecewise continuous on [0,∞). It means that at least one of the conditions is not met.

The first condition is that f is continuous on [0, ∞) except for finitely many points of discontinuity. The second condition is that f has exponential order.The Laplace transform of a function f(t) is given by

L{f(t)}=∫[0,∞)e^(-st)f(t)dt

Provided the integral exists, and the Laplace transform of f(t) exists only if the function is piecewise continuous on [0, ∞). Hence the given statement is True.Let L{f(t)}=F(s) and L{g(t)}=G(s). The statement is:

L−1{F(s)G(s)}=f(t)g(t).False

The inverse Laplace transform is defined as

L^-1(F(s)) = 1/2πj∫γF(s)e^(st)ds

where γ is a Bromwich contour in the complex plane that has the line

Re(s) = σ as a vertical asymptote and encloses all of the singularities of

F(s).If L{f(t)}=F(s) and

L{g(t)}=G(s),

then the Laplace transform of the product f(t)g(t) is given by

L{f(t)g(t)}=∫[0,∞)e^(-st)f(t)

g(t)dt=∫[0,∞)e^(-st)f(t)∫[0,∞)e^(-st)g(t)dt= F(s)G(s)

The inverse Laplace transform of F(s)G(s) is therefore given by

L^-1(F(s)G(s)) = L^-1(L{f(t)g(t)})= f(t)g(t)

Therefore the statement, L−1{F(s)G(s)}=f(t)g(t) is False.

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Explain how your samples may be bias and how would you modify
your sample or data collection technique to avoid any potential
biases.

Answers

These Sample-Biases can arise from various sources, such as the demographics of the authors, the topics covered, or the societal biases reflected in the text.

To modify the sample or data collection technique to avoid potential biases, several approaches can be employed :

Some approaches are explained below :

(i) Diverse Training Data: Expanding the range of training data by including diverse sources, perspectives, and demographics can help mitigate biases.

(ii) Preprocessing and Filtering: Applying preprocessing techniques to identify and remove biased or unrepresentative content can help reduce biases in the training data.

(iii) Multiple Perspectives: Ensuring that training data includes a variety of viewpoints and perspectives can help mitigate bias.

(iv) User Feedback and Iterative Improvement: Actively soliciting user feedback on biased responses can help identify and address biases in real-time.

(v) Regular Auditing and Evaluation: Conducting regular audits and evaluations of the model's performance for bias can help identify and rectify any biases that may emerge over time.

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A marginal abatement cost that shows a factory's
pollution is represented by MAC= 360 - 5E with a tax per unit equal
to 20$. How much will the factory reduce its emissions? SHOW FULL
CALCULATIONS

Answers

The factory will reduce its emissions by 155 units.

Given, the marginal abatement cost that shows a factory's pollution is represented by MAC = 360 - 5E and a tax per unit equal to $20.

To determine the reduction in emissions from the factory, we need to find the equilibrium point after imposing the tax, which is given as;

MAC + tax = Marginal private cost (MPC)

The MPC curve is the same as the MAC curve. We just add the tax to it.

MPC = MAC + tax

MPC = 360 - 5E + 20

MPC = 380 - 5E

At equilibrium, MPC = Marginal social cost (MSC)

MSC = 400 - 10E

For finding the reduction in emissions, we need to equate both the equations:

MSC = MPC

400 - 10E

= 380 - 5E10E - 5E

= 400 - 3805E

= 205E

= 41 units

Now that we have E, we can find the amount of emissions reduced by using the original equation.

MAC = 360 - 5E = 360 - 5(41) = 155

Therefore, the factory will reduce its emissions by 155 units.

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A population of values has a normal distribution with
μ=77.6μ=77.6 and σ=19.4σ=19.4. You intend to draw a random sample
of size n=215n=215.
What is the mean of the distribution of sample means?

Answers

The population of values has a normal distribution with mean = 77.6 and standard deviation = 19.4.

The sample size = 215. We are to determine the mean of the distribution of sample means. We know that the formula for the mean of the distribution of sample means is given by:

μX = μ=77.6μX = μ=77.6 (1)and the formula for standard error (σX) of the distribution of sample means is given by: σX = σnσX = σn (2)

Substituting the given values of μ and σ in equations (1) and (2) respectively, we obtain:

μX = μ=77.6μX = μ=77.6σX = σn=19.4/√215σX = σn=19.4/√215μX = 77.6μX = 77.6σX = 1.322σX = 1.322

Therefore, the mean of the distribution of sample means is 77.6 and the standard error of the distribution of sample means is 1.322.

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Simplify (9 + 3i) - (4 + 5i)

Answers

Answer:

5 - 2i

Step-by-step explanation:

(9 +3i) - (4 + 5i)

9 + 3i - 4 - 5i

9 - 4 + 3i - 5i

5 - 2i

Answer:i+ 2.5

Step-by-step explanation:

A company manufactures tennis balls. When its tennis balls are dropped onto a concrete surface from a height of 100 inches, the company wants the mean height the balls bounce upward to be 54.8 inches. This average is maintained by periodically testing random samples of 25 tennis balls. If the t-value falls between - t 0

.99 and t 0

.99, then the company will be satisfied that it is manufactuning acceptable tennis balls. A sample of 25 balls is randomly selected and tested. The mean bounce height of the sample is 56.5 inches and the standard deviation is 0.25 inch. Assume the bounce heights are approximately normally distributed. Is the company making acceptable tennis balis? Find −t 0.99

and t 0.99

. −t 0

99=
t 0

99=

Answers

The company is not making acceptable tennis balls according to the given criteria.

To determine if the company is making acceptable tennis balls, we need to compare the calculated t-value to the range of -t0.90 and t0.90.

Given:

Population mean (μ) = 55.4 inches

Sample mean ([tex]\bar x[/tex]) = 56.6 inches

Sample standard deviation (s) = 0.25 inches

Sample size (n) = 25

The formula to calculate the t-value is:

t-value = ([tex]\bar x[/tex] - μ) / (s / √n)

Substituting the given values:

t-value = (56.6 - 55.4) / (0.25 / √25) = 1.2 / (0.25 / 5) = 1.2 / 0.05 = 24

Since the t-value of 24 is larger than t0.90 (which corresponds to a smaller range of -t0.90 to t0.90), we can conclude that the t-value falls outside the acceptable range.

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Find The Critical Points Of The Function F(X,Y)=X2+Y2−6x−8y. B) Using The Lagrange Multipliers Method Find

Answers

The critical points of the function f(x, y) = x^2 + y^2 - 6x - 8y are (3, 4).

To find the critical points of the function f(x, y) = x^2 + y^2 - 6x - 8y, we need to find the points where the gradient of the function is equal to zero.

Step 1: Find the partial derivatives of f(x, y) with respect to x and y:

∂f/∂x = 2x - 6

∂f/∂y = 2y - 8

Step 2: Set the partial derivatives equal to zero and solve for x and y:

2x - 6 = 0

2y - 8 = 0

Solving these equations, we find:

x = 3

y = 4

Therefore, the critical point of the function f(x, y) is (3, 4).

Now, using the Lagrange multipliers method, we can find the constrained critical points.

Let's say we have a constraint g(x, y) = k, where k is a constant. In this case, we don't have a specific constraint given, so we can skip this step.

Step 1: Set up the Lagrangian function L(x, y, λ) = f(x, y) - λ(g(x, y) - k). Since we don't have a constraint, we can set L(x, y, λ) = f(x, y).

L(x, y) = x^2 + y^2 - 6x - 8y

Step 2: Find the partial derivatives of L(x, y) with respect to x, y, and λ:

∂L/∂x = 2x - 6

∂L/∂y = 2y - 8

Step 3: Set the partial derivatives equal to zero and solve for x, y, and λ:

2x - 6 = 0

2y - 8 = 0

Solving these equations, we get:

x = 3

y = 4

Therefore, the critical point of the function f(x, y) using the Lagrange multipliers method is also (3, 4).

In summary, the critical points of the function f(x, y) = x^2 + y^2 - 6x - 8y are (3, 4).

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the table below shows the results in a taste test of a new hamburger. children prefer children do not prefer parents prefer .54 .11 parents do not prefer .29 .06 what is the probability that children or their parents prefer the hamburger?

Answers

To calculate probability that children or their parents prefer hamburger, we need to find sum of the probabilities of two events. Therefore, the probability that children or their parents prefer hamburger is .83, or 83%.

The given table provides the probabilities for each of these events. By adding the probability that children prefer (.54) to the probability that parents prefer (.29), we obtain a total probability of .83.The table represents the probabilities of different preferences in the taste test.

To find the probability that either children or their parents prefer the hamburger, we sum the probabilities of these two events. According to the table, the probability that children prefer the hamburger is .54, and the probability that parents prefer the hamburger is .29. Adding these probabilities together, we get .54 + .29 = .83. Therefore, the probability that children or their parents prefer the hamburger is .83, or 83%.

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Test the series below for convergence using the Root Test. ∑ n=1
[infinity]
​ ( 6n+5
4n
​ ) n
The limit of the root test simplifies to lim n→[infinity]
​ ∣f(n)∣ where f(n)= The limit is: (enter oo for infinity if needed) Based on this, the series Diverges Converges

Answers

According to the question based on the Root Test, the series diverges as the limit evaluates to infinity [tex](oo)[/tex] since [tex]\( \frac{3}{2} \)[/tex] raised to any power [tex]\( n \) where \( n \)[/tex] approaches infinity will result in an infinitely large value.

To test the series [tex]\( \sum_{n=1}^{\infty} \left( \frac{6n+5}{4n} \right)^n \)[/tex] for convergence using the Root Test, we evaluate the limit:

[tex]\[ \lim_{n \to \infty} \left| \frac{6n+5}{4n} \right|^n \][/tex]

Simplifying the expression inside the absolute value:

[tex]\[ \lim_{n \to \infty} \left( \frac{6n+5}{4n} \right)^n = \left( \lim_{n \to \infty} \frac{6n+5}{4n} \right)^n \][/tex]

Now, let's evaluate the limit inside the parentheses:

[tex]\[ \lim_{n \to \infty} \frac{6n+5}{4n} = \frac{6}{4} = \frac{3}{2} \][/tex]

Therefore, the limit simplifies to:

[tex]\[ \lim_{n \to \infty} \left( \frac{3}{2} \right)^n \][/tex]

If the limit is less than 1, the series converges. If the limit is greater than 1 or equal to infinity, the series diverges.

In this case, the limit evaluates to infinity [tex](oo)[/tex] since [tex]\( \frac{3}{2} \)[/tex] raised to any power [tex]\( n \) where \( n \)[/tex] approaches infinity will result in an infinitely large value.

Therefore, based on the Root Test, the series diverges.

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Consider the following cases examining the benefits of making a down payment. Case 1: You want to buy a car. Suppose you borrow $10,000 for two years at an APR of 4%. Case 2: You want to buy a car. Suppose you borrow $10,000 for two years at an APR of 4% and make a down payment of $3,000. This means you borrow only $7,000. What are the advantages of making a down payment? (Select all that apply.) reduction in the total interest paid over the life of the loan Increase in the total interest paid over the life of the loan increase in term of the loan reduction in term of the loan increase in monthly payment reduction in monthly payment

Answers

When buying a car, making a down payment can have various benefits such as reduction in the total interest paid over the life of the loan, reduction in the term of the loan, and reduction in monthly payment.

In the given cases, the advantages of making a down payment of $3,000 on a $10,000 car loan at an APR of 4% for two years are explained.

In Case 1, the borrower borrows $10,000 at an APR of 4% for two years. Therefore, the total interest paid over the life of the loan is (10,000 x 0.04 x 2) = $800.

The monthly payment for this loan can be calculated using the following formula:

Monthly payment = [tex](P x r) / (1 - (1 + r) ^ -n)[/tex]where,P = principal amountr = interest raten = number of payments per year.

The monthly payment is calculated as [tex]($10,000 x 0.04 / 12) / (1 - (1 + 0.04 / 12) ^ -24) = $439.89.[/tex]

In Case 2, the borrower borrows $7,000 ($10,000 - $3,000) at an APR of 4% for two years. Therefore, the total interest paid over the life of the loan is (7,000 x 0.04 x 2) = $560. The monthly payment for this loan can be calculated using the same formula:

Monthly payment = [tex](P x r) / (1 - (1 + r) ^ -n).[/tex]

The monthly payment is calculated as [tex]($7,000 x 0.04 / 12) / (1 - (1 + 0.04 / 12) ^ -24) = $307.92.[/tex]

From the above calculation, it is evident that making a down payment of $3,000 reduces the total interest paid over the life of the loan from $800 to $560, which is a reduction of $240. It is because the borrower borrows a lesser amount, and hence, he/she has to pay lesser interest on the loan. Also, making a down payment reduces the term of the loan.

The borrower has to pay back the loan in 24 months in both cases, but the amount to be repaid is less in Case 2 (i.e., $7,000 instead of $10,000). Therefore, the borrower can clear the loan sooner in Case 2 than in Case 1. Furthermore, making a down payment also reduces the monthly payment.

In Case 1, the monthly payment is $439.89, whereas, in Case 2, the monthly payment is $307.92. Hence, making a down payment reduces the monthly burden on the borrower, and he/she can manage his/her finances better.

Thus, we can conclude that making a down payment when buying a car can be beneficial for the borrower as it can reduce the total interest paid over the life of the loan, reduce the term of the loan, and reduce the monthly payment.

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Assume the random variable x is normally distributed with mean μ=86 and standard deviation σ=4. Find the indicated probability. P(73

Answers

P(73 < X < 83) = [probability value] (calculated using z-scores and the standard normal distribution)

The probability P(73 < X < 83) for a normally distributed random variable with a mean μ = 86 and standard deviation σ = 4, we can standardize the values using the z-score formula.

First, calculate the z-score for the lower value (73):

z1 = (73 - 86) / 4

Next, we calculate the z-score for the upper value (83):

z2 = (83 - 86) / 4

Using the standard normal distribution table or a calculator, we can find the probabilities associated with these z-scores. Then, we calculate the difference between the two probabilities to find the desired probability: P(73 < X < 83) = P(z1 < Z < z2).

The final probability value can be determined by subtracting the cumulative probability associated with the lower z-score from the cumulative probability associated with the higher z-score.

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5. An n×n matrix N is said to be nilpotent if N k
=0 for some k∈N. (a) (6 points) Prove that I−N is invertible by finding (I−N) −1
. (Hint: Think of an analogue to the series 1−x
1

=1+x+x 2
+⋯ from calculus

Answers

We have proved that I - N is invertible, and its inverse is (I + N).

To prove that the matrix I - N is invertible, we can show that its determinant is non-zero.

Let's assume that N is a nilpotent matrix, which means there exists some positive integer k such that N^k = 0.

Now consider the matrix A = I + N. We want to prove that A is invertible, which implies that I - N is also invertible.

To find the inverse of A, let's consider the series expansion of the geometric progression:

(1 - x)^(-1) = 1 + x + x^2 + x^3 + ...

Comparing this series with the matrix A = I + N, we can see that x corresponds to -N. Since N is nilpotent, there exists some positive integer k such that N^k = 0. Therefore, (-N)^k = 0 as well.

Using the analogy, we can rewrite A^(-1) as:

A^(-1) = (I + N)^(-1) = I - N + N^2 - N^3 + ... + (-1)^(k-1)N^(k-1)

Note that all the terms beyond the (k-1)th term will be zero since N^k = 0.

Thus, we can simplify the series to:

A^(-1) = I - N + N^2 - N^3 + ... + (-1)^(k-1)N^(k-1)

Now, let's multiply A and A^(-1) together:

A * A^(-1) = (I + N) * (I - N + N^2 - N^3 + ... + (-1)^(k-1)N^(k-1))

Expanding this product, we can see that each term cancels out with the corresponding negative term, leaving only the first term I.

Therefore, we have:

A * A^(-1) = I

This shows that A = I + N is invertible, and its inverse is A^(-1) = I - N + N^2 - N^3 + ... + (-1)^(k-1)N^(k-1).

Hence, I - N is also invertible, and its inverse is I - N + N^2 - N^3 + ... + (-1)^(k-1)N^(k-1).

Therefore, we have proved that I - N is invertible, and its inverse is (I + N).

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To prove sin5thitta minus sin7thitta minus sin4thitta plus sin8thitta divide by cos4thitta minus cos5thitta minus cos8thita plus cos7thitta

Answers

Answer:

.04

Step-by-step explanation:

sin 5∅ - sin 7∅ - sin4∅ + sin8∅ divided by cos 4∅ - cos 5∅ - cos 8∅ + cos 7∅

= sin (5∅ - 7∅ - 4∅ + 8∅) / cos (4∅ - 5∅ - 8∅ + 7∅)

= sin 2∅ / cos -2∅

= .035 / .999 = .04

Given \( f(x)=-2 \times 3-9 \times 2+60 x+7 \). Find its critical values and its local extrema (local max and local min)

Answers

The critical values and their corresponding local extrema are:

Critical value: x = -5 and Local minimum: f(-5)

Critical value: x = 2 and Local maximum: f(2)

How to find the critical values and local extrema of a function?

To find the critical values and local extrema of the given function, we'll follow these steps:

Step 1: Find the derivative of the function.

Step 2: Set the derivative equal to zero and solve for x to find the critical values.

Step 3: Determine the second derivative.

Step 4: Use the second derivative test to classify the critical points as local maxima or minima.

Step 1:  the derivative of the function is:

f'(x) = -2(3x²) - 9(2x) + 60 = -6x² - 18x + 60

Step 2: To find the critical values, we set the derivative equal to zero and solve for x:

-6x² - 18x + 60 = 0

Step 3: Solve the quadratic equation.

-6x² - 18x + 60 = 0

x² + 3x - 10 = 0    (Divide through by -6)

(x - 2)(x + 5) = 0    (Factorize)

x = 2 or x = -5

This gives two potential critical values: x = -5, and x = 2.

Step 4: Determine the second derivative.

To determine the second derivative, we differentiate the first derivative:

f''(x) = d/dx(-6x² - 18x + 60)

= -12x - 18.

Step 5: Apply the second derivative test.

We evaluate the second derivative at each critical value to classify them as local maxima or minima.

For x = -5:

f''(-5) = -12(-5) - 18

= 60 - 18

= 42,

which is positive. So, at x = -5, we have a local minimum.

For x = 2:

f''(2) = -12(2) - 18

= -24 - 18

= -42,

which is negative. So, at x = 2, we have a local maximum.

Therefore, the critical values and their corresponding local extrema are:

Critical value: x = -5

Local minimum: f(-5)

Critical value: x = 2

Local maximum: f(2)

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22 If we group the first two farms and the last two terms as follows (xy+5y) + (2x + 10) Group 1 what do you notice about each group? Group 2 the Suplay y 12, +alls (1) 23 Factor these values out of each group and then write down the equivalent algebraic expression. 24 What is the common factor in the two terms? 25 Use the distributive property to factor out this common factor and then express the polynomial as a product of two binomials​

Answers

22. In the given expression, we grouped the terms into two groups based on their common factors. Group 1 consisted of terms with a common factor of y, and Group 2 consisted of terms with a common factor of 2.

22. Factoring out the common factors from each group, we obtained (x + 5)(y + 2) as the equivalent algebraic expression.

23. The common factor in the two terms was (x + 5),

24.  by using the distributive property, we factored out this common factor to express the polynomial as a product of two binomials

22. Let's break down the problem step by step:

The given expression is (xy + 5y) + (2x + 10).

Group 1: xy + 5y

Group 2: 2x + 10

Notice that in Group 1, both terms have a common factor of y, and in Group 2, both terms have a common factor of 2.

23. Factoring out the common factors from each group gives us:

Group 1: y(x + 5)

Group 2: 2(x + 5)

24. The common factor in the two terms is (x + 5).

25. Using the distributive property, we can factor out the common factor from the expression:

(x + 5)(y + 2)

Therefore, the polynomial can be expressed as the product of two binomials: (x + 5)(y + 2).

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The state of matter that has the most probability of leaking Select one: a. mixture O b. none of the choices Oc. gas Od. solid Oe. liquid Question 12 Not yet answered Marked out of 1.00 P Flag question This if formless fluid that takes the shape of the container. Can be compressed, or expanded. Select one: a. liquid gas none of the choices mixture solid O b. O c. O d. O e. Question 13 Not yet answered Marked out of 1.00 F Flag question The most probable route of a toxic gas from the air into the human body Select one: O a. drinking O b. swallowing O C. inhalation O d. none of the choices Question 14 Not yet answered Marked out of 1.00 P Flag question Which of the following types of chemicals can be very toxic Select one: Oa. none of the choices O b. light metals O c. sugars Od. compounds Oe. heavy metals Question 15 Not yet answered Marked out of 1.00 Flag question Dermatitis usually involves swollen, itchy and reddened skin Select one: Oa. O b. True False. estion 16 yet wered ked out of 0 Flag question This is important when buying chemicals from a supplier to prevent accident in the use of the chemicals Select one: O a. none of the choices O b. temperature O c. material data sheet O d. state of matter Oe. price Question 17 Not yet answered Marked out of 1.00 P Flag question This is an example of an acute/short term effect Select one: O a. this is the effect after 20 years O b. O C. Od. e. a person died after drinking contaminated water a person experience paralysis after 10 years this is the effect after a long time none of the choices Question 18 Not yet answered Marked out of 1.00 P Flag question This is use to warn people of the dangers associated with chemicals Select one: O a. hardness O b. none of the choices Oc. pH O d. packaging Oe. GHS pictograms

Answers

The state of matter that has the most probability of leaking is gas. The particles can enter the lungs and bloodstream, leading to health problems or even death.

Gases have a tendency to escape their container or to fill any available space. This is because of the constant motion of gas particles, which leads to diffusion.

In a closed container, the pressure of the gas will eventually reach a point where it is high enough to cause leaks through any weak points in the container walls.

In addition, the formless fluid that takes the shape of the container, can be compressed or expanded is gas. Gases take the shape of their container because their particles are in constant random motion. Because they are not connected to each other like those of solids and liquids, they will expand to fill the volume of the container given to them.

The most probable route of a toxic gas from the air into the human body is through inhalation. This is the act of breathing in air or other substances that contain particles of a toxic gas. The particles can enter the lungs and bloodstream, leading to health problems or even death.

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Find the potential function f for the field F. F=8x7y8z6i+8x8y7z6j+6x8y8z5k A. f(x,y,z)=384x8y8z6​ B. f(x,y,z)=x24y24z18+C C. f(x,y,z)=x8y8z6+C D. f(x,y,z)=x8y8z6+8x8y7z6+6x8y8z5+C

Answers

f(x,y,z)=   [tex]x^{8}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex] + C

Thus option C is correct .

Given expression,

F = 8[tex]x^{7}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex]i + 8[tex]x^{8}[/tex][tex]y^{7}[/tex][tex]z^{6}[/tex]j+6[tex]x^{8}[/tex][tex]y^{8}[/tex][tex]z^{5}[/tex]k

Now ,

To find the potential function it should satisfy ,

∇ . f = F

∇f = < ∂f/∂x , ∂f/∂y , ∂f/∂z > = < F1 , F2 , F3 >

∂f/∂x(x , y , z) = 8[tex]x^{7}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex]

∂f/∂y (x , y , z) = 8[tex]x^{8}[/tex][tex]y^{7}[/tex][tex]z^{6}[/tex]

∂f/∂z (x , y , z) = 6[tex]x^{8}[/tex][tex]y^{8}[/tex][tex]z^{5}[/tex]

∂f/∂x(x , y , z) = 8[tex]x^{7}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex]

F(x , y , z) = [tex]x^{8}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex] + g(y , z)

∂f/∂y (x , y , z) = 8[tex]x^{8}[/tex][tex]y^{7}[/tex][tex]z^{6}[/tex]

∂f/∂y = 8[tex]x^{8}[/tex][tex]y^{7}[/tex][tex]z^{6}[/tex] + ∂g/∂y (y , z)

∴∂g/∂y (y , z) = 0

g(y,z) = Ф(x)

Here,

f(x , y , z) =   [tex]x^{8}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex] + Ф(x)

∂f/∂x(x , y , z) = 8[tex]x^{7}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex]

After integrating,

∂f/∂x = 8[tex]x^{7}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex] + ∂Ф/∂x

Calculating Ф,

Ф = c

Thus the complete answer will be :

f(x,y,z)=   [tex]x^{8}[/tex][tex]y^{8}[/tex][tex]z^{6}[/tex] + C

Thus option C is correct .

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Rewrite the following as a sum or difference of logs: log(x²-4) log(x²) log (4) log(x+2) 8 log (x-2) o log g(x-2) + log g(x+2) o log g(x-2) - log g(x+2) o (log(x-2)) (log(x+2))

Answers

Therefore, the expressions rewritten as a sum or difference of logarithms are:

1. log(x²-4) = log[(x-2)(x+2)]

5. 8log(x-2) = log[(x-2)^8]

7. log[g(x-2)] - log[g(x+2)] = log[g(x-2)/g(x+2)]

Specifically, we can use the logarithmic identities for multiplication, division, and exponentiation.

1. log(x²-4)

We can rewrite this expression as the difference of two logarithms:

log(x²-4) = log[(x-2)(x+2)]

2. log(x²)

There is no need to rewrite this expression as it is already a logarithm.

3. log(4)

There is no need to rewrite this expression as it is already a logarithm.

4. log(x+2)

There is no need to rewrite this expression as it is already a logarithm.

5. 8log(x-2)

We can rewrite this expression as the sum of logarithms:

8log(x-2) = log[(x-2)^8]

6. log[g(x-2)] + log[g(x+2)]

This expression is already written as a sum of logarithms.

7. log[g(x-2)] - log[g(x+2)]

We can rewrite this expression as the difference of logarithms:

log[g(x-2)] - log[g(x+2)] = log[g(x-2)/g(x+2)]

8. (log(x-2))(log(x+2))

This expression is already written as a product of logarithms.

Therefore, the expressions rewritten as a sum or difference of logarithms are:

1. log(x²-4) = log[(x-2)(x+2)]

5. 8log(x-2) = log[(x-2)^8]

7. log[g(x-2)] - log[g(x+2)] = log[g(x-2)/g(x+2)]

The expressions that are already written as a sum or difference of logarithms are:

6. log[g(x-2)] + log[g(x+2)]

8. (log(x-2))(log(x+2))

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Find the distance between point k and L point .

i would try but i feel like ima be wrong :'/

Answers

GiveN:-K = (-3 ,4) L = (3, 4)To finD :-Distance Between KL = ?? SolutioN:-

To find the distance between two given points, we can use distance Formula...

[tex] \bigstar \: { \underline{ \overline{ \boxed{ \frak{Distance= \sqrt{{(x_{2} - x_{1}) }^{2} +{(y_{2} - y_{1}) }^{2} }}}}}}[/tex]

★ Let's substitute the values into the distance formula:-

[tex]{\longrightarrow \:{ \pmb{\: Distance= \sqrt{{(x_{2} - x_{1}) }^{2} +{(y_{2} - y_{1}) }^{2} }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= \sqrt{{( 3-( - 3)) }^{2} +{(4-4) }^{2} }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= \sqrt{{( 3 + 3) }^{2} +{(4-4) }^{2} }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= \sqrt{{( 3 + 3) }^{2} +{(0) }^{2} }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= \sqrt{{( 3 + 3) }^{2} }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= \sqrt{{(6 )}^{2} }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= \sqrt{36 }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= \sqrt{6 \times 6 }}}}[/tex]

[tex]{\longrightarrow \:{ \pmb{\: KL= 6 \: units}}}[/tex]

Therefore, the distance between the points (-3, 4) and (3, 4) is 6 units.

Answer:

Step-by-step explanation:

Just count, from -3 to 3 is 6

or you can use the distance formula

d = √((x2-x1)2 + (y2-y1)2)

 = √((3--3)2 + (4-4)2)

 = √((6)2

 = √36

 = 6

what is the LCM of 25, 90, 105​

Answers

Answer:

3150

Step-by-step explanation:

A firm manufactures a commodity at two different factories, Factory X and Factory Y. The total cost (in dollars) of manufacturing depends on the quantities, x and y produced at each factory, respectively, and is expressed by the joint cost function: C(x,y)=2x 2
+xy+8y 2
+2400 A) If the company's objective is to produce 2,000 units per month while minimizing the total monthly cost of production, how many units should be produced at each factory? (Round your answer to whole units, i.e. no decimal places.) To minimize costs, the company should produce: at Factory X and at Factory Y B) For this combination of units, their minimal costs will be dollars.

Answers

The company should produce: at Factory 857 and their minimal costs will be: $2,739,001.

Given that the total cost (in dollars) of manufacturing depends on the quantities, x and y produced at each factory, respectively, and is expressed by the joint cost function: [tex]C(x,y) = 2x² + xy + 8y² + 2400.[/tex]

To minimize the total monthly cost of production while producing 2,000 units per month, we need to find out how many units should be produced at each factory.

Let the quantity produced at Factory X be x and that produced at Factory Y be y.

If the objective of the company is to produce 2,000 units per month while minimizing the total monthly cost of production, then we have to minimize C(x, y) under the constraint that x + y = 2,000, which implies y = 2,000 - x.

Substitute y = 2,000 - x into the cost function. Then, we have:

[tex]C(x) = C(x, 2,000 - x) = 2x² + x(2,000 - x) + 8(2,000 - x)² + 2400.[/tex]

[tex]C(x) = 2x² + 2,000x - x² + 8(4,000,000 - 8,000x + x²) + 2400.[/tex]

[tex]C(x) = -7x² + 16,000x + 32,080,400.[/tex]

The total monthly cost function of the factory is [tex]C(x) = -7x² + 16,000x + 32,080,400.[/tex]

The minimum value of this function is obtained at [tex]x = -b/2a = -16,000/(-2 x 7) = 1,143[/tex] (approx).

Therefore, to minimize costs, the company should produce: at Factory X = 1,143 and at Factory Y = 2,000 - 1,143 = 857.

For this combination of units, their minimal costs will be:$C(1,143,857) = -7(1,143)² + 16,000(1,143) + 32,080,400 = $2,739,001.

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The Planes Πα And ∏Β Have Equations ∏Α:6x−3y+Z=5∏Β:−X+32y+5z=5 Calculate The Angle Between The

Answers

The angle between the planes Πα and ∏Β is determined using the formula cosθ = -97 / (√48300). The exact value of θ can be obtained by taking the inverse cosine (arccos) of -97 / (√48300).

To calculate the angle between two planes, we can use the formula:

cosθ = (a1a2 + b1b2 + c1c2) / (√(a1^2 + b1²+ c1²) * √(a2² + b2²+ c2²))

where (a1, b1, c1) and (a2, b2, c2) are the normal vectors of the two planes.

For plane Πα: 6x - 3y + z = 5, the normal vector is (6, -3, 1).

For plane ∏Β: -x + 32y + 5z = 5, the normal vector is (-1, 32, 5).

Substituting these values into the formula, we get:

cosθ = ((6 * -1) + (-3 * 32) + (1 * 5)) / (√(6² + (-3)²+ 1^2) * √((-1)²+ 32²+ 5²))

Simplifying further:

cosθ = (-6 - 96 + 5) / (√36 + 9 + 1) * (√1 + 1024 + 25)

cosθ = -97 / (√46 * √1050)

cosθ = -97 / (√48300)

To find the angle θ, we can take the inverse cosine (arccos) of cosθ:

θ = arccos(-97 / (√48300))

Using a calculator or math library, we can find the value of θ.

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Mx(t) is the moment-generating function for the distribution of the random variable X. Find the mean and variance of the distribution. My(t) = (1-2t)-3 μ= 0²=

Answers

The mean (μ) of the distribution is 6, and the variance (σ^2) is 12.

To calculate the mean and variance of the distribution, we can use the moment-generating function (MGF) My(t) of the random variable Y.

Provided My(t) = (1 - 2t)^(-3), we can calculate the mean (μ) and variance (σ^2) using the following formulas:

μ = M'(0)

σ^2 = M''(0) - [M'(0)]^2

First, let's obtain the first derivative of My(t) with respect to t:

M'(t) = d/dt[(1 - 2t)^(-3)]

      = -3(1 - 2t)^(-4) * (-2)

      = 6(1 - 2t)^(-4)

Now, substitute t = 0 into M'(t) to obtain the mean (μ):

μ = M'(0)

  = 6(1 - 2(0))^(-4)

  = 6

So, the mean of the distribution is μ = 6.

Next, let's obtain the second derivative of My(t) with respect to t:

M''(t) = d^2/dt^2[(1 - 2t)^(-3)]

       = 6(-4)(1 - 2t)^(-5) * (-2)

       = 48(1 - 2t)^(-5)

Now, substitute t = 0 into M''(t) and M'(0) to obtain the variance (σ^2):

σ^2 = M''(0) - [M'(0)]^2

    = 48(1 - 2(0))^(-5) - [6]^2

    = 48 - 36

    = 12

So, the variance of the distribution is σ^2 = 12.

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A preventive maintenance program that follows the philosophy of optimum parts replacement will have: a. No failures b. Minimal parts replacement costs c. Frequent maintenance operations d. Some failures

Answers

A preventive maintenance program that follows the philosophy of optimum parts replacement will have minimal parts replacement costs.

Preventive maintenance is conducted on equipment and machines to prevent unexpected breakdowns and failures.

A preventive maintenance program follows the philosophy of optimum parts replacement; it seeks to minimize the number of parts that need to be replaced to ensure optimal performance, minimal downtime, and minimal costs.

The answer to this question is that a preventive maintenance program that follows the philosophy of optimum parts replacement will have minimal parts replacement costs.

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Other Questions
Mankind being originally equals in the order of creation, the equality could only be destroyed by some subsequent circumstance; the distinctions of rich, and poor, may in a great measure be accounted for, and that without having recourse to the harsh, ill-sounding names of oppression and avarice. Oppression is often the CONSEQUENCE, but seldom or never the MEANS of riches; and though avarice will preserve a man from being necessitously poor, it generally makes him too timorous to be wealthy.But there is another and greater distinction, for which no truly natural or religious reason can be assigned, and that is, the distinction of men into KINGS and SUBJECTS. Male and female are the distinctions of nature, good and bad the distinctions of heaven; but how a race of men came into the world so exalted above the rest, and distinguished like some new species, is worth inquiring into, and whether they are the means of happiness or of misery to mankind.What is Thomas Paine's central claim in this excerpt? A. There will always be a distinction between kings and their subjects. B. The equality that humans enjoyed during creation has been ruined because of war and famine. C. Not all people who belonged to the upper sections of society were cruel. D. The differences between the kings and the subjects were not religious or natural. Find the remainder when (10274 + 55)37 is divided by 111 What is the ratio for the surface areas of the rectangular prisms shown belagiven that they are similar and that the ratio of their edge lengths is 3:1?9A. 9:1OB. 1:27OC. 27:1OD. 1:918363612 In no less than seventy-five words, explain the matter of sacred texts for the ancient Greek culture. The following is a list of a student's scores on his Spanish test.72, 70, 65, 83, 92, 95Which box plot represents this data? A horizontal number line starting at 64 with tick marks every one unit up to 98. The values of 65, 68, 77.5, 90, and 96 are all marked by the box plot. The graph is titled Spanish Tests, and the line is labeled Scores. A horizontal number line starting at 63 with tick marks every one unit up to 98. The values of 65, 70, 77.5, 92, and 95 are all marked by the box plot. The graph is titled Spanish Tests, and the line is labeled Scores. A horizontal number line starting at 64 with tick marks every 1 unit up to 98. The values of 65, 69, 76.5, 84, and 95 are all marked by the box plot. The graph is titled Spanish Tests, and the line is labeled Scores. A horizontal number line starting at 64 with tick marks every one unit up to 98. The values of 65, 70, 83, 90, and 96 are all marked by the box plot. The graph is titled Spanish Tests, and the line is labeled Scores. The fibres not used nowadays for optical fibre communication system are Find the area of the region bounded by the curves y = x, x = 4 - y and the x-axis. Let R be the region bounded by the curve y = -x - 4x - 3 and the line y = x + 1. Find the volume of the solid generated by rotating the region R about the line x = 1. which of the following is a true statement? group of answer choices throughout the world one in six children live where there is some form of war. all of these are true statements. along with the risk of premature death and disability resulting from exposure to violence, war leads to issues such as severe malnutrition, malaria, and other diseases. the united nations international children's education fund (unicef) estimates there are 230 million children living in countries and areas where there is armed conflict. the mrna for caudal and hunchback are distributed evenly throughout the drosophila embryo, yet the caudal protein is found only in the posterior portion of the embryo and the hunchback protein is present in greater amounts anteriorly. this distribution is due to: Please help me to solve three question.If you know that when a firm produces 10 units of output, total costs are $1,030 and average fixed costs are $10, then total fixed costs are: O $100 O $1,020 O $1,000 $30According to the figure, wha Peg and Meg live five miles apart on Elm Street. The school that they attend lies on a street that makes a 62 angle with Elm Street when measured from Peg's house. The street connecting Meg's house and the school makes a 65 angle with Elm Street. How far is it from Peg's house to the school? Complete the following sentence by using the words in the list below. Write only the word next to the question number (1.1(a)-1.1 (c)) in the ANSWER BOOK. kept; money; divided; children; estate; colleagues In this poem the speaker gives instructions on how his (a)... should be (b)... amongst his (c) ... Refer to stanza 2. (a) Identify the figure of speech in lines 5 - 6. (b) Explain this figure of speech Question 22 5 Pts Consider The Following Line Of Code For Calling A Function Named Func1: Func1(Vectdata, Vardata); Which One Problem 1-11 Draw complete Lewis structures for the following condensed structural formulas. a. CH 3(CH 2) 3CH(CH 3) 2b. (CH 3) 2CHCH 2Cl c. CH 3CH 2COCN d. CH 2CHCHO e. (CH 3) 3CCOCHCH 24. CH 3COCOOH g. (CH 3CH 2) 2CO h. (CH 3) 3COH Swap the order of integration (do not integrate); as usual, you must show work to receive credit: 15x2+21003xxydydx. (b) Integrate: 043y6ysin(x5)dxdy 2. (10 Points.) Find the volume of the intersection of x2+z2R2 and y2+z2R2. 3. (10 Points.) Set up, but do not evaluate the integral Dx2yzdV, where D is the solid region formed by points that lie below x+y+3z=4, above the xy-plane, and within the vertical cylinder of radius 3 about the origin. What is the probability that both events B and C will occur? In this chapter, you learned about how a firm's business strategy and talent philosophy shape its human resources (HR) strategy, which then influences the firm's staffing strategy. After Ryan and Ann learned about this process, they felt that the company needed to develop a more formal talent philosophy of its own to shape its HR and staffing strategy. They have asked you for your recommendations. Chapter 2 and Tables 2-4 and 2-5 should help you identify key components of an appropriate talent philosophy, human resource strategy, and staffing philosophy for Chern's. Be sure to consider the company's business strategy and competitive advantage, life stage, and the company's values and culture when making your recommendations. You should also clarify how putting the right talent in the company's sales associate positions can create a competitive advantage for Chern's. In addition to developing a formal talent philosophy, HR strategy, and specific staffing strategy, you also need to explain how Chern's should address each of the nine strategic staffing decisions listed in Table 2-6 for the sales associate position, and justify your reasoning. For example, the first decision is whether Chern's should establish a core or flexible sales associate workforce. Describe in your report if Chern's should focus on a core or flexible workforce and to what degree. Be sure to explain why they should follow your recommendations. Do this for the other eight strategic staffing decisions as well, taking into account the chapter material as well as the information provided about Chern's in the beginning of the appendix. Assignment a. Develop a formal talent philosophy, HR strategy, and specific staffing strategy for Chern's sales associates. b. Address each of the nine strategic staffing decisions for this important position. c. Explain each of your recommendations for the nine decisions. When a nation's PPF is a straight line some inputs are better at producing some goods than others no matter how much of one good we produce, we always have to sacrifice the same amount of production of the other good we must use calculus to calculate its exact slope the opportunity cost changes depending on where we measure it We wouldn't have to worry so much about decision making if we had an infinite amount of resources opportunity cost were infinitely large resources were scarce most people used marginal analysis to make decisions Explain how disobedience to traffic rules and regulation can have an adverse effect on people To identify a biome, which types of information would be most helpful? Question 24 options: a. predator and prey type b. climate and food webs in the ecosystemsc. the longitude and latitude of the location