Go math lesson 4-2 constant rate of change. Pg 29

The interest that we will have in 6 months if you invest 1000 dollars at 3% compounded monthly is 15.09 dollars.

Let's find the compound interest that will if one invest 1000 dollars in 6 months at 3% rate compounded monthly.

using compound interest formula,

[tex]A = P(1 + \frac{r}{n} )^{nt}[/tex]

where

Therefore,

p = 1000

r = 3% = 3 / 100 = 0.03

t = 0.5

n = 12

Therefore,

[tex]A = 1000(1+\frac{0.03}{12} )^{12(0.5)}[/tex]

A = 1000(1 + 0.0025)⁶

A = $1,015.09

Therefore,

Interest = 1,015.09 - 1000 = $15.09

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Answer:

Jennifer

Step-by-step explanation:

The domain of a function is the set of x-values that result in defined and real values for that function.

In this case the requirement was to plot a graph so that the domain is between -4 and 5 inclusive

We can represent this mathematically as -4 ≤ x ≤ 5

If you look at both graphs, Ashton's graph on the left has a minimum
x-value of -4 and a maximum x-value of 5. So his graph is correct

Carlie's graph on the right does have a minimum x-value of -4 but its maximum x-value is between 2 and 3. So this graph is incorrect

Therefore Jennifer's statement is correct

Answer: Jennifer

Answer: 53

Step-by-step explanation:

If 9 ≤ 3/4 + x,

x ≥ 8 1/4 (Transpose the 3/4)

So, the least possible value of 8x - 13 will be when x is the least or, x is 8 1/4

or 33/4

8 x 33/4 - 13 = 66 - 13 = 53

Answer:

I hope my answer is correct!

The least possible value of 8x-13 when 9 <= 3/4 +x is -13. This is because when x = 9, 8x-13 = 8(9)-13 = 72-13 = 59, which is the least possible value of 8x-13 when 9 <= 3/4 +x.

According to this, 3/10 of an inch on a map corresponds to 7/8 miles in actual distance.

In the case of a unit rate expressed as a fraction, the denominator is 1 unit. Divide the denominator by the denominator to represent a rate as a unit rate.

According to this, 3/10 of an inch on a map corresponds to 7/8 miles in actual distance.

Conversion Unit, This unit of conversion, also known as a rate, is utilized to help us map out greater numbers on a smaller piece of paper. Miles to Inches conversion factor is

Data provided 3/10 in equals 7/8 miles.

This suggests that we would depict the real 7/8 miles of distance on the map by 3/10 inches. Inevitably, this would result in a reduction in size or length.        

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Answer:

I hope this is right :)..

38% of 124 is 47.12% and 138% of 124 is 171.12%

A percentage is a number or ratio that can be expressed as a fraction of 100.

Given that, we need to find 38% and 138% of 124,

a) Percentage = 38 / 100 × 124

= 38 × 124 / 100

= 4712 / 100

= 47.12%

b) Percentage = 138 / 100 × 124

= 138 × 124 / 100

= 17112 / 100

= 171.12%

Hence, 38% of 124 is 47.12% and 138% of 124 is 171.12%

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The range of the function is given by set A = { -11 , -9 , -7 , -5 , -3 }

The domain of a function is the set of values that we are allowed to plug into our function. This set is the x values in a function such as f(x). The range of a function is the set of values that the function assumes. This set is the values that the function shoots out after we plug an x value in.

The range is the set of outputs of a relation or function. In other words, it's the set of possible y values. Recall that ordered pairs are of the form (x,y) so the y coordinate is listed after the x. The output is listed after the input.

Given data ,

Let the range of the function be represented as set A

Now , the function is given by

f ( x ) = 2x - 7   be equation (1)

Let the domain of the function be represented as set B = { -2 , -1 , 0 , 1 , 2 }

Substitute the value for x in the given equation , we get

when x = -2

f ( x ) = 2x - 7

f ( -2 ) = 2 ( -2 ) - 7

f ( -2 ) = -4 - 7 = -11

when x = -1

f ( x ) = 2x - 7

f ( -1 ) = 2 ( -1 ) - 7

f ( -1 ) = -2 - 7 = -9

when x = 0

f ( x ) = 2x - 7

f ( 0 ) = 2 ( 0 ) - 7

f ( 0 ) = 0 - 7 = -7

when x = 1

f ( x ) = 2x - 7

f ( 1 ) = 2 ( 1 ) - 7

f ( 1 ) = 2 - 7 = -5

when x = -2

f ( x ) = 2x - 7

f ( 2 ) = 2 ( 2 ) - 7

f ( 2 ) = 4 - 7 = -3

Therefore , the value of set A is { -11 , -9 , -7 , -5 , -3 }

Hence , the range of the function is { -11 , -9 , -7 , -5 , -3 }

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Therefore , as a result, the z-answer table's to the test statistic problem given above determines that the corresponding confidence level for 1.65 is 90%.

The Z-statistic, that exhibits the typical normal null hypothesis is true, has been the statistical test for something like a Z-test. Let's say you do a two-tailed X y with a 0.05 significance level and get a 2.5 Z-statistic (also known as a Z-value) depending on your data. The p-value for this Z-value is 0.0124.

Here,

Given :

the following characteristics

The ratio of the sample size n = 900 p equals 0.6 * 900 = 540 p = 540/900 p = 0.6 E = 2.7% = 0.027.

The answer to the above problem is:

=> 0.027 = z* 0.6(1-0.6)/900

=> 0.027 = z* (0.24/900)

=>0.027 = z* 0.00163

=>0.027/0.0163 = z

=>z = 1.65

As a result, the z-answer table's to the test statistic problem given above determines that the corresponding confidence level for 1.65 is 90%.

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Answer:

[tex]\textrm{P(2 heads in a row) } =\boxed{\dfrac{3}{8}}[/tex]

Step-by-step explanation:

Let H represent the event that the coin turns up heads and T the event that coin turns up tails

So we can get H on the first toss, then 2 T's on the next two tosses, a T on the first toss and 2 H on the next two tosses, two T on the first two tosses and a H on the third toss etc.

The sample space for 3 tosses of a coin consists of 2³ elements since there are two possible outcomes for each of 3 events

The sample space is enumerated below

1 H H H

2 T H H

3 H T H

4 T T H

5 H H T

6 H T T

7 T H T

8 T T T

There are 3 possibilities where 2 H appear in a row

These are the ones in bold in the table above

Since only 3 outcomes out of a total of 8 possible outcomes can result in 2 heads in a row,

[tex]\textrm{P(2 heads in a row) } =\dfrac{3}{8}[/tex]

This leads to the conclusion that x=5 is the answer to the given function problem.

A link where every x is related to a distinct y variable is called a function. It's noteworthy that when utilizing the similar y and different xs, the inverse is not possible. Except for vertical and horizontal lines, all linear equations can be expressed as functions.

Here,

a function that we've provided

f(x) = 5 - 25x / x

First, the x common factor in the numerator and denominator will be removed, and the resulting fraction will be zero.

5x -25

The common factor, which is 5, will be removed once more, and we will receive 5.

5(x-5)

In this case, we'll compare the expression to zero.

5(x-5) = 0

We shall discover x's value.

x=5

As a result, x=5 is the answer to the function issue that was presented.

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The complete question is "Find the x value in the given function

f(x) = 5 - 25x / x  on the 16 pages - 9 "

The proportion of people in the area who would purchase food from the restaurant is greater than 60%.

Hypothesis testing is used to determine if the proportion of people in a particular area that would purchase food from a particular restaurant is greater than 60%. The null hypothesis, denoted by H0, is that the proportion of people who would purchase food from the restaurant is 60%, or p=0.6. The alternative hypothesis, denoted by H1, is that the proportion of people who would purchase food from the restaurant is greater than 60%, or p>0.6.

To conduct the test, we can use a one-sample proportion test, which is a type of statistical test that compares an observed proportion to a hypothesized proportion. To calculate the test statistic, we can use the formula:

Test statistic = (observed proportion - hypothesized proportion) / (standard error of the proportion)

In this case, the observed proportion is 320/500 = 0.64 and the hypothesized proportion is 0.6. Therefore, the test statistic is:

Test statistic = (0.64 - 0.6) / (square root of (0.6 * (1 - 0.6) / 500))

Test statistic = 0.04 / (square root of (0.6 * 0.4 / 500))

Test statistic = 0.04 / 0.0341

Test statistic = 1.17

The test statistic is 1.17, which is greater than the critical value of 1.645. Therefore, we can reject the null hypothesis and conclude that the proportion of people in the area who would purchase food from the restaurant is greater than 60%.

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Answer: $6085.15

Step-by-step explanation:

Substituting into the exponential decay formula yields [tex]9250(1-0.051)^8 \approx \$6085.15[/tex].

Answer:

76683932992840842842774839498289294929x91983918938019308926753234793357888890878676932 is a very large number and its exact value is not possible to calculate by hand or with common calculators. However, it can be calculated using a computer with advanced mathematical software.

Step-by-step explanation:

[tex]y^2 - \cfrac{1}{16}=0\implies y^2=\cfrac{1}{16}\implies y=\pm\sqrt{\cfrac{1}{16}}\implies y=\pm\cfrac{\sqrt{1}}{\sqrt{16}}\implies y=\pm \cfrac{1}{4}[/tex]

If everyone picks zero, they all win. Only Nash equilibrium is when everyone guesses zero or an extremely low number.

There is no purely dominant tactic in this game. There is a special pure strategy Nash equilibrium, though. Through the iterative elimination of weakly dominated techniques, this equilibrium can be discovered.

Since it cannot potentially be 2/3rds of the average of any guess, guessing any number that lies above 66.67 is dominated for every player. These might be taken away.

Any estimate above 44.45 is weakly dominated for every player once these techniques are removed for each player since no player would guess above 66.67 and 2/3 of 66.67 is roughly 44.45. This procedure will keep going until all numbers higher than 0 are gone.

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x + 3y = 70 represents the number of 1-point and 3-point questions in an assignment worth 70 points.

What is algebraic equation ?

An algebraic equation is a mathematical statement that shows that two expressions are equal. It typically consists of a combination of numbers, variables and mathematical operations such as addition, subtraction, multiplication, and division.

The equation that represents the situation where the teacher is creating an assignment worth 70 points and it will consist of questions worth 1 point and questions worth 3 points, where x represents the number of 1-point questions and y represents the number of 3-point questions is:

x + 3y = 70

This equation states that the total number of points, which is the sum of the number of 1-point questions (x) multiplied by 1 and the number of 3-point questions (y) multiplied by 3 is equal to 70.

x + 3y = 70 represents the number of 1-point and 3-point questions in an assignment worth 70 points.

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Assuming that the company’s claims are true, there is a probability of 0.9824 that the first person to have a college degree is the third person selected at random.

The company claims that 74% of its employees hold college degrees.

Taking the total number of employees as 1,

The probability of employees who do hold a college degree P(3) is 0.74

Therefore, the probability of employees who do not have a college degree is (1-0.74) = 0.26

The probability that the first 2 employees do not have a college degree P(1&2) is 0.26^2

The equation thus turns out to be;

Probability that the 3rd person is the first to hold a college degree = P(1&2)*P(3)= (0.26^2)*0.74= 0.9824

Therefore, the probability that the first person to hold a college degree in the company is the third person chosen at random is 0.9824.

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The required equation in which case the left side is the power of 10 times n and the right side is the result of multiplying 0.1515 by 10 will be' (10)n = 10(0.1515).

An equation is an expression that shows the relationship between two or more numbers and variables.

A mathematical equation is a statement with two equal sides and an equal sign in between. An equation is, for instance, 4 + 6 = 10. Both 4 + 6 and 10 can be seen on the left and right sides of the equal sign, respectively.

We are given that the equation as;

(10)n=10(0.11515 -n=0.1515

(10)n = 10(0.1515).

n = 0.1515

Therefore, the resulting equation from the subtraction as;

(10n - n) = 10(0.1515) - 0.1515

9n = 9 (0.1515).

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The fixed equation in the given question is y=x-4

The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.

A simple equation is a mathematical formula that, on both sides of the "equal to" sign, expresses the connection between two expressions. Equations in this category include a variable, which is often expressed as x or y. Simple equations frequently need to be rearranged in order to be solved.

In the given equation

To fix the equation such that the line coincides with the star

the equation should be

y=x-4

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The curvature of the curve is 55/9 in accordance with the provided declaration.

Curve, An abstract phrase used to express the trajectory of a steadily moving particle in mathematics (see continuity). Usually, an equation will create such a route. The term may also be used to describe a linear model or a collection of connected line segments. The IS curve displays variants of interest rates plus production levels where anticipated expenditure and income are equal. The many interest and income configurations along whom the merchandise is in homeostasis are represented by the IS Curve.

[tex]\mathbf{r}(t)=\left\langle 6 t, t^2, \frac{1}{9}\left(t^3\right)\right\rangle[/tex]

So,

[tex]x(t)=6 t, y(t)=t^2, z(t)=\frac{1}{9}\left(t^3\right)[/tex]

Then,

[tex]\begin{aligned}& x^{\prime}(t)=\frac{d}{d t}(6 t) \\& =6 \cdot \frac{d}{d t}(t)\end{aligned}[/tex]

= 6(1)

= 6

[tex]\begin{aligned}& y^{\prime}(t)=\frac{d}{d t}\left(t^2\right) \\& =2 t^{2-1}\end{aligned}[/tex]

= 2t

And,

[tex]\begin{aligned}& z^{\prime}(t)=\frac{d}{d t}\left(\frac{1}{9}\left(t^3\right)\right) \\& =\frac{1}{9}\left(3 t^{3-1}\right) \\& =\frac{1}{9}\left(3 t^2\right) \\& =\frac{1}{3}\left(t^2\right)\end{aligned}[/tex]

Now calculating length of the given curve from 0 to 1,

[tex]\begin{aligned}& L=\int_0^1 \sqrt{(6)^2+(2 t)^2+\left(\frac{1}{3}\left(t^2\right)\right)^2} d t \\& =\int_0^1 \sqrt{(6)^2+2 \cdot 6 \cdot \frac{1}{3}\left(t^2\right)+\left(\frac{1}{3}\left(t^2\right)\right)^2} d t \\& =\int_0^1 \sqrt{\left(6+\frac{1}{3}\left(t^2\right)\right)^2} d t\end{aligned}[/tex]

[tex]\begin{aligned}& =\int_0^1\left(6+\frac{1}{3}\left(t^2\right)\right) d t \\& =\int_0^1 6 d t+\int_0^1 \frac{1}{3}\left(t^2\right) d t \\& =6 \int_0^1 d t+\frac{1}{3} \int_0^1 t^2 d t \\& =6[t]_0^1+\frac{1}{3}\left[\frac{t^{2+1}}{2+1}\right]_0^1 \\& =6[1-0]+\frac{1}{3}\left[\frac{t^3}{3}\right]_0^1\end{aligned}[/tex]

[tex]\begin{aligned}& =6(1)+\frac{1}{3}\left[\frac{1^3}{3}-\frac{0^3}{3}\right] \\& =6+\frac{1}{3}\left[\frac{1}{3}-0\right] \\& =6+\frac{1}{9} \\& =\frac{54+1}{9}\end{aligned}[/tex]

= 55/9

Therefore, required arc length is 55/9

NOTE:

For a vector valued function,

[tex]\mathbf{r}(t)=\langle x(t), y(t), z(t)\rangle[/tex] arc length fro a to b

[tex]L=\int_a^b \sqrt{\left(x^{\prime}(t)\right)^2+\left(y^{\prime}(t)\right)^2+\left(z^{\prime}(t)\right)^2} d t[/tex]

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Answer:

We can set up two equations to represent the information given in the problem:

F = 2S (where F is the father's present age and S is the son's present age)

(F - 10) / (S - 10) = 5/2

We can substitute equation 1 into equation 2:

(2S - 10) / (S - 10) = 5/2

We can cross-multiply and simplify to solve for S:

2S - 10 = 5S - 25

3S = 35

S = 35/3

S = 11.67

So the son is currently 11.67 years old. To find the father's age, we can use equation 1:

F = 2S

F = 2 * 11.67

F = 23.33

So the father is currently 23.33 years old.

Answer: The appropriate hypotheses for this significance test are:

Null hypothesis (H0): The true mean travel time for all students who attend this school is equal to 20 minutes.

Alternative hypothesis (Ha): The true mean travel time for all students who attend this school is greater than 20 minutes.

The null hypothesis states that there is no difference between the claim (20 minutes) and the sample mean (22.4 minutes). The alternative hypothesis states that there is a difference and the sample mean is greater than the claim. The student will use the sample data and a chosen significance level (such as α = 0.05) to decide whether to reject or fail to reject the null hypothesis.

Step-by-step explanation:

The equation and the accompanying justification that describes a line that is parallel to EF is: C. Y = -1/3x + 5 1/3 the slopes are equal.

If two lines are said to be parallel to each other, their equations that is expressed as y = mx + b, will have the same slope value of m. Y = mx + b is the slope-intercept form of any equation that represents a line.

Given that the equation y = -1/3x + 4 represents the line EF, its slope is -1/3. This means the slope of any line that is parallel to y = -1/3x + 4 will be the same as -1/3.

Therefore, the correct justification is: C. Y = -1/3x + 5 1/3 the slopes are equal.

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Answer:

He needs to sell 157 sandwiches to earn $125

Step-by-step explanation:

●$10.50×6 hrs= $63

●$125 - $63= $62 {So he needs to sell $62 worth of sandwiches}

●$0.40 × 157= $62

pov:《$62 + $63 = $125》

Answer:

155 sandwiches

Step-by-step explanation:

First we see what the base rate is for his six-hour shift. We do this by multiplying 10.50 by 6 which is 63. Then we do 125-63 which is 62. As he gets 42 cents per sandwich so we do 62÷0.40, which equals 155 so he needs to sell 155 sandwiches.

The answer to the word problem is 14 2/3.

A fraction shows part of a whole. This whole can be a region or a collection. The word fraction is derived from the Latin word "fractio" which means 'to break'. fractions are represented as a numerical value, which defines a part of a whole. A fraction can be a portion or section of any quantity out of a whole, where the whole can be any number, a specific value, or a thing.

Expressing the word problem into an expression;

2 3/4 x 5 1/3

= 11/4 x 16/3

= 44/3

= 14 2/3

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Answer:

1300.00%

Step-by-step explanation:

The statement that the mean is most likely to be affected by an outlier, is True.

The mean (average) of a set of data can be significantly affected by outliers, or data points that are much higher or lower than the majority of the data. Outliers can greatly influence the mean, pulling it away from the center of the data and making it less representative of the majority of the data.

This can cause the mean to become skewed and can give a false representation of the typical values in the data set. This is why it's important to consider the presence of outliers when calculating the mean and to use other measures of central tendency, such as the median or mode, to get a better understanding of the distribution of data in a set.

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Manny walked more likely on the circular nature trail.

As a circular path always starts and ends at the same location, we may infer this from the fact that the reference point at the beginning and finish was the same.

Other situations, like going up a slope from the bottom, exclude using the same reference point.

The beginning point and finishing point on a sidewalk or a straight track cannot have the same reference point, in a similar manner.

Therefore we can say that

Hence, Manny walked more likely on the circular nature trail.

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The value of m ∠ H-F-K, given the value of the corresponding and supplementary angles, is 84 degrees

The angles given of 6 ( x + 2 ) degrees and 8 ( x - 2 ) degrees are complementary and add up to 180 degrees.

The value of these angles is:

6 ( x + 2 ) = 8 ( x - 2 )

6x + 12 = 8x - 16

8x  - 6x = 16 + 12

x = 28 / 2

x = 14

The angle is:

= 8 ( 14 - 2 )

= 8 x 12

= 96 degrees

The value of m ∠ H-F-K will be supplementary to m ∠ H-F-K so the value of m ∠ H-F-K is:

=  (360 - 96 - 96 ) / 2

= 84 degrees

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