please help!!
A=100e 0.041/12t (it was a little blurred out in the question)​

Answer:

D. 8+3g

Step-by-step explanation:

We know that Megan filled 1 large basket, L, with 8 green apples.

So L = 8.

We also know that she filled 3 small baskets, S, with the same amount of green apples, g.

This would mean that we could multiply the amount of green apples, g, with the amount of small baskets Megan filled to find the amount of apples Megan picked for the small baskets.

This would mean that S = 3*g. Which could be written also be written as  S = 3g.

We want to know how many apples Megan picked overall, so we would add the apples in the large basket and small baskets together to find the total, T.

This would be T = G + S. After plugging in [8] for G and [3g] for S, we would get [8+3g].

Answer: What are all of the Expressions that Represent how Many Apples Megan Picked in All?

Step-by-step explanation:

The expressions that represent how many apples Megan picked in all are:

b.) 8+g+g+g

d.) 8+3g

Expression (a) does not take into account the three small baskets of apples that Megan picked to give to her friends, so it is not correct. Expression (c) multiplies the number of apples in the first basket by the number of baskets Megan picked, but it does not take into account the number of apples in the other three baskets, so it is not correct.

Therefore, the correct expressions are (b) and (d), which count the apples in the large basket and the three small baskets.

{I Hope This Helps! :)}

Answer: 4.80

Step-by-step explanation:

The tangential component is 4t/(3 + 12t^2)(1 - t^2)i + 8t^2/(3 + 12t^2)j and the normal component is (-12t)/(3 + 12t^2)(1 - t^2)i + [24(3 + 4t^2)]/(3 + 12t^2)j.

We can start by finding the velocity and acceleration vectors:

r(t) = 2(3t - t^3)i + 6t^2j

v(t) = dr/dt = 6(1 - t^2)i + 12tj

a(t) = dv/dt = -12ti + 24j

To find the tangential and normal components of the acceleration vector, we need to project it onto the velocity vector. Let's call the tangential component aT and the normal component aN. Then:

aT = projv a = (a ⋅ v/|v|^2)v = [(0)(6(1 - t^2)) + (24)(12t)]/[(6(1 - t^2))^2 + (12t)^2](6(1 - t^2)i + 12tj)

aT = (24t)/(36 + 144t^2)(6(1 - t^2)i + 12tj)

aT = 4t/(3 + 12t^2)(1 - t^2)i + 8t^2/(3 + 12t^2)j

To find the normal component, we subtract the tangential component from the acceleration vector:

aN = a - aT

aN = (-12t)i + 24j - [4t/(3 + 12t^2)(6(1 - t^2)i + 12tj)]

aN = (-12t)/(3 + 12t^2)(1 - t^2)i + [24(3 + 4t^2)]/(3 + 12t^2)j

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Answer:

Step-by-step explanation:

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The length of side AC is approximately 2.87 units when rounded to the nearest hundredth.

In a right triangle ABC, where angle ACB is a right angle and angle ABC is 35 degrees, we are given that side AB has a length of 5 units. We need to find the length of side AC.

To find the length of side AC, we can use trigonometric ratios. In this case, we can use the sine function.

The sine of angle ABC is defined as the ratio of the length of the side opposite the angle (AC) to the length of the hypotenuse (AB).

sin(35°) = AC / 5

To find the length of AC, we can rearrange the equation:

AC = 5 * sin(35°)

Using a calculator to find the sine of 35 degrees, we get:

AC ≈ 5 * 0.5736 ≈ 2.868

Therefore, the length of side AC is approximately 2.87 units when rounded to the nearest hundredth.

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Answer:

85.5

Step-by-step explanation:

85 • 9 is 765

If you add 90 to 765 and then divide the sum by 10, you get 85.5.

Answer:

(a) The average rate of change of f on the interval [-3,4] is given by:

(1/(4-(-3))) * ∫[a,b] f(x) dx

where a = -3 and b = 4. We can break up the integral into two parts, one over the interval [-3,0] and the other over the interval (0,4]:

(1/7) * [∫[-3,0] √(9-x²) dx + ∫[0,4] (-x+3cos(πx/2)) dx]

For the first integral, we recognize that the integrand is the equation of the top half of a circle with radius 3 centered at the origin. Therefore, we can use the substitution x = 3sin(t), dx = 3cos(t)dt, to get:

∫[-3,0] √(9-x²) dx = ∫[-π/2,0] 9cos²(t) dt = (9/2) * [sin(t)cos(t) + t]_[-π/2,0] = (9π - 81)/4

For the second integral, we can use integration by parts with u = -x and dv = cos(πx/2) dx to get:

∫[0,4] (-x+3cos(πx/2)) dx = [-x²/2 + (6/π)sin(πx/2)]_0^4 = -8

Therefore, the average rate of change of f on the interval [-3,4] is:

(1/7) * [(9π - 81)/4 - 8] = (9π - 145)/28

(b) To find the equation of the tangent line to the graph of f at x = 3, we need to find the slope of the tangent. Since f is not differentiable at x = 0 (due to the cosine term), we need to consider the left and right derivatives separately.

For x < 0, the function is the equation of the top half of a circle with radius 3 centered at the origin, so the slope of the tangent at x = 3 is:

f'(3-) = -√(9-3²)/(3-0) = -√6

For x > 0, we have:

f'(x) = -1 - (3π/4)sin(πx/2)

So the slope of the tangent at x = 3 is:

f'(3+) = -1 - (3π/4)sin(3π/2) = -1 + (3π/4)

The equation of the tangent line is therefore:

y - f(3) = f'(3)(x-3)

y + √(9-3²) = (-√6)(x-3) (for x < 0)

y - 6 + 3cos(π/2) = [(-1 + (3π/4))(x-3)] (for x > 0)

(c) The average value of f on the interval [-3,4] is given by:

(1/(4-(-3))) * ∫[-3,4] f(x) dx

Using the same breakdown of the integral as in part (a), we have:

(1/7) * [∫[-3,0] √(9-x²) dx + ∫[0,4] (-x+3cos(πx/2)) dx]

The first integral was evaluated in part (a

Step-by-step explanation:

The surface area of the cylinder is 32π units²

What is surface area of cylinder?

A cylinder is a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance. The base of a cylinder is circular and it's volume is given by ; V = πr²h

The surface area of a cylinder is expressed as;

SA = 2πr( r+h)

where r is the radius and h is the height.

radius = 2 units

height = 6 units

SA = 2×2 π( 2+6)

SA = 4π × 8

SA = 32π units²

Therefore the surface area of the cylinder in term of pi is 32π units².

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To calculate the inductance L in the circuit, we can use the formula for the maximum current in an inductive circuit:

Imax = ΔVmax / (ωL)

where Imax is the maximum current, ΔVmax is the maximum voltage, ω is the angular frequency, and L is the inductance.

The inductance L is 0.15625 H (or 156.25 mH).

Given that Imax = 8.00 A, ΔVmax = 100 V, and ω = 80.0 Hz, we can rearrange the formula to solve for L:

L = ΔVmax / (Imax * ω)

Substituting the given values:

L = 100 V / (8.00 A * 80.0 Hz)

L = 0.15625 H (or 156.25 mH)

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The two numbers are -15 and -7.

We have,

To solve this problem, we need to find two numbers that multiply to 105 and add up to -22.

We can start by listing the factors of 105: 1, 3, 5, 7, 15, 21, 35, and 105.

Then, we can try adding pairs of factors to see if we get -22.

We have the system of equations:

xy = 105

x + y = -22

We can solve for one variable in terms of the other using the second equation:

y = -22 - x

Then, we can substitute this into the first equation:

x(-22 - x) = 105

Expanding and rearranging, we get:

x² + 22x + 105 = 0

Now, we can use the quadratic formula to solve for x:

x = (-22 ± √(22² - 4(1)(105))) / 2

x = (-22 ± 4) / 2

x = -15 or x = -7

Thus,

The two numbers are -15 and -7.

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No, it is not possible to draw more than one triangle with side lengths of 5 inches and 7 inches and an included angle with a measure of 50 degrees.

In a triangle, the measure of an included angle between two sides determines the length of the third side. In this case, we have fixed side lengths of 5 inches and 7 inches, and an included angle of 50 degrees.

According to the Law of Sines, the ratio of the length of a side to the sine of its opposite angle is constant in a triangle. Using this law, we can calculate the length of the third side.

Let's denote the unknown side length as "x". Using the Law of Sines:

sin(50°) / 5 = sin(opposite angle) / x

We can solve this equation to find the value of x. However, it's important to note that there will be only one solution for x. This means that there is only one possible triangle that can be formed with the given side lengths and included angle measure.

No,it is not possible to draw more than one triangle with the given specifications.

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Therefore, the probability that the mean of a sample of 55 families will be between 17 and 18 pounds is approximately 0.9251.

To apply the central limit theorem, we need to check if the sample size is sufficiently large. According to the theorem, if the sample size is greater than or equal to 30, the distribution of sample means will be approximately normal, regardless of the shape of the population distribution.

In this case, the sample size is 55, which is greater than 30, so we can assume that the distribution of sample means will be approximately normal.

Now, we can find the z-scores for the given values of the sample mean:

z1 = (17 - 17.2) / (2.5 / sqrt(55)) = -1.87

z2 = (18 - 17.2) / (2.5 / sqrt(55)) = 1.87

Using a standard normal distribution table or calculator, we can find that the probability of a z-score being between -1.87 and 1.87 is approximately 0.9251.

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The amount of money that Little Squeezer will pay Tony if he delivers 11 pizzas would be =$81

From the table given, without the delivery of pizza, the salary of Tony = $48

For every additional two pizza, $6 is being added. That is;

2 pizzas = $54

4 pizzas = 54+6 = $60

Therefore for every 1 pizza is = $3 to his salary.

That is, 11 pizzas = 78+3 = $81

Therefore,the amount of money that Little Squeezer will pay Tony when a total of 11 pizzas are delivered would be = $81.

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Answer: y = 2(x + 2)² - 5

Step-by-step explanation:

          We are going to use the completing the square method to transform this quadratic equation from standard form to vertex form.

Given:

     y = 2x² + 8x + 3

Factor the 2 out of the first two terms:

     y = 2(x² + 4x) + 3

Add and subtract [tex]\frac{b}{2} ^2[/tex]:

     y = 2(x² + 4x + 4 - 4) + 3

Distribute the 2 into -4 and combine with the 3:

     y = 2(x² + 4x + 4) - 5

Factor (x² + 4x + 4):

     y = 2(x + 2)² - 5

Answer: The circumference of a circle is given by the formula:

C = πd

where d is the diameter of the circle. In this case, the diameter of the wheels is 28 inches, so the circumference of each wheel is:

C = π(28) = 28π inches

To find how many revolutions the wheels need to make to travel 200 feet, we need to convert 200 feet to inches, and then divide by the circumference of each wheel. There are 12 inches in 1 foot, so 200 feet is equal to:

200 feet × 12 inches/foot = 2400 inches

Dividing 2400 inches by the circumference of each wheel, we get:

2400 inches ÷ (28π inches/revolution) ≈ 85.3 revolutions

Therefore, the car's wheels need to make approximately 85.3 full revolutions to travel 200 feet. Since the question asks for the number of full revolutions, we can round down to the nearest whole number to get:

Answer: D. 88 revolutions.

The distance covered by Ahab 100 km.

Given that Ahab drove 46 miles we need to calculate his distance in Km.

So, since 1 km = 0.46 miles

1 mile = 100/46

Therefore,

46 miles = 100/46 x 46

46 miles = 100 km

Hence the distance covered by Ahab 100 km.

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Answer:

1 6.89+t=8

Step-by-step explanation:

Because she left 6.89 to pay for her food and a tip. So whatever the tip was plus the 6.89 she owed equaled $8.

Because the two angles are complementary, the value of x must be 11.5

In the image we can see that the two given angles are complementary, which means that their measures add up to 90°, then we can write:

(7x - 5)° + (x + 3)° = 90°

Now we can solve that linear equation to find the value of x, we iwll get:

7x + x - 5 + 3 = 90

8x - 2 = 90

8x = 92

x = 92/8

x = 11.5

That is the value of x.

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Step-by-step explanation:

Use the equation, A = p(1+ r/n)^Tn

n = 12 because it's monthly

T = 20

P = 25,000

r = .01

plug it all in and that question A i think

The area of the sector created by a central angle of 60° in a circle with a diameter of 6 inches is approximately 4.7124 square inches.

To find the area of a sector of a circle, we need to know the central angle and the radius of the circle. In this case, we are given the central angle of 60° and the diameter of the circle, which we can use to find the radius.

The diameter is given as 6 inches, so the radius is half of that, which is 3 inches.

To calculate the area of the sector, we can use the formula:

Area of Sector = (θ/360°) * π * r²

where θ is the central angle in degrees, π is a mathematical constant approximately equal to 3.14159, and r is the radius.

Plugging in the values:

Area of Sector = (60°/360°) * π * (3)²

Area of Sector = (1/6) * 3.14159 * 9

Area of Sector ≈ 4.7124 square inches

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The mean weight of a randomly chosen vehicle can be calculated by taking the average of the minimum and maximum weights:

Mean = (2,180 + 4,449) / 2 = 3,314.5 pounds

The standard deviation of a uniformly distributed random variable can be calculated using the following formula:

Standard Deviation = (Max - Min) / √12

Standard Deviation = (4,449 - 2,180) / √12 ≈ 652.48 pounds

To find the probability that a vehicle will weigh less than 2,389 pounds, we need to calculate the proportion of the total range that falls below 2,389 pounds:

Probability = (2,389 - 2,180) / (4,449 - 2,180) ≈ 0.317

To find the probability that a vehicle will weigh more than 3,672 pounds, we need to calculate the proportion of the total range that exceeds 3,672 pounds:

Probability = (4,449 - 3,672) / (4,449 - 2,180) ≈ 0.361

To find the probability that a vehicle will weigh between 2,389 and 3,672 pounds, we need to calculate the proportion of the total range that falls within this interval:

Probability = (3,672 - 2,389) / (4,449 - 2,180) ≈ 0.322

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Answer:

16y^2-13y+6

Step-by-step explanation:

(2y-3)(3y-2)

you have to expand the brackets

to do this you have to times each expression by the other bracket

2y×3y=6y^2

2y×-2=-4y

-3×3y=-9y

-3×-2=6

if you put these together u get:

6y^2-4y-9y+6

because there are two pairs containing y we can simplify this

-4y-9y=-13y

so the answer is

6y^2-13y+6

[tex]6y^{2}-13y+6[/tex]

[tex](2y-3)(3y-2)=\\2y(3y-2)-3(3y-2)[/tex]

[tex]6y^{2}-4y-3(3y-2)\\6y^{2} -4y-9y+6[/tex]

[tex]6y^{2} -4y-9y+6=\\6y^{2}-13y+6[/tex]

So the answer  [tex](2y-3)(3y-2)[/tex] is [tex]6y^{2}-13y+6[/tex]

I hope this helped, if it displeased tell me what I did wrong so I can possibly fix it ૮ ˶ᵔ ᵕ ᵔ˶ ა

By use the similar slope triangles, the slope of segment AD, segment DF, and the line of m are all equal.

In Mathematics and Geometry, two (2) triangles are said to be similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.

Additionally, the lengths of corresponding sides or corresponding side lengths are proportional to the lengths of corresponding altitudes when two (2) triangles are similar and the slopes of side JL and side MP are equal;

Slope of segment AD = AB/BD

Slope of segment DF = DE/EF

Slope of line m = DE/EF = AB/BD

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Answer:

To find the inverse function of f(x) = 4x + 12, we follow these steps:Replace f(x) with y: y = 4x + 12.Swap the variables x and y: x = 4y + 12.Solve for y in terms of x: y = (x - 12) / 4.Therefore, the inverse function of f(x) is f^-1(x) = (x - 12) / 4.Now, we can verify that f(f^-1(x)) = x and f^-1(f(x)) = x as follows:f(f^-1(x)) = f((x - 12) / 4) [substitute f^-1(x) into f(x)]

= 4((x - 12) / 4) + 12 [substitute (x - 12) / 4 into 4x + 12]

= x [simplify]Therefore, f(f^-1(x)) = x.f^-1(f(x)) = ((4x + 12) - 12) / 4 [substitute f(x) into f^-1(x)]

= x / 4 [simplify]Therefore, f^-1(f(x)) = x/4.Since f(f^-1(x)) = x and f^-1(f(x)) = x/4, we have verified that the inverse function of f(x) satisfies the conditions of an inverse function.

Step-by-step explanation:

The speed of the cyclist in still air is 13 mph

Let the speed of the cyclist in still air be x mph

when she rides with the wind her speed = (x + 3) mph

when she rides against the wind her speed = (x - 3) mph.

Mathematically we can represent the problem as:

16 / (x + 3) = 10 / (x - 3)

cross multiplying and simplifying

16 (x - 3) = 10 (x + 3)

16x - 48 = 10x + 30

6x = 78

x = 13

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The probability that the next puck Dave grabs will be green is 1/6 or approximately 0.167.

To determine the probability of Dave grabbing a green puck on the next grab, we need to calculate the probability based on the given data.

Given:

Number of red pucks = 4

Number of orange pucks = 3

Number of yellow pucks = 1

Number of pink pucks = 2

Number of green pucks = 2

Total number of pucks = 4 + 3 + 1 + 2 + 2 = 12 pucks

The probability of grabbing a green puck can be calculated as:

Probability = Number of green pucks / Total number of pucks

Probability = 2 green pucks / 12 pucks

Probability = 1/6

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Answer:

Step-by-step explanation:

See image

To estimate the required sample size for a pharmaceutical company developing a new drug, we need to consider the proportion of effectiveness, desired margin of error, and confidence interval. Therefore, approximately 1846 patients should be included in the sample to achieve the desired margin of error for a 98% confidence interval.

To estimate the proportion better, the pharmaceutical company needs to increase their sample size until the margin of error is less than 0.005 for a 98% confidence interval. The margin of error is the amount of error that is allowed in a study and is determined by the sample size. The larger the sample size, the smaller the margin of error.
To calculate the sample size, we can use a formula that includes the level of confidence, margin of error, and the estimated proportion. Since the drug was found to be 80% effective, we can use this as our estimated proportion.
The formula to calculate the sample size is:
n = (Z^2 * p * q) / E^2
where n is the sample size, Z is the z-score corresponding to the desired level of confidence (2.33 for 98% confidence interval), p is the estimated proportion (0.8), q is 1-p (0.2), and E is the desired margin of error (0.005).
Plugging in the values, we get:
n = (2.33^2 * 0.8 * 0.2) / 0.005^2
n = 23474.4
Rounding up to the nearest whole number, the pharmaceutical company should sample at least 23475 patients to achieve a margin of error less than 0.005 for a 98% confidence interval.
To estimate the required sample size for a pharmaceutical company developing a new drug, we need to consider the proportion of effectiveness, desired margin of error, and confidence interval. In this case, the drug is 80% effective, and the company wants a margin of error less than 0.005 for a 98% confidence interval.
To calculate the sample size, we use the formula for sample size estimation in proportion:
n = (Z^2 * p * (1-p)) / E^2
where n is the sample size, Z is the Z-score corresponding to the desired confidence interval, p is the proportion of effectiveness (0.8 in this case), and E is the desired margin of error (0.005).
For a 98% confidence interval, the Z-score is approximately 2.33. Plugging the values into the formula:
n = (2.33^2 * 0.8 * (1-0.8)) / 0.005^2
n ≈ 1846
Therefore, approximately 1846 patients should be included in the sample to achieve the desired margin of error for a 98% confidence interval.

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