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4 years ago

Mark rode his bicycle for 2 hours at 20 miles/hour to get from place A to place B. What is the distance between the two places

Mathematics

2 answers:

LenaWriter [7]4 years ago

7 0

20 x 2 would be 40 miles apart

liraira [26]4 years ago

6 0

Answer:

the distance between Place A and Place B is 40 miles

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Based on the question we can see that the distance from place A to place B takes Mark 2 hours. If Mark is going at a speed of 20 miles per hour, then the distance would be equal to speed times time. This would be expressed in the following way.

Distance = speed x time

$Distance = 20mp/h * 2hours$

$Distance = 40 miles$

Therefore, the distance between Place A and Place B is 40 miles

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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scoray [572]

Answer:

The corresponding point is (1,-4)

Step-by-step explanation:

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The point (1,-8) is on the graph of f(x)

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3 years ago

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3 years ago

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Naddika [18.5K]

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3 years ago

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To find mean, average the numbers in the data set by adding them together and dividing by the number of values.

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3 years ago

Read 2 more answers

A rectangular box has a base that is 4 times as long as it is wide. The sum of the height and the girth of the box is 200 feet.

enyata [817]

Answer: V(W) = (1/3)*(*W^2*800ft - 8W^3) and the domain is 0 < W < 100ft.

Step-by-step explanation:

The dimensions of the box are:

L = length

W = width

H = heigth.

We know that:

L = 4*W

And the girth of a box is equal to: G = 2*W + 2*H

then we have:

2*W + 2*H + H = 200ft

2W + 3*H = 200ft

Then we have two equations:

L = 4*W

2W + 3*H = 200ft

We want to find the volume of the box, which is V = W*L*H

and we want in on terms of W.

Then, first we can replace L by 4*W (for the first equation)

and:

2*W + 3*H = 200ft

3*H = 200ft - 2*W

H = (200ft - 2*W)/3.

then the volume is:

V(W) = W*(4*W)*(200ft - 2*W)/3

V(W) = (1/3)*(*W^2*800ft - 8W^3)

The domain of this is the set of W such that the volume is positive, then we must have that:

W^2*800ft > 8W^3

To find the maximum W we can see the equality (the minimum extreme is 0 < W, because the width can only be a positive number)

W^2*800ft = 8W^3

800ft = 8*W

100ft = W.

This means that if W is equal or larger than 100ft, the equation gives a negative volume.

Then the domain is 0 < W < 100ft.

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3 years ago