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Vika [28.1K]
3 years ago
10

You ride through some wet paint on your bike, creating a red spot on the tire. Write a cosine equation to model the height of th

e red spot over the distance you ride. • Your bike tire has a radius (r) of 12 inches. • The period is the circumference of the tire (2pi r). Start the cycle when the spot is at the top of the tire.
(answer choices in picture)​

Mathematics
1 answer:
yulyashka [42]3 years ago
5 0

Answer:

it is in fact b :)

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alex41 [277]

Youssef lives 15 blocks away from his work

<em><u>Solution:</u></em>

Given that Youssef can either way from his home to his workplace or ride his bicycle

Let "x" be number of blocks away from work Youssef works

<u><em>Case 1: walking</em></u>

He walks at a pace of 1 block per min

Therefore,

1 block = 1 minute

Thus to cross "x" blocks he takes "x" minutes

<em><u>Case 2: Bicycle</u></em>

He can travel 1 block in 20 sec on his bicycle

We know that,

To convert seconds to minute, divide the time value by 60

\rightarrow 20 seconds = \frac{20}{60} minutes = \frac{1}{3} minutes

Thus he takes 1/3 minutes for 1 block

So to cross "x" blocks he will take \frac{x}{3} minutes

Given that it takes youssef 10 min longer to walk to work than to ride his bike

This means difference between time taken to cross "x" blocks by walking and ride by bicycle is 10 minutes

\rightarrow x - \frac{x}{3} = 10\\\\\rightarrow \frac{3x - x}{3} = 10\\\\\rightarrow \frac{2x}{3} = 10\\\\\rightarrow x = \frac{30}{2}\\\\\rightarrow x = 15

Thus he lives 15 blocks away from his work

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3 years ago
In the following image, AB is parallel to DC, and BC is a transversal intersecting both parallel lines.
professor190 [17]
Yea sir thanks buddy thanks again
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Given the function f(x)=|x|,describe the transformation lys to f(x)=|x-2|+5
earnstyle [38]
C is the correct answer
Since it says x-2 which is a horizontal translation and everything horizontal says you say the other way around. So left to you go right 2

Hope that helps 
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Answer:

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