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Lynna [10]
3 years ago
15

A bicyclist rides down a hill and her speed is increasing. Then she rides up a hill and her speed is decreasing. She stops to re

st for a while on top of this hill. Which graph could represent her velocity for this whole period of time?
Mathematics
2 answers:
luda_lava [24]3 years ago
4 0

Answer:

In order to find the answer you would need to explain the graphs.

Step-by-step explanation:

Aleks [24]3 years ago
3 0

Answer:

The graph that goes up and then down and stays at the bottom of the graph

Step-by-step explanation:

this is because her velocity would increase when she goes down the hill and would go down when she is going up the hill, when she rests she wouldn't have any velocity thus it being at the bottom of the graph.

I just had this question and there was no answer on this site so i thought i should add one. when it didn't have an answer i actually read the problem and realized i knew the answer lol.

Hope this helps!

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Answer:

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Alexxandr [17]

Answer:

7x=−x+24 7 x = − x + 24  

Step-by-step explanation:

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2 years ago
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Omar works as a tutor for $15 an hour and as a waiter for $7 an hour. This month, he worked a combined total of 83 hours at his
Alborosie

Answer: 8t+581

Step-by-step explanation:

<h3> The complete exercise is: "Omar works as a tutor for $15 an hour and as a waiter for $7 an hour. This month, he worked a combined total of 83 hours at his two jobs. Let "t" be the number of hours Omar worked as a tutor this month. Write an expression for the combined total dollar amount he earned this month."</h3><h3 />

Let be "t" the number of hours Omar worked as a tutor this month and "w" the number of hours Omar worked as a waiter this month.

Based on the data given in the exercise, you know that Omar worked a combined total of 83 hours this month.

Then, you can represent the number of hours he worked as a waiter this month with this equation:

w=83-t

Since he earns  $15 per hour working has a tutor and $7 per hour working as a waiter, you can write the following expresion to represent the total money earned:

15t+7w

Since w=83-t, you can substitute it into the expression and then simplify it in order to find the final expression that represents the total amount of money Omar earned this month.

This is:

15t+7(83-t)=15t+581-7t=8t+581

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How far will a jet travel in 2 hours and 30 minutes if its average speed is 450 miles per hour?
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Answer:

Step-by-step explanation:

Remember simple multiplication?  Write the problem with 17 at the bottom:

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-------

  1 3 6

So, 8*17 is the same as 8*10 + 8*7.

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