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Natali [406]
3 years ago
6

A trip to another city is 180 miles. In miles per hour to the nearest tenth, how fast does one have to drive to average 60 mph o

n a three-hour trip during which one stops for 10 minutes? (Enter the answer in the form ab.c.)
Mathematics
1 answer:
irakobra [83]3 years ago
7 0

Answer:

63.5

Step-by-step explanation:

If one didn't take a 10 minute break he could drive 60 mph totalling 180 minutes but since he did and 180 - 10 = 170. He/she has to drive 180 miles in 170 min. so we take so we divde 180/170 and multiply by 60. If you round it to the nearest tenth you get 63.5

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gayaneshka [121]

Option C: -3 is the average rate of change between x=-1 and x=1

Explanation:

The formula to determine the average rate of change is given by

Average rate of change = \frac{y_2-y_1}{x_2-x_1}

We need to find the average rate of change between x=-1 and x=1

Thus, from the table, we have,

x_1=-1 , y_1=5

x_2=1 , y_2=-1

Thus, substituting these values in the formula, we get,

Average rate of change = \frac{-1-5}{1+1}

                                        =\frac{-6}{2}

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Thus, the average rate of change between x=-1 and x=1 is -3.

Hence, Option C is the correct answer.

6 0
2 years ago
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Answer:

(plus = +)

<h2>4 + 4 = 8</h2>

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Step-by-step explanation:

<h2>Hope it helps! </h2>
4 0
3 years ago
Name the property used in each equation. Then find the value of n.
Pavlova-9 [17]
The answer is 5 and associative property
4 0
2 years ago
hector and maggie are having a typing test hector typed 25 words in 45 seconds maggie typed 32 words in 65 second who typed at a
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Answer:

Maggie typed at a slower rate.

Step-by-step explanation: Maggie typed slower because 32 words/65 seconds is .49 words per second or half a word per second whereas Hector is 25 words/45 seconds or .55 words per second.

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babunello [35]

Answer:

D  The IQR for town A is less than the IQR for town B

Step-by-step explanation:

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8 0
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