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ratelena [41]
1 year ago
11

Hi I need help with this homework this is not a test

Mathematics
1 answer:
Lelu [443]1 year ago
4 0

To determine the speed, we will divide the total distance covered by the total time spent traveling.

speed=distance\div timespeed=412.5miles\div7.5hrs

<em>Note that 7 1/2 is just equal to 7.5.</em>

<em />

Divide the numbers above and the answer is:

speed=55miles\text{ }per\text{ }hour

Answer:

Ivan was driving at a constant speed of 55 miles per hour.

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X+y=0.5<br> x-y=1<br> elimination meathod
user100 [1]

Answer:

x=0.75, y=-0.25

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