3 years ago

If 3500 miles are traveled at a rate of 175 miles per hour, what is the time in hours? (hint: Distance = Rate * Time)

Mathematics

1 answer:

laiz [17]3 years ago

4 0

3500 miles divided by 175 Miles Per Hour. 3500/175=20 Hours.

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PLEASE HELP AND SHOW WORK!!

aivan3 [116]

> multiply the second equation by 2 and add it to the first equation.
2(-6x - 7y = -10)
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8x + 14y = 4
-12x - 14y = -20
--------------------
- 4x + 0 = - 16
x = -16/-4
x = 4

> use x = 4 in either equation to find y
8(4) + 14y = 4
32 + 14y = 4
14y = 4 - 32
14y = -28
y = -28/14
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2 years ago

Read 2 more answers

Find the perimeter of rectangle PQRS with vertices P(0,0), Q(0,7), R(12,7) & S (12,0)

romanna [79]

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See the attachment for diagram