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Nutka1998 [239]
3 years ago
15

Two cars pass on a straight highway while traveling in opposite directions. One car is traveling 6 miles per hour faster than th

e other car. After 1.5 hours the two cars are 159 miles apart. Find the speed of each car.
Mathematics
1 answer:
andriy [413]3 years ago
5 0
The second car is going 153mph
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Lucy wants to be exempt from her semester exam. In order for that to happen, she has to average an 85 over 3 test grades. Her fi
anastassius [24]

Answer:

<em>Grades to be scored in 3rd exam = 88</em>

Step-by-step explanation:

Given that average of 3 numbers is 85.

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Let the third number = x

Formula for average is:

Average = \dfrac{Sum\ of\ numbers}{Total\ count\ of\ numbers}

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BabaBlast [244]

Hello from MrBillDoesMath!

Answer:    y = 2x - 7

Discussion:

Divide both sides of the equation by 2:

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