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4 years ago

My daugher is trying to Solve -7.8x=-1.56

Mathematics

1 answer:

Hunter-Best [27]4 years ago

8 0

You would just have to isolate for x
so it would simply become
-1.56/-7.8
= 0.2

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What is the sum of 6 and 7/8+ 4 and 5/8

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so explanation
6 and 7/8+4 and 5/8=6+7/8+4+5/8=6+4+7/8+5/8=10+(7+5)/8=10+12/8=10+1+4/8=11+4/8=11+1/2

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snow_lady [41]

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Step-by-step explanation:

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3 years ago

A daycare center charges $300 per month for preschool and $3.50 per hour every hour after preschool. The function c = 300 + 3.50

Tcecarenko [31]

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The total number of hours the child spent in childcare after preschool was 96.5.

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The cost of the preschool, in function of the number of hours that the child spent there, is given by the following equation:

$c(h) = 300 + 3.5h$

If the one month charges for one child totaly $637.75, what was the total number of hours the child spent in childcare after preschool?

This is h when c(h) = 637.75. So

$c(h) = 300 + 3.5h$

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$3.5h = 337.75$

$h = \frac{337.75}{3.5}$

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4 years ago