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Artyom0805 [142]

3 years ago

15

Mels family is driving out of state to go to her grandmothers house. They know that it takes 20 gallons of gas to get there, and

the cost of 3 gallons of gasoline is $10.50. How much should the family budget to make the one way trip

1 answer:

Georgia [21]3 years ago

5 0

The answer to your question is $45.15

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Assume that a varies directly as b. What is the constant of proportionality if a = 8 when b = 2?

Lena [83]

Answer:

k = 4

Step-by-step explanation:

Given that a varies directly as b then the equation relating them is

a = kb ← k is the constant of variation

To find k use the condition a = 8 when b = 2

k = $\frac{a}{b}$ = $\frac{8}{2}$ = 4

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Given h(x) = 5x + 2, solve for 2 when h(x) = -8.

san4es73 [151]

Answer:

$\huge\boxed{\sf x = -2}$

Step-by-step explanation:

$\sf h(x) = 5x+2\\\\Put \ h(x) = -8\\\\-8 = 5x+2\\\\Subtract \ 2 \ to \ both \ sides\\\\-8-2 = 5x\\\\-10 = 5x\\\\Divide\ both \ sides \ by \ 5\\\\-10 / 5 = x \\\\x = -2 \\\\\rule[225]{225}{2}$

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<h3>~AH1807</h3>

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There are 7 coins that look identical.One of the seven coins weighs slightly less than the other 6. Using a balance scale, how c

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