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3 years ago

9

You are a contractor and charge $45 for a site visit plus an additional $24 per hour for each hour you spend working at the site

.Write and solve an equation to determine how many total hours you have to work

1 answer:

o-na [289]3 years ago

5 0

So lemme ...
45+(24x)=h

I feel this is the best I can do with the given information ... hope this helps

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The answer is (-7.5, -7.5)

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3 years ago

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Oksana_A [137]

Answer:

The y-value of the vertex is $-12$

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

$f(x)=a(x-h)^{2}+k$

where

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In this problem we have

$f(x)=4x^{2}+8x-8$ -----> this a vertical parabola open upward

Convert to vertex form

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$f(x)+8=4x^{2}+8x$

Factor the leading coefficient

$f(x)+8=4(x^{2}+2x)$

Complete the square. Remember to balance the equation by adding the same constants to each side

$f(x)+8+4=4(x^{2}+2x+1)$

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Rewrite as perfect squares

$f(x)+12=4(x+1)^{2}$

$f(x)=4(x+1)^{2}-12$

The vertex is the point $(-1,-12)$

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5 0

3 years ago

Read 2 more answers

Find the solution to this equation 2(x + 12) - 2x = 3(x - 2)

Wewaii [24]

Answer:

it equals x=10 so i guess it's B

Step-by-step explanation:

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Start by making the denominators equal.

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Ahat [919]

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3 years ago