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3 years ago

8

John is having a new deck built. He paid $485 for the required materials, and he will pay his brother $25 an hour to build the d

eck

1 answer:

Kobotan [32]3 years ago

8 0

Answer:

The answer is not finished but if John is buying the materials and paying for the labor then the answer will be $510.

Step-by-step explanation:

I’m sorry if I didn’t help but the answer is not written out enough…

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Find an equation that models the path of a satellite if its path is a hyperbola, a = 55,000 km, and c= 81,000 km. Assume the cen

elena-14-01-66 [18.8K]

Answer:

$\frac{x^2}{55000^2} - \frac{y^2}{59464^2} =1$

Step-by-step explanation:

the transverse axis is horizontal.

so its a horizontal hyperbola

Center is the origin so center is (0,0)

Equation of horizontal hyperbola is

$\frac{x^2}{a^2} - \frac{y^2}{b^2} =1$

Given a= 55000 and c= 81000

c^2 = a^2 + b^2

81000^2 = 55000^2 + b^2

subtract 55000^2 on both sides

b = sqrt(81000^2 - 55000^2)= 59464.27

now plug in the values

$\frac{x^2}{55000^2} - \frac{y^2}{59464^2} =1$

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3 years ago

You earn $8 per hour for babysitting plus $0.75 per mile that she has to drive . Write an equation to represent this situation a

Hoochie [10]

Answer:

8x+$0.75x.

Step-by-step explanation:

8x is the hours you babysit and $0.75x the miles you drive.

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3 years ago

Read 2 more answers

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Nonamiya [84]

Answer:

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Step-by-step explanation:

3+5=8

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3 years ago

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Answer:

Option A, (-4, -1)

Hope this helps!

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3 years ago

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Answer:

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Step-by-step explanation:

V = Length x Widht x Height

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