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3 years ago

14

Your car gets 30 miles per gallon of gasoline. if you drive your car at 45 miles per hour, how much gasoline do you use in an ho

ur?

1 answer:

Xelga [282]3 years ago

8 0

Answer:

1.5

Step-by-step explanation:

45 divided by 30 = 1.5

Hope this helps

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Answer:

A

Step-by-step explanation:

we should first find the value of x.

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If 2x + 5y = 21 and x + y = 3, then what is the solution

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2x+5y=21, x+y=3
y=3-x
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2 years ago

Write the equation of the line with a slope of 1/4 that passes through the point (8, -3).

pantera1 [17]

Answer:

-7

Step-by-step explanation:

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3 years ago

Given: JK tangent, KH=16, HE=12 Find: JK.

Y_Kistochka [10]

Answer: $JK=8$

Step-by-step explanation:

You can observe in the figure that JK is a tangent and KH is a secant and both intersect at the point K. Then, according to the Intersecting secant-tangent Theorem:

$JK^2=KE*KH$

You know that:

$KH=KE+HE$

Then KE is:

$KE=KH-HE$

$KE=16-12$

$KE=4$

Now you can substitute the value of KE and the value of KH into $JK^2=KE*KH$ and solve for JK. Then the result is:

$JK^2=4*16\\JK^2=64\\JK=\sqrt{64}\\JK=8$

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3 years ago