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3 years ago

Jane drove 355 miles using 17 gallons of gas. At this rate, how many gallons of gas would she need to drive 284 miles?

Mathematics

1 answer:

Vlad [161]3 years ago

6 0

I think it is 14 if my calculations are correct.

Hope it helps

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You are making a walkway around part of a swimming pool. The dimensions of the swimming pool are 18 and 25, while the dimensions

vredina [299]

Answer:

$A = 4x^2 + 86x + 450$

Step-by-step explanation:

Given

$Walkway = x$

$Length = 18$

$Width = 25$

Required:

The area of the swimming pool

Assume the walkway will be on the 4 sides of the swimming pool.

The total length (L) of the swimming pool will be:

$L = 18 + x + x$

$L = 18 + 2x$

The total width (W) will be:

$W = 25 + x + x$

$W = 25 + 2x$

The area (A) is:

$A = L * W$

$A = (18 + 2x) * (25 + 2x)$

Expand bracket

$A = 18 * 25 + 18 * 2x + 25 * 2x + 2x * 2x$

$A = 450 + 36x + 50x + 4x^2$

$A = 450 + 86x + 4x^2$

Reorder

$A = 4x^2 + 86x + 450$

8 0

2 years ago

Help me find the angles B and C thanks

bezimeni [28]

Answer:

the value of x is 88

Step-by-step explanation:

plz see and check

5 0

2 years ago

Translate the following into an algebraic expression:

Nata [24]

For this case, the first thing we must do is define variables.

We have then:

x: number of minutes

y: total cost

We write the algebraic expression that models the problem.

We have then:

$y = 10 * (\frac{20}{60}) x$

Simplifying we have:

$y = (\frac{10}{3}) x$

Then, by the time the cost is equal to $ 300 we have:

$300 = (\frac{10}{3}) x$

From here, we clear the value of x.

Answer:

an algebraic expression for the problem is:

$300 = (\frac{10}{3}) x$

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2 years ago

Simplify the following expression: (−3)(−2)( −2)

Art [367]

-3*-2*-2=6*-2=-12 because negative multiplied by negative is positive

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3 years ago

What is the value of X when y=1

user100 [1]

Answer:

Step-by-step explanation:

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2 years ago