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kkurt [141]
3 years ago
5

carmen hiked at Yosemite National Park for 2.75 hours. Her average speed was 3.1 miles per hour. How many miles did she hike

Mathematics
1 answer:
SVEN [57.7K]3 years ago
5 0

Answer: 8.525 miles

Step-by-step explanation:

I got this by multiplying 3.1 by 2.75

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The decimal expansion of 141/120 will terminate after how many places of decimals
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What is the x-and y-intercept of the graph 4x -5y =40??
umka21 [38]

Answer:

x-intercept = 10

y-intercept = -8

Step-by-step explanation:

4x-5y=40

To identify the y-intercept, we will need to format the equation in the form y=mx+b. We can start by subtracting 4x from both sides of the equation:

-5y=-4x+40

Divide both sides of the equation by the coefficient of y, which is -5:

y=\frac{-4}{-5} x - 8

The b is representative of the y-intercept in y=mx+b.

Identify b in the equation y=\frac{-4}{-5} x - 8:

b=-8

Therefore, our y-intercept is -8.

To solve for the x-intercept, replace the y in the equation y=\frac{-4}{-5} x - 8 with a zero:

0=\frac{-4}{-5} x - 8

Add 8 to both sides of the equation:

8=\frac{-4}{-5} x

You can go ahead and divide -4 by -5 to get rid of the fraction:

8=0.8x

Divide both sides of the equation by the coefficient of x, which is 0.8:

10=x

Therefore, our x-intercept is 10.

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3 years ago
Please help! answer each column (question in picture) for brainliest
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Answer:

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Step-by-step explanation:

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What is 3,920,000,000,000 in scientific notation? 3.92×1010 3.92×1012 3.92×10−10 3.92×10−12
kumpel [21]

Writing in scientific notation is writing in power form.

Writing in power form is usually in the form:

X.y × 10ⁿ

We now write 3 920 000 000 000 in this form.

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Answer :

3.92 × 10¹²

This is the scientific notation.

Hope I helped :)

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3 years ago
A cylinder with a height of 4 m has a volume of approximately
tigry1 [53]

Answer:

18m

Step-by-step explanation:

113.04m/3.14 = 36m/4m = 9m*2 = 18m

7 0
3 years ago
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