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Arlecino [84]
2 years ago
11

A pipe extends from sea level to a location under the sea. Four-fifths of the way down the pipe, there is a leak. The leak's ele

vation is −3.6 meters. What is the elevation of the end of the pipe that is under the sea? Enter your answer as a decimal or as a mixed number in simplest form in the box.
Mathematics
1 answer:
allochka39001 [22]2 years ago
3 0

Answer:

Step-by-step explanation:

4/5  is equivalent to -3.6 m

So 1 ( 5/5) is equivalent to -3.6 / 4/5 * 5/5

= -3.6 / 0.8 * 1

= -4.5 m.

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Svet_ta [14]

Answer:21

Step-by-step explanation:

8 0
2 years ago
Urgent math help needed will mark brainliest
iren [92.7K]

Remark

Many calculators have a key that will do this in one step. Mine is one of them. So let's start with the answer and then we'll do it the long way.

9C3 = 84. You put it into your calculator as 9   2nF   nCr 3 =

Solution

\dfrac{9!}{(n - 3)!3!} = \dfrac{9*8*7*6!}{6!*3!}=\dfrac{9*8*7}{6}

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3 0
3 years ago
10 + 6x + 2x - 7 = 35<br> Help me pls and ty
lutik1710 [3]

Answer:

<h2><em><u>x = 4</u></em></h2>

Explanation:

10 + 6x + 2x - 7 = 35

  • Add Similar Elements: 6x + 2x = 8x

10 + 8x - 7 = 35

  • Group Like Terms

8x + 10 - 7 = 35

  • Subtract: 10 - 7 = 3

8x + 3 = 35

  • Subtract 3 From Both Sides

8x + 3 - 3 = 35 - 3

  • Simplify

8x = 32

  • Divide Both Sides By 8

8x / 8 = 32 / 8

<h2><u><em>x = 4</em></u></h2>
6 0
2 years ago
Read 2 more answers
What is the square root of x if x = 25?
scoundrel [369]

Answer:

5 is your answer

Step-by-step explanation:

The \sqrt{25} will equal to 5, because 5^2 = 25

7 0
2 years ago
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Use the table for 19-23. write each ratio in the form a/b and then as a decimal. Tell whether each decimal is a terminating or r
stellarik [79]
All you are basically doing is making ratios.
Basketball to football would be 5 to 11 or 5:11 or 5/11.
What you do is in the order you said it (basketball to football) you find that info and make it a ratio. A ratio must be simplified and can be written 3 ways, as shown above.

Hockey to lacrosse would be 6 to 10 and simplified would be 3 to 5.

Try doing 3 and 4 and 5 on your own to help you understand it more:) if you have any questions tell me.
4 0
2 years ago
Read 2 more answers
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