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Debora [2.8K]
3 years ago
6

In a cross country meet, you run at a steady pace of 7 minutes a mile. If you finish the race in 21 minutes. How long is the rac

e?
Mathematics
2 answers:
OleMash [197]3 years ago
8 0
You would change the word problem into an equation. So it would be 21/7.  The answer is 3 minutes.
Aleks04 [339]3 years ago
4 0
3 miles:
21 divided by 7 is 3
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Answer:

) Compute the sample mean x and the sample standard deviation s.

Do NOT use a computer. You may only use +, –, ×, ÷, and on a calculator.

Show ALL work.

9

143.1

9

15.5 16.2 16.1 15.8 15.6 16.0 15.8 15.9 16.2 = = = ∑ + + + + + + + +

n

x

x

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x x 2 x x − x ( ) 2

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15.5

16.2

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OR

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Question~
Rasek [7]

Answer:

  • B. 1

Step-by-step explanation:

Multiply the first term by x^a, the second term by x^b, the third term by x^c.

<u>The first term becomes:</u>

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<u>The second term becomes:</u>

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<u>The third term becomes:</u>

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<u>Their sum is:</u>

  • (x^a+x^b+x^c)/(x^a+x^b+x^c) = 1

Correct choice is B

3 0
2 years ago
Help me please don't understand
Whitepunk [10]
It is A and B I think hope it helps 

3 0
3 years ago
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Step-by-step explanation:

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3 years ago
Solve the following systems of 3-variable linear equations.​
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