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Rina8888 [55]
3 years ago
15

Evaluate the following expression for w=4. w^-3 =

Mathematics
1 answer:
slega [8]3 years ago
6 0
W^-3
(4)^-3 = 1/(4)^3
1/64.

The solution is 1/64.
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Answer:

Greatest Number of Teams: 8

Number of Girls per Team: 5

Number of Boys per Team: 4

Step-by-step explanation:

32÷8=4

40÷8=5

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Based on the information below, choose the correct answers. Note: The monthly loan payment was calculated at 119 payments of $33
Margaret [11]

Answer:

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Step-by-step explanation:

a) The amount of concern is ...

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4 0
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How many lb of brand X sugar which
Dafna1 [17]

Answer:  <u>4 pounds</u> of brand X sugar

====================================================

Reason:

n = number of pounds of brand X sugar

5n = cost of buying those n pounds, at $5 per pound

Brand Y costs $2 per pound, and you buy 8 lbs of it, so that's another 2*8 = 16 dollars.

5n+16 = total cost of brand X and brand Y combined

n+8 = total amount of sugar bought, in pounds

3(n+8) = total cost because we buy n+8 pounds at $3 per pound

The 5n+16 and 3(n+8) represent the same total cost.

Set them equal to each other. Solve for n.

5n+16 = 3(n+8)

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2n = 8

n = 8/2

n = 4 pounds of brand X sugar are needed

-------------

Check:

n = 4

5n = 5*4 = 20 dollars spent on brand X alone

16 dollars spent on brand Y mentioned earlier

20+16 = 36 dollars spent total

n+8 = 4+8 = 12 pounds of both types of sugar brands combined

3*12 = 36 dollars spent on both types of sugar brands

The answer is confirmed.

--------------

Another way to verify:

5n+16 = 3(n+8)

5*4+16 = 3(4+8)

20+16 = 3(12)

36 = 36

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2 years ago
Will all random samples from a given population have the same mean?
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Data from random samples will not always include the same values. Values are chosen randomly and they may or may not be the same. So means will vary among samples.

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