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Tomtit [17]
4 years ago
5

Round each decimal to the nearest whole number 30.92

Mathematics
1 answer:
Serhud [2]4 years ago
5 0
It would be 31. 31 is a whole number. since 0.91 is close to 1. We would round it to 31 because of that.
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The lifetime of a certain brand of battery is known to have a standard deviation of 9 hours. Suppose that a random sample of 90
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Answer:

lower limit : 36.44

upper limit : 39.56

Step-by-step explanation:

Given :

s = 9

n = 90

x = 38.9

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The confidence interval is :

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upper limit : 39.56

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3 years ago
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Step-by-step explanation:


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2 years ago
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HACTEHA [7]

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8 0
3 years ago
3xy^3+5-x-2xy^3=xy^3+11
Viktor [21]

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Step-by-step explanation:

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xy^3-x+5+-xy^3=xy^3=xy^3+11+-xy^3

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Step 2: Add -5 to both sides.

-x+5+-5=11+-5\\-x=6

Step 3: Divide both sides by -1.

\frac{-x}{-1} =\frac{6}{-1}

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8 0
3 years ago
Read 2 more answers
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Answer:

1.)   5   5215/6957

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8 0
3 years ago
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