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Serjik [45]
3 years ago
9

Calculate population variance from population standard deviation

Mathematics
1 answer:
Tema [17]3 years ago
8 0
The standard deviatiion is the square root of the variance.
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Simplify the following expression 3^2/5 x 3^-7/5. I think it is 1/3. 3^-5/5
kobusy [5.1K]

Answer:

1/3

Step-by-step explanation:

3^2/5 x 3^-7/5

We know that a^b* a^c = a^(b+c)

3^(2/5 -7/5)

3^ (-5/5) = 3^ -1

We know that a^-b = 1/ a^b

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Tanya is training a turtle for a turtle race. For every 1/3 of an hour that the turtle is crawling, he can travel 2/23 of a mile
Oxana [17]

The unit rate with the turtle crawling is 6/23 mile per hour.

According to the statement

we have given that the every 1/3 of an hour that the turtle is crawling, he can travel 2/23 of a mile. and

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So, For this purpose,

we know that the

The unit rate of speed in miles per hour the number of miles in one hour.

So, to find the unit rate:

Divide distance in miles with the time which is in hours.

So,

unit rate of speed = distance / time

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unit rate of speed = 6/23 mile per hour.

So, The unit rate with the turtle crawling is 6/23 mile per hour.

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1 year ago
How much ounces are in 22 grams 0.035x
Daniel [21]

Answer:

0.77 ounces

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Exactly a year ago, the volume of Arlington lake was 1,620,757 liters. Right now, it’s volume is 382,403 liters greater. How man
ANTONII [103]

Answer:

Step-by-step explanation:   2003160

If you add them up, you get 2003160.

So the lakes holds 2003160 LITERS of water to the current date.

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