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3 years ago

8

To determine the size of a sample, the standard deviation of the population must be estimated by either taking a plot surveying

or by approximating it based on knowledge of the population.
a) true
b) false

1 answer:

levacccp [35]3 years ago

6 0

Answer:

a) true

Step-by-step explanation:

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A spacecraft is orbiting Mars. At the farthest point in its orbit, it is 76,994 kilometers from Mars. Which of the following num

KengaRu [80]

So scientific notation is
(number>1 and <10) times 10^xpower

so count how many decimal places the decimal needs to move to make 76994 >1 and <10
it needs to move 4 places so
7.6994 times 10^4
the answer is A

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3 years ago

Please help DO NOT IGNORE DO NOT IGNORE

lisov135 [29]

Answer:

24.997 cm

Step-by-step explanation:

Find the diameter:

7(2) = 14 cm

Find the circumference:

C = $\pi d$

C = $\pi (14)$

C = 43.988

Divide the circumference by 4:

43.988/4 = 10.997

(This is the length of the curved side)

Add length to the other 2 sides:

7 + 7 + 10.997 = 24.997

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3 years ago

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kupik [55]

Answer:

gill bought 20 pencils

Step-by-step explanation:

10 pencils in each pack × 2 packs = 20 pencils in total

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2 years ago

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pav-90 [236]

Answer:

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A can of apple juice contains 175 calories per 2.5 servings at this rate how many calories are in 4 servings

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