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3 years ago

9

A ___ is obtained by dividing the population into groups and selecting all individuals from within a random sample of the groups

.

1 answer:

makkiz [27]3 years ago

4 0

Answer:

cluster

Step-by-step explanation:

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When Mindy went to china, she exchanged $1 for 6.589 yuan. What digit is in the hundredths place of 6589?

mafiozo [28]

eight would be the answer

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2 years ago

Based on the information marked in the diagram, AABC and ADEF must be

Studentka2010 [4]

Answer:

a

Step-by-step explanation:

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2 years ago

What is 4.5a+7+3.5a+2

Nitella [24]

Answer:

8a+9

Step-by-step explanation:

You have to add the like terms.

4.5a+7+3.5a+2

4.5a+3.5a=8a

7+2= 9

8a+9

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2 years ago

Which number is not in scientific notation? 9 x 10^19 7.8 x 10^6 1.45 x 10^-7 0.33 x 10^-15

Len [333]

1.45 x 10^-7 isn't in scientific notation because if it's negative, the decimal starts before the first real number, right?

3 0

3 years ago

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Solve each of the following equations for the missing variable.

NemiM [27]

Answer:

-20

Step-by-step explanation:

-2.5x = 40 + 10

- 2.5x = 50

x = 50/-2.5 = -20

6 0

3 years ago

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