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e-lub [12.9K]
4 years ago
10

A nationally known cosmetics company hires a market research firm to test new formulations of moisturizer. Using their extensive

list of possible subjects,
the market researchers first divide the subjects into 5 age groups and then randomly select names from each age group to participate in a study. This is an
example of
systematic sampling
a simple random sample
stratified sampling
cluster sampling
Mathematics
1 answer:
Afina-wow [57]4 years ago
5 0

Answer:

Step-by-step explanation:

A nationally known cosmetics company hires a market research firm to test new formulations of moisturizer. Using their extensive list of possible subjects,

the market researchers first divide the subjects into 5 age groups and then randomly select names from each age group to participate in a study. This is an

example of

systematic sampling

a simple random sample

stratified sampling

cluster sampling

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Answer: 12\sqrt{5}

Step-by-step explanation:

3\sqrt{88}

88 can be rewritten as 8 x 10 and 8 can be rewritten as 2^2*2 making a 2 come out of the root.

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10 can be rewritten as 2 x 5.

6\sqrt{2*2*5}

2*2 can also be rewritten as 2^2 making a 2 come out of the root.

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We can't keep simplifying the root.

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