3 years ago

Ms.Rodriguez will conduct a survey at her school about students and

Mathematics

1 answer:

Makovka662 [10]3 years ago

5 0

Answer: Choice C

This is conducting a simple random sample (SRS) which is often the most effective way to form a sample. The other methods have some kind of bias to them, which means the sample won't represent the population.

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What is 2/3 + 1/4<br>*please help*

Tcecarenko [31]

$\frac{2}{3}+\frac{1}{4}$

Re-write with a common denominator, in this case 12:

$\frac{2 \times 4}{3 \times 4}+\frac{1 \times 3}{4 \times 3}$
$\frac{8}{12}+\frac{3}{12}$

Add:
$\frac{8}{12}+\frac{3}{12} = \frac{11}{12}$

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3 years ago

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Please help me i would appreciate it. Also provide proof.

loris [4]

This is 60 because if you were to 12 times 1 you would get 12 then multiply by 5 and you get 60. Now to check your answer do 12 divided by 12 which gives you 1 and do 60 divided by 12 gives u 5. Therefore the answer is 60cm hope this helps!

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3 years ago

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bekas [8.4K]

Both powers should be in the denominator with positive exponents.

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4 years ago

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Omar classroom has 2 closets each closet has 3 shelves there are 5 backpacks on each shelf’s

Ket [755]

2 closets each with 3 shelves, 2x3 is 6. 5 backpacks on each shelf so 6x5 is 30

Therefore there is a total of 30 backpacks