3 years ago

Why is it important to have a control group in an experiment of investigation?

1 answer:

AnnZ [28]3 years ago

6 0

Answer:

I think its A

Step-by-step explanation:

Sorry if I'm wrong

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muminat

Answer:

The one you have selected is the right answer 126 times pi

Step-by-step explanation:

Exact answer - 395.840674

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zubka84 [21]

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$\large\boxed{b=\pm\sqrt{77}}$

Step-by-step explanation:

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Step-by-step explanation:

35 /100 x 90 = 31.5

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