3 years ago

2. The perimeter of a rectangle is 72 cm. The width of the rectangle is 16 cm. What is the area of the rectangle?

1 answer:

3 0

ANSWER
320cm ²

STEP BY STEP
2 widths (16) should equal 32, so you should have 40cm left. Divide 40 by 2 to get one length. Length = 20, width = 16.

So to find the area, you multiply length times width. 20 x 16 = 320

The area is 320cm ²

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The placebo effect is an example of a(n) experimenter bias. participant bias. random assignment bias. random selection bias.

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Answer:

participant bias

Step-by-step explanation:

Participant bias is sometimes called as subject bias. it is referred to as the tendency of a subject that forces them to act in an experiment. it is held because that they think researchers is looking up to them to act. it occurs only when the subject has detail knowledge about the study or project.

Participant bias is a subject initiative to know about the inner thought of the researcher so the subject acts according to what the researcher wants to hear.

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3x+ 2y= 4 solving for x

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