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guapka [62]
3 years ago
11

Will mark Brainliest for correct answer!!! Write two different expressions to represent the perimeter of this square. What can y

ou conclude from the two expressions? Express your answer in two or more complete sentences.

Mathematics
2 answers:
Alexxx [7]3 years ago
6 0

Answer:

s+s+s+s or s times 4

Step-by-step explanation:

The perimeter of a square is equal to 2l + 2w. In this case, 1l and 1w is equal to s. so 2(s) + 2(w) = 4s

Morgarella [4.7K]3 years ago
4 0

Answer:

P = 2a + 2a or P = 4a

As the opposite sides of the square are equal, so the perimeter will be given by P = 2a + 2a

Again the square has four sides equal, so the perimeter will be given by P = 4a. (Answer)

Step-by-step explanation:

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Bas_tet [7]

Answer:

6. D.

7.  F.

8. A.

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10. C.

Step-by-step explanation:

6.     9 + (12 - 10)

       12 - 10 = 2

        9 + 2 = 11

7.      (20 - 15) x 2

        20 - 15 = 5

         5 x 2 = 10

8.      10 ÷ 5 + 7

         10 ÷ 5 = 2

          2 + 7 = 9

9.        6 + 2 x 3

           2 x 3 = 6

           6 + 6 = 12

10.        (2 x 4) + 8

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Let me know if this helps!

4 0
3 years ago
what are the extraneous variables eliminated by randomly selecting schools into the experiment and control groups?
Bingel [31]

Regression to the mean and selection bias are the superfluous variables that are removed by randomly choosing schools for the experiment and control groups.

A statistical phenomenon known as regression to the mean (RTM) states that if a random outcome of any measurement or event is severe in the first example, the second or following outcomes will be less extreme. In other words, it will be somewhat near to the distribution's mean or center.

According to regression to the mean (RTM), if an experiment's first result is extreme, the second result will be more in line with the population mean.

Decisions are made incorrectly as a result of this prejudice.

To mitigate the detrimental impacts of regression to the mean, organizations can exercise critical thinking and undertake a randomized controlled trial (RCT) with an experimental group and a control group.

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GrogVix [38]
22 should be the answer

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Answer:

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Step-by-step explanation:

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