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shusha [124]
2 years ago
10

There are 42 people walking in 2 rows. How many people are walking in 1 row?

Mathematics
2 answers:
KIM [24]2 years ago
7 0

Answer:

21

Step-by-step explanation:

Hope this helps! Consider Brainiest!

anyanavicka [17]2 years ago
3 0

Answer:

21 people

Step-by-step explanation:

Forty-two people in two rows means that forty-two is divided into 2 groups.

42/2=21

HTH :)

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Which of the expressions below can be factored using the difference of squares method?
Dmitry [639]

Answer: A. 9x^2 - 16y^2 .

Step-by-step explanation:

  • A difference of squares problem is factored as :a^2 - b^2 = (a + b)(a - b)
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From all the options only option A has both terms square and they minus sign between them.

Also, 9x^2 - 16y^2= (3x)^2-(4y)^2=(3x+4y)(3x-4y)

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The perimeter of a rectangle is 30 cm and its length is x cm. Find its area in terms of x. step by step explanation.​
mars1129 [50]

Answer:

The area of the rectangle in terms of 'x' = 13x

Step-by-step explanation:

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Using the perimeter formula to find the width w.

P=2(l+w)

P = 2l + 2w

2w = P-2l

Dividing both sides by 2

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as P = 30 cm

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Using the formula of the rectangle area

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Therefore, the area of the rectangle in terms of 'x' = 13x

7 0
2 years ago
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