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Musya8 [376]
3 years ago
9

Which of the following expressions can be used to find the perimeter of a rectangle?

Mathematics
1 answer:
morpeh [17]3 years ago
5 0

Answer:

2l + 2w. l+l+w+w. l+l+2w. 2(l+w)

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284.24

Step-by-step explanation:

by multiplying 0.68 to 418 we get 68% of 418

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A mass attached to a spring is pulled toward the floor so that its height above the floor is 10 mm (millimeters). The mass is th
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Answer:

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2 years ago
Can someone help w number 4
strojnjashka [21]

Answer:

angle DFG = 49 degrees

angle JKL = 41 degrees

Step-by-step explanation:

When angles are complementary with each other, it means that if you add both of the angles up, it adds up to 90 degrees.

In this question, you would have to add up angle DFG and angle JKL and find the x that makes the equation equal to 90 degrees.

angle DFG = x + 5

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But since we have to find out the angle measures, we have to the "x = 44" with the x's in the DFG and JKL angles.

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2 years ago
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Answer:

Addition of Polynomials

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2Add: 7a + 5b, 6a – 6b + 3c and -5a + 7b + 4c. ...

3Add: 3a2 + ab – b2, -a2 + 2ab + 3b2 and 3a2 – 10ab + 4b2 ...

4Add: 5x + 3y, 4x – 4y + z and -3x + 5y + 2z. First we need to write in the addition form. ...

Step-by-step explanation:

Hope it helps ya ItzAlex

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