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ElenaW [278]
3 years ago
5

What are the factors of the expression below? -x+2x+35

Mathematics
2 answers:
Serhud [2]3 years ago
6 0

The answer is A

Good luck

gulaghasi [49]3 years ago
5 0

Answer:

A

Step-by-step explanation:

Given

- x² + 2x + 35 ← factor out - 1 from each term

= - 1 (x² - 2x - 35)

To factor the quadratic inside the parenthesis

Consider the factors of the constant term (- 35) which sum to give the coefficient of the x- term (- 2)

The factors are - 7 and + 5

since - 7 × + 5 = - 35 and - 7 + 5 = - 2, hence

x² - 2x - 35 = (x + 5)(x - 7)

- x² + 2x + 35 = - 1 (x + 5)(x - 7) → A

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A triangle has one side measuring 16 inches and two sides measuring 13 inches. Is this triangle scalene?
nadya68 [22]

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4-21. Kelso's mom wants to put a floating blanket over the family's circular wading pool to keep the heat in and the leaves out.
astraxan [27]

Answer:

a. 78.6 square feet

b. $7.86

Step-by-step explanation:

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so Area = 22/7 * 10^2/4 = 78.60 square feet

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7 0
3 years ago
I need to solve for 3x+7=-x-1
Andrew [12]

3x+7=-x-1

move -x to the other side

sign changes from -x to +x

3x+x+7=-x+x-1

3x+x+7=-1

4x+7=-1

move 7 to the other side

sign changes from +7 to -7

4x+7-7=-1-7

4x=-8

Divide by 4 for both sides

4x/4=-8/4

Answer: x=-2

3 0
3 years ago
The area of this rectangle is 165 sq meters the width is 22 meters what’s is the perimeter?
Vesna [10]

Answer:

59 meters

Step-by-step explanation:

A=L*W

165=L*22

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7.5=L

P=L+L+W+W

7.5+7.5+22+22=59


7 0
3 years ago
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