3 years ago

X^2+X=56 Help please!!!!

Mathematics

1 answer:

stich3 [128]3 years ago

3 0

The value of x is either +7 or -8

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Pls help BRAINLYEST FOR BEST ANSWER YAYA

son4ous [18]

Answer:

A) 21

Step-by-step explanation:

Mean:

(23 + 18 + 24 + 15 + 25)/5

105/5

6 0

2 years ago

Read 2 more answers

Maggie's brother is 4 years younger than three times her age. The sum of their ages is 16.

bearhunter [10]

Answer:

Maggie is 5 years old

Step-by-step explanation:

3M-4+M=16

add 4 to both sides

4M=20

Divide both sides by 4

20/4 = 5

M/Maggie is 5

7 0

3 years ago

How do you simplify this ? 8(x - 4) - 6(x - 1) + 9x

Neporo4naja [7]

$8(x-4)-6(x-1)+9x\\\\=8\cdot x+8\cdot(-4)-6\cdot x-6\cdot(-1)+9x\\\\=8x-32-6x+6+9x\\\\=(8x-6x+9x)+(-32+6)\\\\=\boxed{11x-26}$

4 0

2 years ago

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A bag of marbles contains 15 blue marbles and 25 green marbles. Which of the

d1i1m1o1n [39]

Answer:

5/8

Step-by-step explanation:

6 0

2 years ago

what is 3.73/33.46? the question is jose bought a magazine for 3.73 and some light bulbs for 4.78. he spent a total of 37.19. ho

bekas [8.4K]

Answer:

He bought 7 lightbulbs.

Step-by-step explanation:

37.19 - 3.73 = 33.46

33.46/4.78=7

3 0

2 years ago