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2 years ago

Megan said the opposite of the sum of -12 and 4 is 8.

Mathematics

2 answers:

jasenka [17]2 years ago

8 0

Megan is correct. -12 + 4 is -8 and the opposite of that is 8

Fynjy0 [20]2 years ago

8 0

Answer:

Megan is correct

Step-by-step explanation:

-12 + 4 = -8

and the opposite of a negative number is always a positive number .

So the opposite of -8 is 8 which means Megan is correct .

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If B is the midpoint of ac and the length of ac is 23.8, what is the length of ab?

e-lub [12.9K]

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2 years ago

At Daria's school 3/8 of students are left handed. If there are 320 students, how many of them are left handed

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2 years ago

(EASY POINTS) Answer num: 5 with a detailed explanation. :)

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Step-by-step explanation:

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2 years ago

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Pls help in a middle of an exam

KIM [24]

Answer:

$\frac{2x^2+4x-9}{(2x-3)(2x+3)(x-1)}$

Step-by-step explanation:

$\frac{2x}{4x^2-9} + \frac{3}{2x^2+x-3}$ can be simplified to:
$\frac{2x}{(2x-3)(2x+3)}+\frac{3}{(2x+3)(x-1)}$

Make them have common denominators so:
$\frac{(2x)(x-1) +3(2x-3)}{(2x-3)(2x+3)(x-1)}$

Simplify:
$\frac{2x^2-2x+6x-9}{(2x-3)(2x+3)(x-1)} = \frac{2x^2+4x-9}{(2x-3)(2x+3)(x-1)}$

I don't think you can simplify that fraction further so that's the answer.

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2 years ago