What is the sum of the fractions? Use the number line and equivalent fractions to help find the answer.

Negative 1 and one-fourth + one-half

A number line going from negative 3 to 0 in increments of one-fourth.
Negative 1 and three-fourths
Negative 1 and one-half
Negative three-fourths
Negative one-half

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step-by-step explanation:

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x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

$113.42

i hope that is right.

step-by-step explanation: