13. -17 points smithnm13 7.2.056. find the measures of all the angles in the figure. (assume li is parallel to 12.) given m25 = 1000 mzi m22 m23 m24 m26 m27 m28

x/3-10=8

x/3=18

x=48

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

i believe the answer is c.

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step-by-step explanation:

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