3 years ago

Can someone help me with #10 please

Mathematics

2 answers:

Aleksandr [31]3 years ago

8 0

X=11 because 90-43+5x-8 so 5•11=55-8 =47 90-43=47

chubhunter [2.5K]3 years ago

6 0

Complementary means the angles together would equal 90°. Supplementary means the angles would equal 180°.

Using Complementary angles:

5x-8+43=90 Combine -8 and 43 = 35

5x+35=90

-35 -35

5x=55

Divide each side by five

x=11

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