Answer:
180
Step-by-step explanation:
It's 180 because 75% of 240 is 180.
You must add 6 to complete the square.
x^2+12x+(6)=-5(6)
5.5 ( 8 - x ) + 44 = 104 - 3.5 ( 3x + 24 )
Distribute 5.5 through the parenthesis.
44 - 5.5x + 44 = 104 - 10.5x - 84
Add the numbers.
88 - 5.5x = 20 - 10.5x
Move variable to the left side and change its sign.
88 - 5.5x + 10.5x = 20
-5.5x + 10.5x = 20 -88
Collect like terms.
5x = 20 - 88
Calculate the sum or difference.
5x = - 68
Divide both sides by 5.
x = - 68 / 5
Answer: the compliment is 19° (90-71=19). the supplement is 109° (180-71=109)
Answer:
A
Step-by-step explanation:
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