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Earn +20 ptsQ: What is the rate of change for -21x plus 9?
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What does x equal when 21x plus 9 equals 180?
21x + 9 = 180 21x = 180 - 9 21x = 171 x = 171/21 x = 8.143
What is the answer to the rational expression 2x plus 3 over 10x squared plus 21x plus 9?
(2x+3)/(10x2+21x+9)Factor the quadratic expression in the denominator:(2x+3)/(5x+3)(2x+3)which becomes:1/(5x+3) or (5x+3)-1
What is 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 0 plus 9 plus -8 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 equals?
127 easy math people
What is 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9?
81
How many if 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9 plus 9?
= 90 (9*10)
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