Use the base ten system and mental math to find the products. of 40x50=
2 answers:
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H = 3b+2
A = (h*b)/2 28 = (3b+2)b/2 56 = 3b²+2b 0 = 3b² + 2b - 56
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A = (h*b)/2 28 = (3b+2)b/2 56 = 3b²+2b 0 = 3b² + 2b - 56
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Solve for slope first:
m =
m =
= -3
then solve for b in y = mx + b
8 = -3(-3) + b
b = -1
y = -3x - 1
m =
m =
then solve for b in y = mx + b
8 = -3(-3) + b
b = -1
y = -3x - 1