2/3 x 3/4 =6/12=1/2
(Multiply numerators, multiply denominators, simplify)
∠A+∠B=∠ACD
So, ∠A=93-31=62°
I think it mean that, right?
8+x = 22
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Answer:
18x^2 - 9
Step-by-step explanation:
y = f(x)= 6x^3 - 9x + 4
dy/dx = d/dx(6x^3) - d/dx(9x) + d/dx (4)
=6.d/dx(x^3) - 9.d/dx (x) + d/dx. (4)
=6.3x^2 - 9.1 + 0 =18x^2 - 9
21/30 as a percent would be 70%.
