4 years ago

Find the equivalent exponential expression. [(-5)3]2

Mathematics

1 answer:

Lapatulllka [165]4 years ago

3 0

first we work in the braces witch are these []

(-5) x 3 = -15

then multiply again

-15 x 2 = -30

Answer: -30

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What is the solution to {y>2x+5 (over) y<-3x+5

Alecsey [184]

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$\left\{\begin{array}{ccc}y > 2x+5\\y < -3x+5\end{array}\right\\\\y=2x+5\\for\ x=-2\to y=(2)(-2)+5=-4+5=1\to(-2;\ 1)\\for\ x=0\to y=(2)(0)+5=0+5=5\to(0;\ 5)\\\\y=-3x+5\\for\ x=0\to y=(-3)(0)+5=0+5=5\to(0;\ 5)\\for\ x=2\to y=(-3)(2)+5=-6+5=-1\to(2;\ -1)$