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Brums [2.3K]
3 years ago
15

I need help asap :):):)

Mathematics
1 answer:
liq [111]3 years ago
7 0

Answer:

B

Step-by-step explanation:

-4x+2x>-4 is simplified to x>0. B graph correctly shows this.

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2( 10 - a^2 ) + 7a If ( a = 4 )Evaluate each expression
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Solution:

Given:

2(10-a^2)+7a

when a = 4, substitute for a in the expression;

\begin{gathered} 2(10-a^2)+7a=2(10-4^2)+7(4) \\ =2(10-16)+28 \\ =2(-6)+28 \\ =-12+28 \\ =16 \end{gathered}

Therefore, if (a = 4), then

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