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PolarNik [594]
3 years ago
6

Someone help me this is so hard

Mathematics
2 answers:
Sholpan [36]3 years ago
7 0

Answer:

the answer is 16

Step-by-step explanation:

x^2 + 7 ( x=3)

3^2 + 7

9 + 7 =

16

x^2 would be that number(x) times itself that many times[ in this case it would be the number 2]

Igoryamba3 years ago
6 0
The answer is 16 cause you substitute 3 for x then multiply 3 by 2 then add 9 + 7
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Tuesday:
30.80 + 1.20 = 32.00

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Thursday:
30 * 0.96 = 28.8

Friday:
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Net change means you subtract to get the difference.

Net change = Final - initial
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Solve.<br><br> x + 5 ≥ 12 or <br> x<br> 9<br> &lt; 0
Andreyy89
<h3>I'll teach you how to solve x + 5 ≥ 12 or x*9< 0</h3>

--------------------------------------------------------------

x + 5 ≥ 12 or x*9< 0

First lets solve x+5>12:

Subtract 5 from both sides:

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Simplify:

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Now lets solve x*9< 0:

Divide both sides by 9:

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x \geq 7 or x < 0

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