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wel
3 years ago
5

HELP SOLVE THIS PLEASE 2x² when x = 7

Mathematics
2 answers:
Gennadij [26K]3 years ago
8 0

Answer:

98

Step-by-step explanation:

2(7*7)= 2*49=98

vodka [1.7K]3 years ago
6 0

Answer:729

Step-by-step explanation:X would be 7, so that would make 27^2, and 27^2 is 27x27, because it is 2 27s. Therefore, 27x27 equals 89, drag the 4 above the 2, and multiply the 7 with the top 2, and you mark out the 4 and put 1 over it. The answer for that would Ben 189, put down your denominator, and multiply the second 2 with 7 and the 2 above that 2, and then you get 540, and then you add the 189, 1 over that one, and plus it with 540, which would equal 729. Sorry if I made it sound confusing, I tried. Hope this helps, though!

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5 0
4 years ago
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The solutions to the equation -4|x + 9| = -8 are:<br> 7, 11<br> 7, -11<br> -7, 11<br> -7, -11
dimaraw [331]

Answer:

option 4

Step-by-step explanation:

<u>Given</u><u> </u><u>Equation</u><u> </u><u>:</u><u>-</u><u> </u>

=> -4| x + 9 | = -8

<u>To </u><u>FinD</u><u> </u><u>:</u><u>-</u><u> </u>

=> Solution of the equation .

<u>Solving </u><u>it </u><u>:</u><u>-</u><u> </u>

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=> x = -9 +2 , -9-2

=> x = - 7 , -11

Option 4 is correct.

5 0
3 years ago
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makkiz [27]
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3 years ago
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