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dlinn [17]
3 years ago
14

Which of the following expressions is not equal to X^3?

Mathematics
1 answer:
Musya8 [376]3 years ago
6 0

Answer:

D. x. x^7 . x^-4

Step-by-step explanation:

A. X^5 . X^-4 .X^2=X^(5-4+2)= X^3

B. X^-2 .X^9 .x^-4=X^(-2+9-4)= X^3

C.x^0 . x^10 . x^-7=X^(0+10-7)= X^3

D. x. x^7 . x^-4=X^(1+7-4)= X^4

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saveliy_v [14]
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8 0
3 years ago
What percentage of people has an IQ score less than 83 or greater than 117
Julli [10]

Answer:

(a) 95% of people have an IQ score between 66 and 134.

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4 0
3 years ago
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dimulka [17.4K]

Answer:

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4 0
3 years ago
Read 2 more answers
what is fourteen less than five times a number is three times the number and what is twelve more than seven times a number equal
andrey2020 [161]
If I am reading the equations correctly, they are:
   5x - 14 = 3x   AND  7x + 12 = x - 6

If this is correct, the first one would be worked out like this:
   5x (- 5x) - 14 = 3x (- 5x)
   - 14 = - 2x
   - 14 (/ - 2) = - 2x (/ - 2)
   7 = x

The second would be worked out like this:
    7x + 12 (+ 6) = x - 6 (+ 6)
    7x + 18 = x
    7x (- 7x) + 18 = x (- 7x)
    18 = - 6x
    18 (/ - 6) = - 6x (/ - 6)
    - 3 = x

I hope this is what you are looking for :)
8 0
3 years ago
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