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dangina [55]
3 years ago
7

HELP! Evaluate negative 3 to the power of 2 + (2-6) (10)

Mathematics
1 answer:
Illusion [34]3 years ago
5 0

Answer:

-49

Step-by-step explanation:

−32+(2−6)(10)

=−9+(2−6)(10)

=−9+(−4)(10)

=−9+−40

=−49

I hope this is right haha

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The difference of two perfect cubes is 386. If the cube root of the smaller of the two numbers is 7, then the cube root of the l
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Answer:

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Step-by-step explanation:

Let the two perfect cubes be x and y where x > y.

According to the given conditions:

{x}^{3}  -  {y}^{3}  = 386...(1) \\ y = 7...(2) \\ plug \: y = 7 \: in \: equation \: (1) \\  {x}^{3}  -  {7}^{3}  = 386 \\ {x}^{3}  -  343 = 386 \\ {x}^{3}     = 343  +  386 \\ {x}^{3}     = 343  +  386 \\ {x}^{3}   = 729 \\ x =  \sqrt[3]{729}  \\ x = 9

Thus the cube root of the larger number is 9.

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muminat

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Answer:

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7 0
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