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Veseljchak [2.6K]
3 years ago
14

Simplify (3n^3r^2)^3 please help show work I will mark brainliest

Mathematics
1 answer:
alekssr [168]3 years ago
7 0

Answer:(3n^3r^2)^3 = 27n^9r^6

Because the exponents for ^3 are the same add them that's 6 and then you have 3 which need to tbe multiplied 3 times so 3 * 3 *3 equals 27 and the 9 comes from 3 * 3 exponent.

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Answer:

8\:\text{ft}

Step-by-step explanation:

The length of the arc is proportional to the degree measure it in encompasses. Since there are 360 degrees in a circle and the arc is 120 degrees, the arc's length will be \frac{120}{360}=\frac{1}{3} of the circle's length (circumference).

The circumference of a circle is given by 2\pi r, where r is the radius of the circle. Therefore, the circumference of the circle is 2\pi(4)=8\pi. As we found earlier, the length of the arc is \frac{1}{3} of this circumference. Therefore, the arc's length is 8\pi\cdot \frac{1}{3}=\frac{8\pi}{3}.

To the nearest integer, this is \approx \boxed{8\:\text{ft}}.

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4.) Add (x^3 + 3x^2 - 2x) + (-x^2 - 3x + 4)

5.) x^3 + 2x^2 - 5x + 4 is your final answer.

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Answer:

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Step-by-step explanation:

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