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Diano4ka-milaya [45]
3 years ago
10

Which of the following is the simplified form of the seventh root of x times the seventh root of x times the seventh root of x ?

Mathematics
1 answer:
Studentka2010 [4]3 years ago
5 0
When multiplying numbers of the same base , we add the powers.
Example:
2^2 * 2^3 = 2^(2+3) = 2^5

For the givens:
The seventh root of x can be written as x^(1/7)
Now, we need to multiply x^(1/7) by x^(1/7) by x^(1/7)
These numbers have the same base which is "x", therefore, we will just add the power.
This means that:
x^(1/7) * x^(1/7) * x^(1/7) = x^(1/7 + 1/7 + 1/7) = x^(3/7)

Therefore, the correct choice is the first one: x^(3/7)

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28,18,8,-2 is this arithmetic ?
Tresset [83]

Answer:

yes it is arithmetic because:

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18 - 10= 8

8 - 10= -2

it keeps decreasing by the same number (10). Therefore, it is arithmetic.

3 0
3 years ago
(14x2 - 3x3 + 9x4) - (-14 + 13x3 + 11x4) simplify and answer in standard form
FromTheMoon [43]
We have that
(14x2 - 3x3 + 9x4) - (-14 + 13x3 + 11x4)=<span>14x2 - 3x3 + 9x4 +14 - 13x3 - 11x4
</span>(14x2 - 16x3  +14 - 2x4)

then
-2x4-16x3+14x2+14=0--------------> this is the <span>standard form

simplify </span><span>dividing the entire expression by two
</span><span>-x4-8x3+7x2+7=0

the answer is 
</span>-x4-8x3+7x2+7=0<span>

</span>
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If a figure has four sides, then it is a kites.

Step-by-step explanation:

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NISA [10]
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A distribution of measurements is relatively mound-shaped
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\mathbb P(X>60)=\mathbb P\left(\dfrac{X-50}{10}>\dfrac{60-50}{10}\right)=\mathbb P(Z>1)

Since approximately 68% of a (roughly) normal distribution falls within one standard deviation of the mean, that leaves 32% that falls outside, and by symmetry 16% should lie above one standard deviation of the mean.
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