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attashe74 [19]
3 years ago
10

Simplify (x2 16)(x2-16)? A. x4- 256 B. x256 C. x432 D. x4-32

Mathematics
1 answer:
tiny-mole [99]3 years ago
7 0
(x² + 16)(x² - 16)
= (x²)² - 16²
= x⁴ - 256
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Answer:

Which graph represents the solution set to this system of equations? –x + 2y = 6 and 4x + y = 3

On a coordinate plane, a line goes through (negative 1, negative 1) and (0, 3) and another line goes through (1, 4) and (2, 2).

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2 years ago
The contents of a sample of 26 cans of apple juice showed a standard deviation of 0.06 ounces. We are interested in testing to d
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Option b. should not be rejected

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We are given that the contents of a sample of 26 cans of apple juice showed a standard deviation of 0.06 ounces.

We have to test whether the variance of the population is significantly more than 0.003, i.e.;

  Null Hypothesis, H_0 : \sigma = \sqrt{0.003}

Alternate Hypothesis, H_1 : \sigma > \sqrt{0.003}

The test statistics used here for testing variance is;

          T.S. = \frac{(n-1)s^{2} }{\sigma^{2} } ~ \chi^{2}__n_-_1

where, s = sample standard deviation = 0.06

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5 0
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Did I do this right?
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No. For instance, let’s look at 1)
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hoa [83]
I believe this is the distributive property.
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3 years ago
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