What is the independent quantity? A) not enough information B) types of food I eat

Mathematics

1 answer:

anygoal [31]3 years ago

6 0

I think A if not B hope this helps

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Factoring GCF c^4d^2+c^2d^3

mr Goodwill [35]

Answer:

$c^2d^2(c^2 + d)$

Step-by-step explanation:

The equation is $c^4d^2 + c^2d^3$ so we see that the highest number on both terms that we can factor out is 2. If we factor out $c^2d^2$ from both terms, we end up with $c^2d^2(c^2 + d)$ , making $c^2d^2$ the GCF of this expression.

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Answer:

Step-by-step explanation:

Tye answer is 30 because all the measures in a triangle are equal to 180 degrees. That would equal 30 + 60 + 90 = 180

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Step-by-step explanation:

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Which function in Excel is used to perform a test of independence? a. T.TEST b. CHISQ.TEST c. NORM.S.DIST d. Z.TEST

denis23 [38]

Answer:

b. CHISQ.TEST

Step-by-step explanation:

Notation and previous concepts

A chi-square test is "used to test if the variance of a population is equal to a specified value. This test can be either a two-sided test or a one-sided test. The two-sided version tests against the alternative that the true variance is either less than or greater than the specified value"

The statistic is given by:

$\chi^2 = \sum_{i=1}^n \frac{(O_i-E_i)^2}{E_i}$

In order to calculate the p value we need to have in count the degrees of freedom , on this case $df=(rows-1)(#cols-1)$ . And we can calculate the p value would be given by: