What is -7(5x-4) simplifyed

Mathematics

2 answers:

HACTEHA [7]2 years ago

7 0

Answer:

-35x+28

Step-by-step explanation:

have a great day :'D

Naddika [18.5K]2 years ago

5 0

Answer:

35−28

Step-by-step explanation:

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ExtremeBDS [4]

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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:

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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:

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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: