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natulia [17]
2 years ago
8

Consider the expression

Mathematics
1 answer:
mixer [17]2 years ago
5 0

Answer:

 -12 b + 6 c + 18

Step-by-step explanation:

-4 b + 8 c + 12 - 8 b - 2 c + 6

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If testing the claim that sigma subscript 1 superscript 2 baseline not equals sigma subscript 2 superscript 2σ21≠σ22​, what do w
12345 [234]

Answer:

The statistic for this system of hypothesis is given by:

F=\frac{s^2_1}{s^2_2}

If the statistic is equal to 1 then that means s^2_1 = s^2_2 and we don't have enough evidence to conclude that the two population variances and deviations are different.

Step-by-step explanation:

System of hypothesis

We want to test if the variation for a group1 is equal to another one 2, so the system of hypothesis are:

H0: \sigma^2_1 = \sigma^2_2

H1: \sigma^2_1 \neq \sigma^2_2

Calculate the statistic

The statistic for this system of hypothesis is given by:

F=\frac{s^2_1}{s^2_2}

If the statistic is equal to 1 then that means s^2_1 = s^2_2 and we don't have enough evidence to conclude that the two population variances and deviations are different.

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3 years ago
How do I solve this.....I'm really dumb
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mode is really easy.  All you have to do is calculate which number appears the most

7 0
2 years ago
Answer this and get 15 points if correct!!! What is 25 x 30 + 6 - 12
Rashid [163]

Step-by-step explanation:

the answer is 744..........

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For what value of B is the trigonometric function considered an odd function? y=cosB(x-c)
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For what value of B is the trigonometric function considered an odd function? y=cosB(x-c)


1/4

6 0
3 years ago
A train traveled 217 miles at an average speed of 62mph. for how many hours did the train travel
Natasha2012 [34]
Well, 217 miles ÷ 62 MPH is 3.5.
so it took the train 3.5 hours.

check it: 62 MPH x 3.5 hours, it went 217 miles
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