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BlackZzzverrR [31]
3 years ago
9

20 + g + g =14 I don't understand please help

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
7 0
Remmeber, you can do anything to an equaiton as longa s you do it to both sides

add like terms

20+g+g=14
20+2g=14
minus 20 from both sides
20-20+2g=14-20
0+2g=-6
2g=-6
divide both sides by 2
(2g)/2=(-6)/2
(2/2)g=-3
1g=-3
g=-3
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Step-by-step explanation:

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5 0
2 years ago
A university administrator was interested in determining if there was a difference in the distance students travel to get from c
eduard

Answer:

1) Fail to reject the Null hypothesis

2) We do not have sufficient evidence to support the claim that the mean distance students traveled to school from their current residence was different for males and females.

Step-by-step explanation:

A university administrator wants to test if there is a difference between the distance men and women travel to class from their current residence. So, the hypothesis would be:

H_{o}: \mu_{F}-\mu_{M}=0\\\\ H_{a}: \mu_{F}-\mu_{M}\neq 0

The results of his tests are:

t-value = -1.05

p-value = 0.305

Degrees of freedom = df = 21

Based on this data we need to draw a conclusion about test. The significance level is not given, but the normally used levels of significance are 0.001, 0.005, 0.01 and 0.05

The rule of the thumb is:

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No matter which significance level is used from the above mentioned significance levels, p-value will always be larger than it. Therefore, we fail to reject the null hypothesis.

Conclusion:

We do not have sufficient evidence to support the claim that the mean distance students traveled to school from their current residence was different for males and females.

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3 years ago
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