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LiRa [457]
2 years ago
5

2 ( X + 9 ) - 15 = -3

Mathematics
2 answers:
Ymorist [56]2 years ago
8 0

Answer:

x = -2

Step-by-step explanation:

2(x + 9) - 15 = -3  Distributive property

2(x) + 2(9) -15 = -3

2x +18 - 15 = -3  Combine like terms

3x + 3 = -3   Subtract 3 from both sides

3x = -6  Divide both sides by 3

x = -2

andre [41]2 years ago
8 0
X=-3
The other person did all the steps correctly, they just accidentally wrote 3x instead of 2x in one of the steps
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Answer:

A. H0: μ = 6 vs. Ha: μ > 6

H0 : µ = 6 vs. Ha : µ > 6

Step-by-step explanation:

Null hypotheses state that there is no difference between a parameter and a specific value.

Alternative hypotheses states a specific difference between a parameter and a specific value.

Null hypotheses is represented as H0

Alternative hypotheses is represented as Ha.

From the question,

The claim is this "Is the mean height for all adult American males between the ages of 18 and 21 now over 6 feet?" The claimed statement represent the Alternative hypotheses.

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7 0
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I need help with this question
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Answer:

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Step-by-step explanation:

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