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laila [671]
4 years ago
13

Solve by elimination: 3x+7y=23 -3x-7y=-17

Mathematics
1 answer:
Elanso [62]4 years ago
5 0

Answer:

there is no solution

Step-by-step explanation:

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Step-by-step explanation:

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A recent study claimed that half of all college students "drink to get drunk" at least once in a while. Believing that the true
lara [203]

Answer: Hypothesis testing

Step-by-step explanation:

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Given claim : A recent study claimed that half of all college students "drink to get drunk" at least once in a while. By believing that the true proportion is much lower, the College Alcohol Study interviews an SRS of 14,941 college students about their drinking habits and finds that 7,352 of them occasionally "drink to get drunk".

Here the College Alcohol Study is just testing the results of the survey .

Hence, this is is s a type of Hypothesis testing.

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