3 years ago

Someone plzzzz help me?

Mathematics

1 answer:

Assoli18 [71]3 years ago

6 0

Answer:

The answer is B. I plugged it into a graphing calculator. Hope this helped :)

Step-by-step explanation:

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3 years ago

What is the ratio of the number of cups of apple juice to the number of cups of lemon-lime soda?

viktelen [127]

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2 years ago

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Mama L [17]

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Step-by-step explanation:

It's a vertical angle, meaning that it is congruent to the one on the opposite side of it.

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2 years ago

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Alex73 [517]

Answer: (3,-2)

Step-by-step explanation:

$-3x-7y=5\\15x+6y=33$

$5(-3x-7y)=5(5)\\-15x-35y=25$

new system:

$-15x-35y=25\\15x+6y=33$

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1 year ago

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A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade

forsale [732]

Answer:

B) μD = 0.60 ± 0.10(1.397)

Step-by-step explanation:

The confidence interval is given by:

$MD±t_{\alpha/2, n-1} \frac{s}{\sqrt{n} }$

Where

MD=60

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df=n-1=8

$t_{\alpha/2, n-1}=1.397$

$s=\sqrt{0.09} =0.3$

Then the confidence interval is

μD=0.60±1.397*(0.3/√9)

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2 years ago