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Makovka662 [10]

3 years ago

14

john won 72 pieces of gum playing hoops at the country fair at school he gave four to every student in his math class he only ha

s 4 remaining how many students are in his class

1 answer:

MA_775_DIABLO [31]3 years ago

8 0

18 Kids in his class you have to divide 72 by 4 which will give u 18
Good Luck! ~Sophie Hernandez

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Two urns both contain green balls and red balls. Urn I contains 6 green balls and 4 red balls and Urn II contains 8 green balls

34kurt

Presumably, whatever is drawn from Urn I is independent of what is drawn from Urn II. This means

$P(\text{red from Urn 1 AND red from Urn 2})=P(\text{red from Urn 1})\cdot P(\text{red from Urn 2})$

We have

$P(\text{red from Urn 1})=\dfrac4{10}=\dfrac25$

$P(\text{red from Urn 1})=\dfrac7{15}$

so the probability of drawing red balls from both urns is $\dfrac25\cdot\dfrac7{15}=\dfrac{14}{75}$

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Elly and Drew work together to collect data to estimate the percentage of their classmates who own a particular brand of shoe. U

ladessa [460]

Answer:

d. The width of Elly's interval will be less than the width of Drew's interval.

Step-by-step explanation:

The confidence level and the width of the confidence interval are direct proportional. This means that a confidence interval with a higher confidence level has a higher width.

For example, a 99 percent confidence interval is wider than a 90 percent confidence interval.

The midpoint of the confidence interval is the mean of the population, no matter the confidence level.

In this problem, we have that:

Elly: 90 percent CI

Drew: 99 percent CI

The correct answer is:

d. The width of Elly's interval will be less than the width of Drew's interval.

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4 years ago

Please help with problem and show steps

pshichka [43]

(6x^2+5x+1)/(3x^2+4x+1)
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3 years ago

The rectangular prism shown below has a volume of 42 cubic meters. What is the length of the prism? Volume = L x W x H or B x H

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Step-by-step explanation:

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3 years ago

The long side of a box is 6 inches. That is 3 times the length of the short side. How long is the short side? PLEASE HELP NEED A

Montano1993 [528]

Answer:

2 inches

Step-by-step explanation:

If the long side is 6 inches and it's 3x the length of the short side, then you need to divide the long side into 3 parts because the short side is 1/3 the length of the long side. This means that the short side is 2 inches.

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3 years ago

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