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Westkost [7]
3 years ago
5

In one game, the ratio of three-point baskets to three-point tries for one team was 3:8. If the team scored 27 points from three

-point baskets, how many three-point tries did the team have?
Mathematics
1 answer:
nasty-shy [4]3 years ago
7 0

Since we’ve been given a ratio, 3:8, we can convert that into a fraction and form an equation from it:

\frac{3}{8} = \frac{27/3}{?}

The reason the numerator on the second fraction is 27/3 is because the team scored 27 points, not 27 baskets.

Simplify (Also replace the ? with an unknown variable):

\frac{3}{8} = \frac{9}{n}

Cross multiply:

3*n = 9*8

Simplify:

3n = 72

Divide both sides by 3:

n = 24

The team had 33 three point tries, 9 successes, and 24 fails.

-T.B.

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Add the two expressions 6q+1 and q+11<br> Enter your answer into the box
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Answer:

7q + 12

Step-by-step explanation:

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Answer:

She needs to sample 189 trees.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

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Now, we have to find z in the Ztable as such z has a pvalue of 1 - \alpha.

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Now, find the margin of error M as such

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In which \sigma is the standard deviation of the population and n is the size of the sample.

The standard deviation of the population is 70 peaches per tree.

This means that \sigma = 70

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She needs to sample n trees.

n is found when M = 10. So

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Rounding up:

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