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givi [52]
2 years ago
6

Does the graph below represent a function? Also there’s another answer but it got cut off and it says D. Not enough information

Mathematics
1 answer:
Vanyuwa [196]2 years ago
6 0

Answer:

A

Step-by-step explanation:

A. yes

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Team A is located on the south bank of a river.Team B and C are located on the north bank.The angle formed from Team C to Team A
kotegsom [21]

Answer:

9.1 feet

Step-by-step explanation:

Please refer to the image attached for explanations

6 0
3 years ago
A study suggested that childrenbetween the ages of 6 and 11 in the US have anaverage weightof 74 lbs. with a standard deviation
Doss [256]

Answer:

The proportion of children in this age range between 70 lbs and 85 lbs is of 0.9306.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

A study suggested that children between the ages of 6 and 11 in the US have an average weightof 74 lbs, with a standard deviation of 2.7 lbs.

This means that \mu = 74, \sigma = 2.7

What proportion of childrenin this age range between 70 lbs and 85 lbs.

This is the pvalue of Z when X = 85 subtracted by the pvalue of Z when X = 70. So

X = 85

Z = \frac{X - \mu}{\sigma}

Z = \frac{85 - 74}{2.7}

Z = 4.07

Z = 4.07 has a pvalue of 1

X = 70

Z = \frac{X - \mu}{\sigma}

Z = \frac{70 - 74}{2.7}

Z = -1.48

Z = -1.48 has a pvalue of 0.0694

1 - 0.0694 = 0.9306

The proportion of children in this age range between 70 lbs and 85 lbs is of 0.9306.

7 0
2 years ago
A stack of six bricks is two feet high. How many bricks are in a stack of 20 feet high? How high is a stack of 20 bricks?
Flura [38]
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Mashcka [7]
Here is your answer click the file

8 0
3 years ago
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