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Cerrena [4.2K]
3 years ago
9

CAN SOMEONE PLEASE HELP ME!!!!

Mathematics
2 answers:
padilas [110]3 years ago
6 0

Answer:

The third answer aka C

Step-by-step explanation:

vitfil [10]3 years ago
6 0

Answer: The first option is the correct answer

Step-by-step explanation: It is not a function because it does not pass the vertical line test.

The vertical line test is a test that determines whether or not a relation is a function. To perform the vertical line test you must go through every point and look DOWN the line in which the point lies. If there is another point on the same Y axis then it does not pass the vertical line test which means its not a function.

HOPE THIS HELPS!

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Please HELP!!!!! Will give brainlyest!!! (Image attached.)
Andreas93 [3]

Answer:

18 because you use the middle section which explains how many rolls are needed

8 0
2 years ago
!!!!!!!!!!!!!!!!!!!!! HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
USPshnik [31]

Answer:

rectangular prism

Step-by-step explanation:

The sides fold up into a rectangular shaped box, or a prism. Hope this helps!

4 0
3 years ago
Explain the circumstances for which the interquartile range is the preferred measure of dispersion. What is an advantage that th
KatRina [158]

Answer:

Explain the circumstances for which the interquartile range is the preferred measure of dispersion

Interquartile range is preferred when the distribution of data is highly skewed (right or left skewed) and when we have the presence of outliers. Because under these conditions the sample variance and deviation can be biased estimators for the dispersion.

What is an advantage that the standard deviation has over the interquartile​ range?

The most important advantage is that the sample variance and deviation takes in count all the observations in order to calculate the statistic.

Step-by-step explanation:

Previous concepts

The interquartile range is defined as the difference between the upper quartile and the first quartile and is a measure of dispersion for a dataset.

IQR= Q_3 -Q_1

The standard deviation is a measure of dispersion obatined from the sample variance and is given by:

s=\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

Solution to the problem

Explain the circumstances for which the interquartile range is the preferred measure of dispersion

Interquartile range is preferred when the distribution of data is highly skewed (right or left skewed) and when we have the presence of outliers. Because under these conditions the sample variance and deviation can be biased estimators for the dispersion.

What is an advantage that the standard deviation has over the interquartile​ range?

The most important advantage is that the sample variance and deviation takes in count all the observations in order to calculate the statistic.

8 0
3 years ago
Jill bought 7 pounds of melon and 0.9 pounds of cherries. How much fruit did she buy in all
erik [133]

Answer:

7.9 pounds of fruit

Step-by-step explanation:

In all means to add, so 7 + .9 = 7.9 pounds

6 0
2 years ago
Can u help me with this
Nimfa-mama [501]
4b - 7 + 2b + 11 and b + 3 + b + 1 are congruent.

You add the common factors in each problem: 2b + 4 = 2b + 4
4 0
2 years ago
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