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Maru [420]
3 years ago
15

I need help on this! 20 points! (I have been working for hours)

Mathematics
1 answer:
katovenus [111]3 years ago
3 0
It would 28 days so it would be 8.4 I think this right hope this helps
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Find the proportion of heights that are within 1 standard deviation of the sample mean and also the proportion that are within 2
Bess [88]
For a normal distribution <em>only, </em>for a population, not for particular sample.

proportion between 1 standard deviation, independent of &mu; and &sigma; , is given by:
P(Z<1)-P(Z<-1)
=0.841345-0.158655=0.682689
=0.68  (to two places of decimal)

proportion between 2 standard deviations, independent of &mu; and &sigma; , is given by:
P(Z<2)-P(Z<-2)
=0.977250-0.022750=0.954500=0.95  (to two places of decimal)
8 0
3 years ago
Your family goes to a southern style restaurant for dinner. There are 6 people in your family. Some order the chicken dinner for
Len [333]
Ok. You can use equations to find out what number of each meal was eaten. 

x*14+y*17=99

If you solve for x and y (I used guess and check- there's only a few possible combinations) and got one chicken dinner and five steak dinners.
7 0
3 years ago
Read 2 more answers
What is the multiplicative inverse of 8? <br> -1/8 <br> 1/8 <br> -8 <br> 0.08
Lemur [1.5K]

Answer: it's 1/8

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Zari folds the net shown into model of a solid figure. How many edges, faces, and vertices does the model have?
adoni [48]

Answer:

Faces = 6

Vertices = 8

Edges = 12

Step-by-step explanation:

In a solid geometric shape :

         A face is a flat surface : faces = 6

         A vertex (plural: vertices) is a Corner : vertices = 8

         An edge is a particular type of line segment joining

                                                          two vertices : Edges = 12

                       

6 0
3 years ago
What is the slope of the line that passes through the points (8, -4)(8,−4) and (6, 2) ?(6,2)?
Art [367]
The slope is 2-2/6-6 which is zero . So the slope is no slope
6 0
2 years ago
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