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romanna [79]
2 years ago
9

The answer because I don’t understand measurements

Mathematics
1 answer:
andre [41]2 years ago
6 0
Four and a half gallons of lemonade
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Find the value of c that completes the square.<br> n2- 26n + c
saul85 [17]

Step-by-step explanation:

b^2=4ac

b= -26, a=1, c=?

-26^2=4*1*c

676=4c

c=676/4

c=169

4 0
3 years ago
Compared to others, which one of the following is not robust to outliers? a) Mean b) Median c) Mode d) 50th percentile
tatyana61 [14]

Answer:

The mean.

Step-by-step explanation:

The mean is not robust.

The presence of an outlier greatly affects the value of a mean.

An example will illustrate this.

Find the mean of  the numbers   2  3  5  6  34.

34 is an outlier. The mean = (2+3+5+6+34) / 5 = 10.

Now   if we replace the outlier with a number closer to the others:

Say we have 2 3 5 6 8 :

The mean = (2+3+5+6+8) / 5 =  4.8 which is a much truer measure of centrality than 10.

3 0
2 years ago
Brain is skateboarding at 8 kilometers per hour. How long will it take Brain to travel 12 kilometers?
Vladimir [108]

Answer:

1.5 hours

Step-by-step explanation:

All you do is divide the speed by the distance 12/8=1.5 simple as that

Would be amazing if you marked me brainliest :)

8 0
2 years ago
Which best describes the life cycles of moss and angiosperm?
Aleksandr-060686 [28]
It would have to be iv

4 0
2 years ago
Read 2 more answers
Find out the Range coefficient of the range
Alex777 [14]

Answer:

0.4494

Step-by-step explanation:

Given :

marks number of students

20-29 8

30-39 12

40-49 20

50-59 7

60-69 3​

The range Coefficient is obtained thus :

Range Coefficient = (Xm - Xl) / (Xm + Xl)

Where ;

Xm = Mid value of highest class = (60+69)/2 = 64.5

Xl = Mid value of lowest class = (20+29)/2 = 24.5

Range Coefficient = (64.5 - 24.5) / (64.5 + 24.5)

Range Coefficient = 40 / 89 = 0.4494

7 0
2 years ago
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