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Yakvenalex [24]
3 years ago
5

Help me find the mean absolute deviation

Mathematics
1 answer:
Sergio [31]3 years ago
7 0

Answer:

D. $1.63

Step-by-step explanation:

Mean: 5 + 8 + 11 + 7.50 + 8.25 + 9.75 + 10.25 + 10.75 = 70.5/8 = 8.8125 or just 8.8

8.8 - 5 = 3.8

8.8 - 8 = 0.8

8.8 - 11 = 2.2

8.8 - 7.5 = 1.3

8.8 - 8.25 = 0.55

8.8 - 9.75 = 0.95

8.8 - 10.25 = 1.45

8.8 - 10.75 = 1.95

Mean Absolute Deviation: 3.8 + 0.8 + 2.2 + 1.3 + 0.55 + 0.95 + 1.45 + 1.95 = 13/8 = 1.625

now all we need to do is to round 1.625, and we would end up having $1.63.

~hope this helps!~

would highly appreciate it if you would mark me the brainliest. :)

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Greatest common factor for 8x and 40
CaHeK987 [17]
The GCF of 8x and 40 is 8

40 | 2
20 | 2
10 | 2
  5 | 5
  1 


8 | 2
4 | 2
2 | 2
1

40 = 2³ * 5
8 = 2³

We take only common factors with lowest exponent.

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4 0
3 years ago
What is100 10 times as much as 1/10
finlep [7]
Is ten times because you ten time and equals one hundred
5 0
3 years ago
PLEASE HELP ME!!! 5 POINTS!!!
lakkis [162]

Answer:

D. 1.38

Step-by-step explanation:

To compare numbers, start with the left side.

You are comparing these numbers with 1.32:

A.1.02

B.1.23

C.1.31

D.1.38

Start with the leftmost digit, the 1. All numbers start with 1, so up to the units place, they are all the same. See below.

1.32

A. 1.02

B. 1.23

C. 1.31

D. 1.38

Now compare the next digit which is the tenths place.

1.32

A. 1.02

B. 1.23

C. 1.31

D. 1.38

Above, the number 1.32 has a 3 in the tenths place. 3 is greater than 0 and than 2, so options A and B are less than 1.32 and are eliminated.

1.32

C. 1.31

D. 1.38

Now we compare the digits in the hundredths place shown just above. 2 is greater than 1, but it is less than 8, so we eliminate option C.

Answer: D. 1.38

7 0
4 years ago
Passing through point (4, 9) and perpendicular to the line y= -1/5x -3
Ratling [72]

Answer:

y = 5x-11

Step-by-step explanation:

The slope intercept form of a line is y =mx+b where m is the slope

y = -1/5 x-3

The slope is -1/5

Lines that are perpendicular have negative reciprocal slopes

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5

The slope of the line that is perpendicular is 5

y=5x+b

Using the point (4,9)

9 = 5(4)+b

9 = 20+b

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3 years ago
Which ratios have a unit rate of 4? Choose ALL that apply.
Keith_Richards [23]

Answer:

The evolution from vesicles to true cells was enabled by the development of

Step-by-step explanation:

6 0
3 years ago
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