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Novosadov [1.4K]
3 years ago
15

Please help confused

Mathematics
1 answer:
bija089 [108]3 years ago
7 0
The mean is the average, 
add the numbers in the set and divide by the quantity of numbers:
9 + 15 + 22 + 45 + 50 +60 + 65 = 266
266 / 7 = 38
 the mean = 38

the absolute deviation is subtracting the number from the mean: ( all numbers are positive)

38 - 9 = 29

38 - 15 = 23

38-22 = 16

45-38 = 7

50 -38 = 12

60-38 = 22

65-38 = 27


You might be interested in
To which subsets of real numbers does the following number belong? square root of 30
LenaWriter [7]

In order to determine which subset it belongs, we must rewrite

\sqrt(30)

as

\sqrt(30)=\sqrt(2\times \times 3 \times 5)


\Rightarrow \sqrt(30)=\sqrt(2 \times 3\times 5)

\Rightarrow \sqrt(30)=\sqrt(2) \times \sqrt(3) \times \sqrt(5)


All these three numbers are irrational numbers, hence their product is also irrational


<h2>\Rightarrow \sqrt(30)</h2><h2>belongs to the set of irrational numbers</h2>
6 0
3 years ago
Read 2 more answers
Hunter started with the following model to show the problem 1.45 : 5. w 3 To complete the division model of 1.45 = 5, how many h
Cloud [144]

Each division set gives the outcome of the operation 1.45 ÷ 5 which is 0.29.

  • The number of hundredths in each division set is <u>D. 9</u>

Reasons:

The given Hunter's model consists of the following

One 10 × 10 number block

Four sets of a column of 10 cubes

Five individual cube pieces

Therefore;

In 1.45, we have;

1 unit

4 tenths

5 hundredths

Which gives;

Each single cube can be used to represent a hundredth in 0.05

One cube = 0.01

Each set of 10 cubes represents a tenth in 0.4

Each block of 10 by 10 can be used to represent the unit; 1

Dividing each of the 10 × 10 can be divided to sets of 20 blocks with a value of 0.2 each

The 4 sets of 10s can be divided by 5 to give sets of 8 with a value of 0.08

The 5 cubes divided 5 gives five cubes with each cube having a value of 0.01.

Therefore;

The value of each division set is 0.2 + 0.08 + 0.01 = 0.29

The number of hundredths in 0.29 = 9

The number of hundredths in each division set is therefore; <u>D. 9</u>

Learn more about number place value here:

brainly.com/question/184672

5 0
2 years ago
How do I find the value of X for the equation (3x+1)+(4x-5)=8x-9
castortr0y [4]

(3x+1)+(4x-5)=8x-9

7x-1=8x-9

7x=8x-8

-x=-8

X=8

6 0
3 years ago
Can somebody please help me with my math I need help ASAP
zzz [600]
Can you make it bigger?
4 0
3 years ago
PLEASE HELP ME WITH THIS!! ILL GIVE BRAINLIEST.
LekaFEV [45]

Answer:

See below.

Step-by-step explanation:

A correct.

B correct.

C correct.

D correct.

E incorrect.

F correct.

G incorrect.

H correct.

I incorrect.

J incorrect.

K correctt.

-hope it helps

4 0
2 years ago
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