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Alina [70]
3 years ago
5

Write 9.12 as a repeating decimal into a mixed number in its simplest form

Mathematics
1 answer:
Alex Ar [27]3 years ago
5 0

Answer:

9 4/33.

Step-by-step explanation:

0.12 repeating = 12/99

= 4/33.

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A study of bone density on 5 random women at a hospital produced the following results.
IRINA_888 [86]

Answer:

- 0.9503 ; r is not statistically significant ; 0.9031

Step-by-step explanation:

Given the following :

Age (X) :

37

41

57

65

73

Bone density (Y)

355

345

340

315

310

Using the pearson R value calculator :

The r value of the data % - 0.9503.

This value depicts a very strong negative correlation between age and density of bone.

Using the pearson R calculator to obtain the P- value, the P value obtained is .01332 and hence the r is not significant at P < 0.01.

The Coefficient of determination R^2 can be obtained by getting the square value of R

R^2 = - 0.9503^2

R^2 = 0.90307009

R^2 = 0.9031

8 0
3 years ago
You earn $0.85 for every cup of hot chocolate you sell how many cups do u need to sell to earn $5.25
Sauron [17]

5.25 / .85 you would get 6.17~ but you cant sell 1/4th a cup, so you have to round up, making it 7 cups.

8 0
3 years ago
If it’s greater than or equal to a negative will it’s second option switch to a positive?
Oduvanchick [21]

Answer:

yes

Step-by-step explanation:

yes it will

7 0
2 years ago
Find the value of 7 + b when b= 15.<br><br> Help ?
Lisa [10]

7 + b

= 7 + 15

= <u>22</u>

<u>hope</u><u> </u><u>it</u><u> </u><u>helps</u><u>!</u>

4 0
2 years ago
Read 2 more answers
150 adults complete a survey.
tresset_1 [31]

Answer:

7:8

Step-by-step explanation:

First, you need to find out how many men there are. 150-80=70 men. The ratio would be 70:80. Then you need to simplify it. the simplified answer is 7:8

8 0
3 years ago
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