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klasskru [66]
2 years ago
7

Please help thank u!

Mathematics
1 answer:
givi [52]2 years ago
4 0
B haha. Hope this works out for ya.
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A medical study investigated the effect of calcium and vitamin supplements on the risk of older Americans for broken bones. A to
timofeeve [1]

Answer:

\frac{37}{389}

Step-by-step explanation:

Given that a  medical study investigated the effect of calcium and vitamin supplements on the risk of older Americans for broken bones. A total of 389 older Americans who lived at home and were in good health were studied over a three-year period. While all of the 389 people took in at least 700 milligrams of calcium and 200 units of vitamin D through their normal diet, 187 of them were given additional supplements containing 500 milligrams of calcium citrate and 70 units of vitamin D daily. Of the 187 who took additional supplements, 11 of them suffered broken bones over the three-year period. Of the 202 older Americans who did not take the additional supplement, 26 of them suffered broken bones over the study period.

                     Group I           Group II           Total

n                      187                  202                389

favour x             11                    26                  37

The fraction of older Americans who were included in the study suffered broken bones during the three-year period

=Total x/total n

= \frac{37}{389}

4 0
3 years ago
A cube shaped box has a volume of 27 cubic inches. What is the length of each side? Show your work
Mars2501 [29]

Answer:

9 x 3 = 27

:)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))

Step-by-step explanation:

5 0
3 years ago
27/100 irrational or rational?
andriy [413]

Answer:

It would be a rational number.

Step-by-step explanation:

An easy way to tell if a number is rational is by seeing if it can be put in fraction form. As you can see, 27/100 is a fraction, so it is rational.

8 0
3 years ago
If 5.9% of female population was diagnosed with diabetes what percentage was not diagnosed
svet-max [94.6K]

Answer: 94,1%

Step-by-step explanation:

The probability of people with diabetes:

P (Diabetes) = P(diagnosed women) + P (undiagnosed women)

1= 0,059 + P (undiagnosed women)

P (undiagnosed women)= 1-0,059= 0,941--> 0,941x100= 94,1%

7 0
2 years ago
Read 2 more answers
Estimate 243 times 6 equals???
ExtremeBDS [4]
243 times 6 equals 1458
6 0
3 years ago
Read 2 more answers
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