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meriva
3 years ago
7

Select the correct answer.

Mathematics
1 answer:
masha68 [24]3 years ago
3 0

Answer:

Option C

Step-by-step explanation:

We want to know the percentage of women among people who only prefer exercise.

We have the following information:

                Diet Only      Exercise Only   Diet and Exercise

Men                 7                 28                           15

Women          22                   18                           10

Then we get the total of people who prefer just exercise.

28 + 18 = 46

Now the proportion of women who only prefer exercise is calculated as:

w = \frac{18}{46}\\\\w = 0.39

Therefore we must search among the options the table that shows a proportion of 39 for women who prefer only the exercise.

This table is in option C.

C.

                        Diet Only     Exercise Only         Diet and Exercise

Men                    0.24                  0.61                   0.60

Women             0.76                  0.39                   0.40

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Answer:

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Step-by-step explanation:

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Solve the triangle that has a=4.6, B=19°, A=92° (picture provided)
kolezko [41]

Answer:

Option b

Step-by-step explanation:

To solve this problem use the law of the sines.

We have 2 angles of the triangle and one of the sides.

a = 4.6\\B = 19\°\\A = 92\°\\C = 180 -A - B\\C = 180 - 92 - 19\\C = 69\°

The law of the sines is:

\frac{sin(A)}{a} = \frac{sin(B)}{b} = \frac{sin(C)}{c}

Then:

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