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Sergio [31]
3 years ago
8

Please answer this question.

Mathematics
1 answer:
kobusy [5.1K]3 years ago
5 0

Answer:

its i think the first one and the last one

Step-by-step explanation:

sorry if its wrong but i think it is right

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A survey on healthy choices was given to gym members at Work It Out. The results showed that 90% of its members drank protein sh
Debora [2.8K]

Answer:

Probability that a gym member does not take weight-loss medication = 0.63

Step-by-step explanation:

Let E be the event of choosing a gym member who drank protein shakes and W be the event of choosing a gym member who took weight loss medication.

Probability that a gym member drank protein shakes = P(E) = 0.9

Probability that a gym member does not drink protein shakes = P(not E) = 0.1

E and W are independent events.

By using Bayes Theorem, P(E and W) = P(E)*P(W)

Probability that a gym member drank protein shakes and took weight loss medication = P(E and W) = 0.3*0.9 = 0.27

Probability that a gym member took weight-loss medication = P(W) = 0.1 + 0.27 = 0.37

(10% of members who did not drink protein shakes took weight-loss medication)

Therefore, Probability that a gym member does not take weight loss medication = P(not W) = 1 - 0.37 = 0.63

5 0
3 years ago
Write the following as a mathematical expression with one variable.
balu736 [363]

Answer:

Step-by-step explanation:

2l-3w

4 0
3 years ago
Holden and Bryson started to hike a portion of the Appalachian trail that is 12 2/5 miles long. Due to snow, they had to stop af
Gemiola [76]

Answer: 4 9/10

Step-by-step explanation: You need to subtract 12 2/5 and 7 1/2.

The two fractions have different denominators. Multiply to find a common denominator

2/5 x 2/2 = 4/10

1/2 x 5/5 = 5/10

Now you have 12 4/10 minus 7 5/10. But you cannot subtract 4/10 and 5/10 equally.

Subtract 12 - 1 and add 1 to 4/10.

12 - 1 = 11

10/10 (10/10 is 1) + 4/10 = 14/10

Now you have 11 14/10 minus 7 5/10. Subtract.

11 - 7 = 4

14/10 - 5/10 = 9/10

That makes 4 9/10.

Hope this is helpful :)

8 0
3 years ago
Please help me out it would be greatly appreciated
Dmitry_Shevchenko [17]

The area of the given parallelogram is 120.

Step-by-step explanation:

Step 1:

The parameters needed to determine the area of a parallelogram are the base length and height.

The base length of this parallelogram is 15 inches while its height is 8 inches.

The area of a rectangle is determined by multiplying the base length with the height.

Step 2:

The area of the parallelogram = (b)(h).

Here the base length is 15 inches and the height is 8 inches.

The area of the parallelogram =(15)(8) = 120.

So the area of the given parallelogram is 120.

5 0
3 years ago
Prove that angle ABD is congruent to angle CBE<br><br> with solution!
WINSTONCH [101]

ANSWER:

the conditions are the angle a is equal to angle c and ab = bc . Hence we need to prove that the triangles is congruent to the triangle cbe. ... angle A =angle C and AB=BC.

8 0
3 years ago
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