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sergeinik [125]
3 years ago
12

At a health club, 60% of the members are men and 40% of the members are women. The average age of the men is 32 years. The avera

ge age of the women is 28 years.
What is the average age of all the members of the health club?
Mathematics
1 answer:
Sedbober [7]3 years ago
3 0

Answer:

30.4 percent. Hope this helps!

Step-by-step explanation:

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13 subtracted from a number x
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The graph of which inequality has open circles on -16 and 4 with a line segment between them?
Alik [6]

Answer: Choice A.  |x+6| < 10

Explanation:

The rule is that stuff of the form |x| < k becomes -k < x < k where k is some positive number.

So we'll have these steps

|x+6| < 10\\\\-10 < x+6 < 10\\\\-10-6 < x+6-6 < 10-6\\\\-16 < x < 4\\\\

In the third step, I subtracted 6 from all sides to isolate x.

The last step indicates we'll have open holes at -16 and 4, with shading in between. It visually tells the reader "x can be anything between -16 and 4, but can't be equal to either endpoint".

7 0
2 years ago
What is the probability of flipping a coin 85 times and getting tails 40 times or fewer? Round your answer to the nearest tenth
Ilya [14]

Answer:

C. 33.2%

Step-by-step explanation:

Number of trials n = 85

Probability of success p = 0.5

Number of successes r = 40

Use cumulative binomial probability:

P(x ≤ r) = binomcdf(n, p, r)

P(X ≤ 40) = binomcdf(85, 0,5, 40)

P(x ≤ 40) = 0.332

5 0
3 years ago
Which expression is equivalent to
Alika [10]
The answer is (root 6) - 6,
-(-root(6) + 6),
(Root 6)- 6
8 0
2 years ago
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