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Lemur [1.5K]
3 years ago
6

About 40% of athletes at a gym use a professional trainer. The proportion of successes is when p = 0.4. You choose a random samp

le of 50 athletes at the gym.
Mathematics
1 answer:
Marat540 [252]3 years ago
6 0

Answer: 0.089

Step-by-step explanation:

Math

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You and a friend went to the movies.You spent half your money on tickets. Then you spent 1/4 of the money on popcorn, $2 on cand
bagirrra123 [75]

Answer:

We took $ 24 to the movies.

Step-by-step explanation:

Let total money be

On movies = Half of the money =\frac{x}{2}

On popcorn =  \frac{x}{4}

on candy = $2

On soda = $3

total money spent =  \frac{x}{2} +\frac{x}{4}+ 2+3+1

         x   =  \frac{x}{2} +\frac{x}{4}+ 2+3+1

x- \frac{x}{2} -\frac{x}{4} = 6

\frac{x}{1} -\frac{x}{2} - \frac{x}{4}  =6

    \frac{4x-2x-x}{4}  = 6\\          \frac{x}{4} =6\\x =24

3 0
3 years ago
Line l is the perpendicular bisector of AB. What is the perimeter of ABC
saveliy_v [14]

Answer:

Perimeter = 60

Step-by-step explanation:

because l bisects AB:

3y+1 = 5y-5

reduce:

2y = 6

y = 3

and:

2x+4 = 4x-12

reduce:

2x = 16

x = 8

AB = (3y+1) + (5y-5)

AB = 8y-4

substitute for y

AB = 8(3)-4

AB = 20

Perimeter = (2x+4) + (4x-12) + 20

reduce:

perimeter = 6x+12

substitute for x:

Perimeter =6(8)+12

reduce:

Perimeter = 60

3 0
2 years ago
Need help please due soon!
Marina CMI [18]
143 because you multiply by the scale factor of 13
3 0
3 years ago
The number in a fraction that tells how many equal parts are in the hall or in a group
Paul [167]

I think the answer is "the denominator"

3 0
3 years ago
Which one is an irrational number?
gladu [14]

Answer:

The irrational number is 4.37124...

Step-by-step explanation:

This is because the number is non-terminating and non-repeating; as in the numbers don't repeat in the same order and they never end.

5 0
3 years ago
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