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MaRussiya [10]
3 years ago
6

PLZZZZ HELP ME if you dont know the answer plz dont help me

Mathematics
2 answers:
andriy [413]3 years ago
7 0

Answer: the answer is c

Step-by-step explanation:

if you calculate for C you get 2.82843 ,  for B and D you get the same answer which is 2, and for number A you cant calculate that

matrenka [14]3 years ago
4 0
C because if you put it in decimal form you get an inrational number
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Of all the Sunny Club members in a particular city, 25% prefer swimming on weekends and 75% prefer swimming on weekdays. 10% of
mars1129 [50]
The easiest way to solve this problem is to make a table, based on 100 total person

                     Prefer week ends            Prefer week days    Total

Female                10                                  55                        65

Male                    15                                   <span>20                       </span>35

Total                    25                                   75                      100

The bold numbers are conclusions. The plain numbers are data.

<span>The probability that a randomly selected club member is female, given that that person prefers swimming on weekends</span> is [10 / 25] =  0.40

Answer: option D. 0.40
6 0
3 years ago
One of the tallest living men has a height of 236 cm. One of the tallest living women is 224 cm tall. Heights of men have a mean
Roman55 [17]

Answer:

A. The woman is relatively taller because the z score for her height is greater than the z score for the man​'s height.

Step-by-step explanation:

Whoever has the highest z-score, is taller relative to the population of the same gender.

The z-score of a value X in a set with mean \mu and standard deviation /sigma is given by:

Z = \frac{X - \mu}{\sigma}

Solution:

Heights of men have a mean of 170 cm and a standard deviation of 6 cm. One of the tallest living men has a height of 236 cm. So the z-score of his height is:

Z = \frac{X - \mu}{\sigma} = \frac{236-170}{6} = 11

Heights of women have a mean of 161 cm and a standard deviation of 5 cm.

One of the tallest living women is 224 cm tall. The z-score of the women's height is

Z = \frac{X - \mu}{\sigma} = \frac{224-161}{5} = 12.6

The women has a higher z-score, so she is relatively taller.

The correct answer is A

3 0
4 years ago
Solve the system of equations y=5x y=x^2+4<br> answer:(1,5) and (4, 20)
aksik [14]
The answer is (1,5) and (4,20) they make both of the equations true
6 0
3 years ago
Will mark you brainliest for the best answer! Find the exact length of arc ADC . In your final answer, include all of your calcu
nevsk [136]

Answer:

360 whole circle minus the 60 you don't want =300

Step-by-step explanation:

4 0
2 years ago
Hanna shops for socks that cost $2.99 for each pair and blouses that cost $12.99 each. Let x represent the number
BigorU [14]

Answer:

2.99x + 12.99y = 43.92

Step-by-step explanation:

socks cost 2.99 and she bought x

2.99x

blouses cost 12.99 and she bought y

12.99y

The total is

2.99x + 12.99y

The total cost was 43.92

2.99x + 12.99y = 43.92

3 0
3 years ago
Read 2 more answers
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