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xenn [34]
3 years ago
6

Use parallelogram ABCD. What are the values of x and y? x = y =

Mathematics
2 answers:
Tasya [4]3 years ago
6 0

Answer:

x = 17 and y = 10

Step-by-step explanation:

ABCD is a parallelogram

So AB = CD and AD = BC

so

3x - 9 = 42

3x = 51

 x = 17

and

4y - 3 = 37

4y = 40

 y = 10

Answer

x = 17 and y = 10

alexdok [17]3 years ago
4 0

Answer:

17,10

Step-by-step explanation:

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3 years ago
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Assume that a company hires employees on Mondays, Tuesdays, or Wednesdays with equal likelihood.a. If two different employees ar
horsena [70]

Answer:

P(A) = \frac{1}{9}

P(B) = \frac{1}{3}

P(C) = \frac{1}{729}

Step-by-step explanation:

We know that:

Only employees are hired during the first 3 days of the week with equal probability.

2 employees are selected at random.

So:

A. The probability that an employee has been hired on a Monday is:

P(M) = \frac{1}{3}.

If we call P(A) the probability that 2 employees have been hired on a Monday, then:

P(A) =P(M\ and\ M)\\\\P(A)=( \frac{1}{3})(\frac{1}{3})\\\\P(A) = \frac{1}{9}

B. We now look for the probability that two selected employees have been hired on the same day of the week.

The probability that both are hired on a Monday, for example, we know is P(A) = \frac{1}{9}. We also know that the probability of being hired on a Monday is equal to the probability of being hired on a Tuesday or on a Wednesday. But if both were hired on the same day, then it could be a Monday, a Tuesday or a Wednesday.

So

P(B) = \frac{1}{9} + \frac{1}{9} + \frac{1}{9}\\\\P(B) = \frac{1}{3}.

C. If the probability that two people have been hired on a specific day of the week is 3(\frac{1}{3}) ^ 2, then the probability that 7 people have been hired on the same day is:

P(C) = (\frac{1}{3}) ^ 7 + (\frac{1}{3}) ^ 7 + (\frac{1}{3}) ^ 7\\\\P(C) = \frac{1}{729}

D. The probability is \frac{1}{729}. This number is quite close to zero. Therefore it is an unlikely bastate event.

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3 years ago
Find P(Q|R) <br> A. 3/22<br> B. 3/7<br> C. 8/15<br> D. 8/11
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Step-by-step explanation:

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2 years ago
A baby gains 11 pounds in its first year of life. The baby gained 4 1/4 pounds during the first four months and 3 1/2 in its sec
Y_Kistochka [10]
The answer is a because 4+3 =7 half plus quarter equals three quarters 11 -7 and three quarters equals A
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3 years ago
At a local college, 118 of the male students are smokers and 472 are non-smokers. Of the female students, 50 are smokers and 450
BlackZzzverrR [31]

Answer:

The probability that both are smokers is 0.02

Step-by-step explanation:

Prob. of male smoker P(ms)= \frac{118}{590} = 0.2

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2 years ago
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