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Rama09 [41]
3 years ago
7

There are ten people in the Baking Club, including Mark. They choose $3$ people to form an executive committee. How many possibl

e committees can be formed that do not include Mark?
Mathematics
1 answer:
Xelga [282]3 years ago
7 0

Answer:

84

Step-by-step explanation:

The baking club has 10 employees in total including Mark. When Mark is excluded there will be 9 employees who can form the executive committees.

The number of people who can form each committee are 3. To find the possible number of committees we use statistic computation technique. 9C3 we get 84 possible techniques.

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Which graph correctly represents this 2y+x=-5and y+3x=0
meriva

Answer:

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7 0
3 years ago
In a version of the game of roulette, a steel ball is rolled onto a wheel that contains 19 red, 19 black and 2 green slots. If t
trasher [3.6K]

Answer:

The probability is 0.3576

Step-by-step explanation:

The probability for the ball to fall into the green ball in one roll is 2/1919+2 = 2/40 = 1/20. The probability for the ball to roll into other color is, therefore, 19/20.

For 25 rolls, the probability for the ball to never fall into the green color is obteined by powering 19/20 25 times, hence it is 19/20^25 = 0.2773

To obtain the probability of the ball to fall once into the green color, we need to multiply 1/20 by 19/20 powered 24 times, and then multiply by 25 (this corresponds on the total possible positions for the green roll). The result is 1/20* (19/20)^24 *25 = 0.3649

The exercise is asking us the probability for the ball to fall into the green color at least twice. We can calculate it by substracting from 1 the probability of the complementary event: the event in which the ball falls only once or 0 times. That probability is obtained from summing the disjoint events: the probability for the ball falling once and the probability of the ball never falling. We alredy computed those probabilities.

As a result. The probability that the ball falls into the green slot at least twice is 1- 0.2773-0.3629 = 0.3576

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3 years ago
In the blank, type the greatest common factor of these two numbers.
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Find the value of x. Round to
Leno4ka [110]

Answer:

X= 10

Step-by-step explanation:

let the vertex of angle 17° named A

then the other two B and C

then by using trigonometry:

sin(A) = opposite side divided by hypotenuse

opposite side is. X

Wich makes Sin(A) = X/47

then by crossing X= sin(A) × 47 = 13.74147

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