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s344n2d4d5 [400]
3 years ago
15

Among the contestants in a competition are 50 women and 26 men. If 5 winners are randomly selected, qhat js the probability that

they are all men?
Mathematics
1 answer:
liq [111]3 years ago
5 0

Answer:

Probability that all winner are men = 0.0035 (Approx.)

Step-by-step explanation:

Given:

Number of women = 50

Number of men = 26

Total number winner = 5

Find:

Probability that all winner are men

Computation:

Total competitor = 50 + 26 = 76

Probability that all winner are men = 26/76 x 25/75 x 24/74 x 23/73 x 22/72

Probability that all winner are men = 7,893,600 / 2,216,980,800

Probability that all winner are men = 0.0035 (Approx.)

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Write an equation in point-slope form for the line that has a slope of 4/5 and contains the point (−5,−3) PLEASE
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Answer:

y= 4/5x + 1

Step-by-step explanation:

7 0
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2. Evaluate each expression:<br> a.-1.2.3 -<br> b.-1. (-2) 3<br> C. -1 • (-2).(-3)
rodikova [14]

Answer:

a. -6

b. +6

c. -6

Step-by-step explanation:

minus times plus times plus = -

minus times minus times plus = +

minus times minus times minus = -

1 times 2 times 3 = 6

so:

-1 times 2 times 3 = -6

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2 years ago
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The answer is C, a function is when the x value does NOT repeat!
6 0
3 years ago
A petroleum laboratory technician can perform 56 tests on samples in 7 hours. At this rate, how many of the same
natima [27]

Answer:

64

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7 0
3 years ago
Read 2 more answers
It is known that x1 and x2 are roots of the equation 3x^2+2x+k=0, where 2x1=−3x2. Find k.
miss Akunina [59]

Answer:

k = 8

Step-by-step explanation:

Since the roots of the equation 3x² + 2x + k are x₁ and x₂ and 2x₁ = 3x₂.

By the roots of an equation, ax² + bx + c , where its roots are  x₁ and x₂. It follows that sum of roots are x₁ + x₂ = -b/a and product of roots are x₁x₂ = c/a.

Comparing both equations, a = 3 b = 2 and c = k.

So, x₁ + x₂ = -b/a = -2/3 and x₁x₂ = c/a = k/3

x₁ + x₂ = -2/3 and x₁x₂ = k/3

3x₁ + 3x₂ = -2 (1) and 3x₁x₂ = k  (2)

Since 2x₁ = -3x₂, and -2x₁ = 3x₂substituting this into equations (1) and (2) above, we have

3x₁ + 3x₂ = -2 (1) and 3x₁x₂ = k  (2)

3x₁ + (-2x₁) = -2  and x₁(3x₂) = k

3x₁ - 2x₁ = -2  and x₁(3x₂) = k  

x₁ = -2  and x₁(-2x₁) = k  

x₁ = -2  and -2x₁² = k  

Substituting x₁ = -2 into -2x₁² = k, we have

-2x₁² = k

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2(4) = k

8 = k

So, k = 8

7 0
3 years ago
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