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Andrews [41]
3 years ago
15

There are 11 balls numbered 1 through 11 placed in a bucket. What is the probability of reaching into the bucket and randomly dr

awing three balls numbered 4, 9, and 7 without replacement, in that order? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
Mathematics
1 answer:
xz_007 [3.2K]3 years ago
6 0

Answer:

Probability of drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket = 0.041667

Step-by-step explanation:

Probability is  of the ratio of number of favorable outcomes to the total number of outcomes.

Here outcome is drawing 4 balls from a 8 ball bucket.

Favorable outcome is randomly drawing four balls numbered 1, 4, 8, and 6.

Total number of ways in which 4 balls from a 8 ball bucket can be drawn is given by 8 x 7 x 6 x 5 = 1680.

Total number of ways in which drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket is given by 8C₄

   

Probability of drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket is given by

      

Probability of drawing four balls numbered 1, 4, 8, and 6 from a 8 ball bucket = 0.041667

Read more on Brainly.com - brainly.com/question/13409547#readmore

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Pls help no links if u can pls explain the steps I’ll be grateful
valkas [14]

Answer:

WX = 9

Step-by-step explanation:

WY is the entire line - this tells you that the length of the entire line is 11.

XY is a section of the line, and WX is the section you need to find the length for. Since it is given that XY is of length 2, we can find the length of WX by subtracting the length of XY from WY.

11 (WY) - 2 (XY) = 9.

8 0
3 years ago
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levacccp [35]

Answer:

5 units

Step-by-step explanation:

You can use the distance formula or pythagorean theorem to solve this.

Original point A: (0,0)

New point B: (3, 4)

Distance formula: \sqrt{(x_{2}-x_{1})^{2}   +(y_{2}-y_{1})^{2} }

Plug the points in:

\sqrt{(3-0)^{2} +(4-0)^{2} } = 5

5 units

5 0
3 years ago
Izzy had an 82 and an 88 on his first two tests and believed that he did well enough on his final exam to keep his B average.​ H
Anastaziya [24]

Answer:

73

Step-by-step explanation:

to find the mean you need to add up all grades and divide if by the number of terms you added

(82 + 88 + x) ÷ 3 = 69 (since we don't know the third grade let's call it x)

170 + x = 69 × 3

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if the digits transposed the the actual grade would be 73

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3 years ago
there are some cows and some chickens, if there are a total of 40 heads and 112 legs, how many cows are there
Dominik [7]

ummm I think I know but I don't at the same time take away 40 from 112 and theres you answer♥.



5 0
3 years ago
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Solve for k 5/8(3k+1)-1/4(7k+2)=1
lesya [120]

Answer:

<h2>k = 7</h2>

Step-by-step explanation:

\dfrac{5}{8}(3k+1)-\dfrac{1}{4}(7k+2)=1\qquad\text{multiply both sides by 8}\\\\8\!\!\!\!\diagup^1\cdot\dfrac{5}{8\!\!\!\!\diagup_1}(3k+1)-8\!\!\!\!\diagup^2\cdot\dfrac{1}{4\!\!\!\!\diagup_1}(7k+2)=8\cdot1\\\\5(3k+1)-2(7k+2)=8\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\(5)(3k)+(5)(1)+(-2)(7k)+(-2)(2)=8\\\\15k+5-14k-4=8\qquad\text{combine like terms}\\\\(15k-14k)+(5-4)=8\\\\k+1=8\qquad\text{subtract 1 from both sides}\\\\k=7

3 0
3 years ago
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