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leonid [27]
3 years ago
8

A number cube is rolled two times. What is the probability that the sum of two numbers will be 9?

Mathematics
1 answer:
harina [27]3 years ago
6 0
Total number of possible outcomes = 36
Total number of outcomes with sum 9 = 4
{3, 6} (4, 5) {5, 4} (6, 3}

P(Sum = 9) = 4/36 = 1/9

Answer: 1/9
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Answer:

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Step-by-step explanation:

Given

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Required

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Circumference (C) is calculated as:

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Substitute values for C and \pi

220cm = 2 * \frac{22}{7} * r

220cm =  \frac{44}{7} * r

Multiply through by 7/44

\frac{7}{44} * 220cm =  \frac{7}{44} * \frac{44}{7} * r

r = \frac{7}{44} * 220cm =

r = \frac{7 * 220cm }{44} =

r = \frac{1540\ cm}{44}

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<em>Hence, the radius is 35cm</em>

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Question 11
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The computation shows that the number of possible ways will be 12.

<h3>How to calculate the value?</h3>

From the information given, Mary has four t-shirts-T₁, T2, T3, and T4, and three pairs of jeans-J1, J2, and J3.

Therefore, the number of possible ways that she can choose her outfit will be:

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Learn more about computations on:

brainly.com/question/4658834

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