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Paraphin [41]
2 years ago
11

Ms. Wall will roll two number cubes. What is

Mathematics
1 answer:
bonufazy [111]2 years ago
8 0
Probability of rolling a sum of 9 or a sum that is even from two number cubes is
11/18
Explanation:
When a dice is rolled there are different ways in which
9. can be obtained, which are (3,6) or (4,5) or (5,4) or (6,3). 4 options. As in all there are
6⋅6=36 options, probability is 4/36 or 1/9.

For getting an even number as sum, we can have (1,1) or (1.3) or (1,5) or (2,2) or (2,4) or (2,6) or (3,1) or (3,3) or (3,5) or (4,2) or (4,4) or (4,6) or (5,1) or (5,3) or (5,5) or (6,2) or (6,4) or (6,6) 18 options, probability is 18/36 or 1/2.

Note that the two events (getting 9 or even sum) are mutually exclusive, the probabilities can be just added i.e. combined probability is
1/9+1/2=2+9/18i.e. 11/18
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The terminal side of an angle, Theta, whose sine value is One-half
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Theta has a reference angle of 30° and is in Quadrant I or II.

Sin(theta) = ½

Basic angle: 30

<h3>What is the reference angle?</h3>

The acute angle between the terminal arm/terminal side and the x-axis. The reference angle is always positive. In other words, the reference angle is an angle sandwiched between the terminal side and the x-axis.

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180-30 = 150

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1 year ago
If there are 7 blue chips and 5 red chips in a bag, what is the probability of drawing a blue chip?
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Answer:

7/12

Step-by-step explanation:

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3 years ago
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PolarNik [594]
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3 0
3 years ago
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dsp73
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8 0
2 years ago
Dwayne scored 55 points in the last basketball game, which is 10 points more than his previous personal best. Lebron scored 15 p
spin [16.1K]

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Step-by-step explanation:

Since we have given that

Let the number of points Scored by Dwayne be 'd'.

Number of points in the last basket ball game = 55 points

According to question, we get that

d+10=55\\\\d=55-10\\\\d=45

Let the number of points that Chris's score be 'c'.

Number of points Lebron scored = 45

According to question, number of points scored by Chris is given by

c+15=45\\\\c=45-15\\\\c=30

a. How many points did Chris score during the game?

c = 30

b. If these are the only three players who scored, what was the team’s total number of points at the end of the game?

45+45+30=90+30\\\\=120

Hence, a) 30, b) 120

5 0
3 years ago
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