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salantis [7]
3 years ago
11

A chair can be purchased in one of four colors: red, white, green, or blue. The number of chairs purchased in each color is list

ed below. Red: 150 white: 450 green: 225 blue: 375 Based on the information shown in the list, what is the probability that the next chair purchased will be red?
Mathematics
1 answer:
Makovka662 [10]3 years ago
8 0

Answer:

P(Red) = 0.125

Step-by-step explanation:

Given

Red: 150

White: 450

Green: 225

Blue: 375

Required

Determine the probability of getting a red chair, next.

First, we nee the total number of chairs

Total = 150 + 450 + 225 + 375

Total = 1200

Probability of getting red is then calculated as thus;

P(Red) = Red/Total

P(Red) = 150/1200

P(Red) = 0.125

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Answer:

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Step-by-step explanation:

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PolarNik [594]
Answer:
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Explanation:
Before we begin, remember the following:
xᵃ * xᵇ = xᵃ⁺ᵇ

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To answer the question, we will simply multiply each term from the first bracket by each term from the second bracket and then combine like terms to get the final expression.

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attashe74 [19]
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8 0
3 years ago
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yuradex [85]

Step-by-step explanation:

11pi/6 in radians.

pi = 180°

so,

pi/6 = 180/6 = 30°.

11pi/6 = 11×pi/6 = 11×30 = 330° or -30°.

the reference angle is the smallest (measured in absolute values) angle to the horizontal (x) axis.

so, that is then 30°.

so, which statements are true, and which are false ?

1.

sin(330°) = -1/2, because the angle is in the 4th quadrant and therefore below the x-axis, which makes the sine values negative.

sin(reference angle = 30°) would be +1/2, but that was not the statement.

so, this statement is false.

2.

the reference angle is 60°.

since we can see that it is actually 30°, this statement is false.

3.

the reference angle is 30°.

yes, that is true.

4.

cos(330°) = sqrt(3)/2.

yes, that is true.

this cosine is on the right side of the y-axis and therefore positive.

5.

tan(330°) = 1.

as tangent = sine/cosine, to be equal to 1 means that sine = cosine. which is not the case here.

this statement is false.

6.

the reference angle is 45°.

no, as 3. had shown, it is 30°.

so, this statement is false.

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