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NeX [460]
2 years ago
10

1. Find the radian measure for 150 degrees.

Mathematics
2 answers:
Andrews [41]2 years ago
7 0

Step-by-step explanation:

1)150° 's radian measure

\rm \implies150 \: Deg × π/180 = 2.618 \: Radians

2)π/2 's degree measure

\rm \:  \implies \: π/2 × 180/π= 180/2 = 90  \: degrees

Basically,we need to use formulas to solve these type of sums.

Nutka1998 [239]2 years ago
5 0

Answer:

Step-by-step explanation:

1. 150 * π/180

= 150π/180

= 5π/6

=2.62

2. π/2

π/2 * 180/π

= 90 degrees

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Answer:

The probability the he or she will answer correctly is 1.5%

Step-by-step explanation:

In all, there are 18 problems. In this question, the order of which the problems are sorted for the quiz makes no difference. For example, if the question A of the quiz is P1 and question B P2, and question A P2 and question B P1, it is the same thing.

There are 18 problems and 9 are going to be selected. So, there is going to be a combination of 9 elements from a set of 18 elements.

A combination of n elements from a set of m objects has the following formula:

C_{(m,n)} = \frac{m!}{n!(m-n)!}

In this question, m = 18, n = 9. So the total number of possibilities is:

T_{p} = C_{(18,9)} = \frac{18!}{9!(18-9)!} = 48620

Now we have to calculate the number of desired outcomes. This number is a combination of 9 elements from a set of 13 elements(13 is the number of problems that the student has figured out how to do).

Now, m = 13, n = 9. The number of desired possibilities is:

D_{p} = C_{(13,9)} = \frac{13!}{9!(13-9)!} = 715

The probability is the number of desired possibilities divided by the number of total possibilities. So

P = \frac{715}{48620} = 0.015 = 1.5%

The probability the he or she will answer correctly is 1.5%

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3 years ago
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Fiesta28 [93]

Answer:

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Step-by-step explanation:

hope it helps

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The actual block is 1800 feet long and 1260 feet wide. We know that 1 foot is equivalent to 12 inches.

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3 years ago
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