3 years ago

What is the probability of not rolling a 4. On a standard number cube?

1 answer:

7 0

2 I believe, there are 6 possibilities on a die, 1-2-3-4-5-6. 4 is one of those numbers. Any of the sides could be rolled so each has a probability of 1 out of 6. 1/6 is your answer.

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If A = 30° and r = 12, find x. (Round your answer to the nearest whole number.)

Margaret [11]

Answer:

$\boxed{12}$

Step-by-step explanation:

A = 30° and r = 12

$\sin A = \frac{r}{r + x}$

$\sin 30 = \frac{12}{12 + x}$

$\frac{1}{2} = \frac{12}{12 + x}$

$1(12 + x) = 2(12)$

$12 + x = 24$

$x = 24 - 12$

$x = 12$

Happy to help :)

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Step-by-step explanation:

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I honestly prefer trig. so a is the opposite side of the 30 deg and 12 is the hyp. This should scream sine to you since sine goes with opposite/hypotenuse.

sin(30 deg)=a/12

Multiply both sides by 12

giving a=12 sin(30)

Type into calculator unless you know your unit circle well.

a=6

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A survey of 80 students found that 24 students both play in the band and play a sport. But 22 students are not in band and do no

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Step-by-step explanation:

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The first one is 0 slope.

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Step-by-step explanation:

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3 years ago

What is the probability of not rolling a 4. On a standard number cube?￼

What is the probability of not rolling a 4. On a standard number cube?