3 years ago

A fair die is rolled 3 times what is the probability that is comes up 1 at least Once

1 answer:

4 0

I think it would be 1/2 because the probability out of 1 try is 1/6 and 1/6 times 3 is 1/2

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Vladimir79 [104]

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Vesnalui [34]

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Likurg_2 [28]

Answer:

$Cos(x-\frac{3\pi}{2})=-\frac{7}{25}$

Step-by-step explanation:

Remember that $cos(x-y)=cos(x)cos(y)+sin(x)sin(y)$

Then,

$cos(x-\frac{3\pi}{2})=cos(x)cos(\frac{3\pi}{2})+sin(x)sin(\frac{3\pi}{2})\\$

But $cos(\frac{3\pi}{2})=0$ and $sin(x)=\frac{7}{25}$

Then

$cos(x-\frac{3\pi}{2})=cos(x)*0+\frac{7}{25}*sin(\frac{3\pi}{2})\\=\frac{7}{25}*(-1)=\frac{-7}{25}$

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Dimas [21]

Answer:

A) 250-50+x

B) Yes

C) 5

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worty [1.4K]

5 x 5 = 25
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150cm^2

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3 years ago