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3 years ago

Y+5=-11 What does y equal?

Mathematics

1 answer:

Brut [27]3 years ago

8 0

Y+5=-11
-5 -5
Y= -16

Answer:-16

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3 years ago

Factor p^4-81 completely showing all work.

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$p^4-81=(p^2)^2-9^2=(p^2+9)(p^2-9)=(p^2-9(-1))(p+3)(p-3)\\=(p^2-9i^2)(p+3)(p-3)\\=(p+3i)(p-3i)(p+3)(p-3)$

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3 years ago

A number is picked randomly in the range [0,7]. What is the probability that the number picked is between 3 and 5? What is the p

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(1) 0.125

(2) 0.125

Step-by-step explanation:

The total number of possible outcomes is:

N = 8

(1)

Compute the probability that the number picked is between 3 and 5 as follows:

Number of Favorable outcomes = 1

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P (Number picked is between 3 and 5) = 1/8 = 0.125

Thus, the probability that the number picked is between 3 and 5 is 0.125.

(2)

The number usually picked appears to be in in the range [3,5], i.e. the numbers could be, {3, 4 or 5}.

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Thus, the probability that the number picked is less than 4 knowing that the number usually picked appears to be in in the range [3,5] is 0.125.

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3 years ago

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