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Drupady [299]
2 years ago
10

Suppose that y is inversely proportional to the 4th power of x, and that y=16 when x=6. What is y when x=3? Round your answer to

two decimal places if necessary.
Mathematics
2 answers:
Ede4ka [16]2 years ago
7 0
Please I’m I right ??

Alexeev081 [22]2 years ago
4 0

Answer:

<u>y = 1</u>

Step-by-step explanation:

<u>Given</u>

  • y ∝ x⁴

⇒ y = kx⁴

<u>Finding the proportionality constant, k</u>

  • y = 16 and x = 3
  • 16 = k (6)⁴
  • 16 = 1296k
  • k = 16/1296
  • k = 1/81

<u>Finding y</u>

  • y = 1/81 x (3)⁴
  • y = 1/81 x (81)
  • <u>y = 1</u>
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ivolga24 [154]

Answer:

4 feet

Step-by-step explanation:

that's the right answer

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3 years ago
A Game of Thrones fan predicts there is a 70% chance that her favorite character will survive the next season and a 75% chance t
zepelin [54]

Answer:

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  • <u>This kind of probability is called conditional probability</u>

Explanation:

Name the events and their probabiities:

  • Event  A: her favorite character will survive, so P (A) = 0.70

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You want to find P (B | not A).

That is the probability of the succes B (the second favorite character will die) given other event (not A or the first favorite character dies) is certain (it happens) and that is called conditional probability.

  • P (not A) is the complement probability of A, so P (not A) = 1 - P(A) = 1 - 0.7 = 0.3

So, you have P(B), P(not A) and want to find P (B | not A)

The definition of conditional probability is:

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Step-by-step explanation:

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