3 years ago

How many three letter words can be made from 10 letters if repetition is allowed?

1 answer:

5 0

Presuming we don't care how to pronounce the words and they can repeat we have

10 possible for the first position
10 possible for the second position
10 possible for the third position

So: 10 x 10 x 10 = 10^3 or 1,000 possible words

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Find all values of x in the interval [0, 2π] that satisfy the equation. (Enter your answers as a comma-separated list.)

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Step-by-step explanation:

Given the equation 6 sin2(x) = 3, we are to find the value of x that satisfies the equation in the interval [0, 2π]

Given

6 sin2(x) = 3,

Divide both sides by 6

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Since sin is positive in the second quadrant, x2 = 180-15

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Hence the values within the interval are 15 and 165.

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