What is the slope of the line that passes through the points (3, 2) and (-1, 2) ?
1 answer:
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Answer:
Probability to pick 4 tiles which spell CATS will be .
Step-by-step explanation:
We have 8 scrabble tiles A, B, C, D, R, S, T, U in a bag.
Probability to pick 4 tiles C, T, A, and S out of 8 tiles =
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= 70
So we can choose C, T, A and S tiles in 70 different ways but the probability to pick 4 tiles which spell CATS will be
=
Therefore, probability to pick 4 tiles which spell CATS will be .
Answer: C) x = 3, (x = 2 is an extraneous solution)
<u>Step-by-step explanation:</u>
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Restrictions: <em>Denominator cannot equal zero</em> (x - 1 ≠ 0) and (x - 2 ≠ 0), so x ≠ 1 and x ≠ 2
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x(x - 2) - 1(x - 1) = 2x - 5
x² - 2x - x + 1 = 2x - 5
x² - 3x + 1 = 2x - 5
<u> -2x + 5</u> <u>-2x + 5 </u>
x² - 5x + 6 = 0
(x - 2)(x - 3) = 0
x - 2 = 0 x - 3 = 0
x = 2 x = 3
NOTE: x = 2 is an extraneous solution because it is one of the restricted values.