If you are dealt 4 cards from a shuffled deck of 52 cards, find the probability that all 4 cards are diamonds
1 answer:
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Answer:
3)The example equation becomes "x + 10 - 15x = 20," which is then "-14 x + 10 = 20." Subtract 10 from each side, divide by 14 and you have end up with x = -10/14, which simplifies to x = -5/7. Plug in the x value in to the first equation to find out the y value. y = 2 - 3(-5/7) becomes 2 + 15/7, which is 29/7.
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The answer is √20 or approximately 4.47
We can use the Pythagoreon Theorem, which is .
and
are the names of the two sides, and
is the name of the hypotenuse leg, or the longest side. We will plug the numbers into the formula, and solve:
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