Step-by-step explanation:
Hey mate..Area of shaded region= 115.5cm^2
What is the first step in estimating 56 x 27?
1 answer:
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Answer:
This is the same as writing 16/270725
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Explanation:
There are 4 ways to draw a queen and 4 ways to select three kings (think of it like saying there are 4 ways to leave a king out). That produces 4*4 = 16 ways total to draw the four cards we want.
This is out of ways to select four cards without worrying if we got a queen and/or king. The steps to finding this number are shown below.
Divide the two values found to get the final answer
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Scratch Work:
Computing the value of
Plug in n = 52 and r = 4 into the combination formula below
We use the nCr combination formula (instead of the nPr permutation formula) because order doesn't matter with card hands.