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3 years ago

Evaluate the following expression. 3×9+10× {36}{6}

Mathematics

1 answer:

Misha Larkins [42]3 years ago

3 0

Hello there.

3×9+10×

Answer: 36

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3 years ago

Simplify the expression. 10C7 A. 1 B. 3,628,800 C. 604,800 D. 120

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Combination

Step-by-step explanation:

Here by 10C7 we actually mean, $C_{7}^{10}$

And the formula for evaluating mCn is

$=\frac{m!}{n!*(m-n)!}$

Therefore

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Where m! is called m factorial and can be evaluated as

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Hence

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7!= 7*8*6.....3*2*1

3!=3*2*1

With these we can evaluate

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$=\frac{10*9*8*7*.....3*2*1}{(3*2*1)*(7*6*5....3*2*1)}\\=\frac{10*9*8}{3*2*1} \\=\frac{10*3*4}{1} \\=120$

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3 years ago

Evaluate the following expression. 3×9+10× {36}{6} ​

Evaluate the following expression. 3×9+10× {36}{6}