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luda_lava [24]
3 years ago
14

What is the name of the angle A) Please explain

Mathematics
1 answer:
rusak2 [61]3 years ago
8 0

Answer:

right angle

Step-by-step explanation:

angle a) is a right angle since you can see that little box. The box indicates that it measures 90 degrees and 90 degrees is a right angle

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A jury pool consists of 50 potential jurors and how many ways can a jury of 12 be selected
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Solution:

we are given that

A jury pool consists of 50 potential jurors.

Wee have been asked to find the number of ways can a jury of 12 be selected.

As we know from the concept of combination that r person can be selected out of n in ncr ways. where

n_C_r=\frac{n!}{r!(n-r)!}

Now substitute the values we get

{50}_C_{12}=\frac{50!}{12!(50-12)!}\\
\\
{50}_C_{12}=\frac{50!}{12!38!}\\
\\
{50}_C_{12}=121399651100\\

Hence the required number of ways is 121399651100

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