Help is this correct !!!??
1 answer:
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An angle bisector divides an angle into equal parts.
<em>The value of x is 7</em>
The given parameters are:
Line AE is the angle bisector of
This means that:
So, we have:
Divide both sides by 2
Subtract 2 from both sides
Divide both sides by 9
Rewrite as:
Hence, the value of x is 7
Read more about angle bisectors at:
Answer:
There are 3,659,040 ways he can choose the books to put on the list.
Step-by-step explanation:
There are
12 novels
8 plays
12 nonfiction.
He wants to include
5 novels
4 plays
2 nonfiction
The order in which the novels, plays and nonfictions are chosen is not important. So we use the combinations formula to solve this problem.
is the number of different combinations of x objects from a set of n elements, given by the following formula.
How many ways can he choose the books to put on the list?
Novels:
5 from a set of 12. So
Plays:
4 from a set of 8. So
Nonfiction:
2 from a set of 12
Total:
Multiplication of novels, plays and nonfiction.
There are 3,659,040 ways he can choose the books to put on the list.