Answer:
= 6.
Step-by-step explanation:
We are given that n(A) = 4, n(B) = 5, and = 3.
And we have to find the value of .
<u>As we know that the union formula is given by;</u>
Now, substituting the values given in the question in the above formula, we get;
Hence, the value of = 6.
Answer:
I believe the answer is substitution
Step-by-step explanation:
Hope this Helps :)
Answer:
8.26
Step-by-step explanation:
Based on the picture, we know that ED is equal to DB. Therefore:
2 times ED=EB
2(10)=20
EB is 20
Answer:
(a + 1)²(a + 7).
Step-by-step explanation:
The original expression:
Factor each denominator:
Factor out
Multiply each term by the opposite denominator and add:
Remove brackets:
The least common denominator is (a + 1)²(a + 7).