Answer: 3√-20 = 3√20√-1 = (3√20)i
Step-by-step explanation:
√-20 can be written √20√-1 since
(√20√-1)^2 is indeed -20.
Rounded to the nearest cent which I would assume is the nearest hundredth, the answer is 1.12
This is the concept of Algebra, the number of books Samantha has will be:
Number books Deanne has is d
Number of books Samantha has 4d+3
Answer: Samantha has (4d+3) books
Since the denominator is the number on the bottom, we need to find a common denominator for a and 5a^2. Since a*5a is 5a^2, we have a common denominator - 5a^2! For the fractions, that means that since a*5a=5a^2, we have to multiply -7 by 5a to get -35a/5a^2-9/5a^2=(-35a-9)/5a^2