An imaginary number " i " is the squared root of -1, so whenever you square i it's like squaring a squared root. The squared root would cancel and you would be left with just the number under it, that is, the -1.
i ^ 2 = -1
Answer:
Take the numbers 50 and 30. Their greatest common factor is 10, since 10 is the greatest factor that both numbers have in common. To find the GCF of greater numbers, you can factor each number to find their prime factors, identify the prime factors they have in common, and then multiply those together.
Step-by-step explanation:
Answer:
graph A
Step-by-step explanation:
if you use the substitution method is graph A
855=95d
855 minutes is equal to 95 minutes times the number of days run
Answer: 19.63
Step-by-step explanation:
A = pir^2 , pi*2.5^2 = 19.63
