Option A. has roots of x=-1,-2, and 3i
Answer:
250 pizzas
Step-by-step explanation:
We can use the formula 50 = 20/100x. We multiply both sides by 100 to get 5000 = 20x. Now, we divide both sides by 20 to get 250 = x. That means 250 pizzas were made last week.
Alright, so in order to solve this problem, you need to know the formula for compound interest, which is
A= P(1+r/n)^nt
A is the final amount, P is the beginning amount, r is the rate it is being compounded at, n is the number of compounds per year, and t is obviously the time or number of years
Since it is compounded monthly, n will equal 12, as there are 12 months in a year.
Plug in what you have and you get A= 100 (1 + .06/12)^(12)(20)
A=331.02
Answer:
alot
Step-by-step explanation:
im in foot ball so this is easy there is at least 5 ways
The solution to the problem is as follows:
<span>cos2A - cos4A = -2 sin(6A/2).sin(-2A/2) = +2 sin(3A).sinA
and
sin4A - sin2A = 2 cos(6A/2).sin(2A/2) = 2 cos(3A).sinA
Hence RHS = (cos(2A)-cos(4A))/ (sin(4A)- Sin(2A)) = sin 3A / cos 3A = tan 3A = LHS
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