Answer:
(-4,27)
Step-by-step explanation:
Let combine each equations
We know 4 is a root already so this means that our next root have to be
So set the quotient equal to zero.
Plug -4 into one of the equations.
Do a proportion first
64/200= x/100
cross multiply and divide now
64 x 100= 6,400
now do 6, 400 divided by 200
Answer is 32 percent
Answer:
Interest rate is 5.25% a year.
Step-by-step explanation:
r = (1/54)((22252.5/18000) - 1) = 0.004375
r = 0.004375
Convert decimal to percentage
R = 0.004375 * 100 = 0.4375%/month
Calculate annual rate
0.4375%/month × 12 months/year = 5.25% per year.
Answer:
to convert a fraction to a decimal, divide the numerator by the denominator