(3r)/(r-5) = (r+2)/(r+3)
(3r)(r+3)=(r-5)(r+2)
3r^2 +9r= r^2-3r-10
2r^2+12r+10=0
2(r^2+6r+5)=0
2(r+5)(r+1)=0
r=-1 or r=-5
Answer:
D
Step-by-step explanation:
EVerytime you do exponents its positive
Answer:
See attached graph
Step-by-step explanation:
The function is given as :
y = -2cos(21x)
Answer:
4
Step-by-step explanation:
okay since there was a 50% INCREASE, 6 is (100%+50%) greater than last months amount.
100%+50%=150%=1.5
let's say that x is last months amount
6=1.5x
x=6/1.5
x=4
There were 4 musicians in the band last month.