An = -2n(n + 3)
a(15) = -2(15)(15 + 3) = -30(18) = -540
Answer:
8/9
Step-by-step explanation:
Find what fraction of their goal they have raised by adding the amounts from last year and this year together:
7/9 + 1/9
= 8/9
So, they have raised 8/9 of their goal
Factors of the given quadratic are irrational. You could say it is
Prime
_____
roots are 3.5±√4.25 ≈ {1.438, 5.562}
Answer:
x - y = 25
Step-by-step explanation:
3x - 4y = 15
-2x + 3y = 10
Add the two equations together
3x - 4y = 15
-2x + 3y = 10
----------------------
x - y = 25
