(3t² +t -12t - 4)(t+2)=0
(3t³ - 5t² -26t -8) =0
t = -2
4.)
A.)
P = 140
i = 0.05
B.)
140(1.05)^t
C.)
0 = 140
10 = 228.05
5.)
A.) The y-intercept is how much the cell phone cost to purchase.
B.) V means value, t meaning years was replaced by 4, and 31.25 is how much it's worth at that time.
C.) The graph is decreasing, and the value goes down with time.
Answer:
2x^2=3x+2
2x^2-3x-2=0
(x-2)(x+1/2)=0
x=2 or x=-1/2
The sum of 2 solution 2+-1/2=3/2
Step-by-step explanation:
Answer:
the total surface of the box is 486 cm 2
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