X^2 + kx + 15 = 0
3^2 + 3k + 15 = 0
9 + 3k + 15 = 0
24 + 3k = 0
3k = -24
k = -24/ 3
k = -8
Answer:
We know that all cube's sides are the same, so 10^3 = 1000 cm3 = 1000 ml = 1L
Step-by-step explanation:
Have a great day :)
The first place can be filled in 40 ways.
The second place can be filled in the remaining 39 ways.
The third place can be filled in the remaining 38 ways.
Therefore, the total number of ways in which the forty entries in the science fair can finish in first, second, and third place is given by
.
7,680 cubic inches ;) Hope this helps!