Answer:
42
Step-by-step explanation:
39+39 = 78
162 - 78 = 2 lengths =84
84/2 = 42
Maybe write it down, like how you see other math problems.
And then solve it!
:D
Answer:
The discriminant is the part under the square root in the quadratic formula, b²-4ac. If it is more than 0, the equation has two real solutions. If it's less than 0, there are no solutions. If it's equal to 0, there is one solution.
Step-by-step explanation:
Answer:
2/8
Step-by-step explanation:
There are 2 green marbles.
In all, there are 8 marbles.
So, the probability is 2/8.
Answer:
lots of multiplying I've noticed