exam
Maths Puzzle
Numerical Ability
Can someone please help me solve this problem?
3-a-4/a+3=a^2-2/a+3
Thank you.
Read Solution (Total 0)
exam Other Question
Multiply then simplify the radical expression:
sqrt7(2sqrt3 + 3sqrt7)
I believe it starts with what is inside the parenthesis first:
2sqrt3 + 3sqrt7= 5sqrt10
7 * 5 = 35
7 * 10 = 30
35sqrt30?
If a car travels 20 km per hour between two cities. How fast must the car travel to average 40 km per hour for the round trip