exam
Maths Puzzle
Numerical Ability
Perform the indicated operation
(6x^2 + 7x - 8)-(-9x^2 + 10)
a)-3x^2 + 7x + 2 b)15x^2 + 7x - 18 c)15x^2 - 3x - 8 d)-3x^2 - 3x - 8
Read Solution (Total 0)
exam Other Question
Sarah has determined that she takes in about 3000 calories a day. She wants to lose 25 pounds in about 12 weeks. Her doctor suggests a minimum of 2000 calories per day for a diet.
2p-q=2
2p+3q=22
Equation 1 2p-q=2 Multiply by 3 so, 6p-3q=6
6p-3q = 6
2p+3q = 22
-------------
8p = 28/8
p = 3/8?? looks wrong from here.