This is an easy one!
Answer = 20.
(18/20) x 100 = 90%
So, 20 questions!
Answer:
7.38
Step-by-step explanation:
A proportion could be:
x divided by 41 must equal 18%, or
x/41=18/100
To solve, cross multiply
100*x=41*18
100x=738
Divide by 100 on both sides
x=7.38
Hope this helps! :)
Answer:
No solution
Step-by-step explanation:
If we substitute the y into the equation, we get 9x+3(-3x+4)=-7
If we distribute the 3, we get 9x-9x+12=-7
This then cancels out both 9x's and we are left with 12=-7, making it no solution.
Answer:
2261.46
Step-by-step explanation:
51142% = 5114200
√ 5114200 = 2261.46
Answer:
A. (U+V)^2 or (U-V)^2
Step-by-step explanation: