For number 8. spencer finished more, the common denominator is 40. so spencer finished:30,40 and simone:16/40
Answer:
0.7.
Step-by-step explanation:
x^2 = 0.7x
x^2 - 0.7x = 0
x(x - 0.7) = 0
x = 0, 0.7.
Answer
12/13
Step-by-step explanation:
1/2+1/3+1/4=?
6/12+4/12+3/12=?
13/12
Reciprocal is 12/13
The last choice is the reason, but to add to this, you are taking a value and breaking it into groups of 100( which is 10 groups of 10). Each place value in our decimal system naturally is based on a system of tens! Dividing by 100, is 2 groups of tens (2 decimal moves).
-20.85+15.50=-5.35,
basically, you still own the bank 5.50 dollars
