Answer:
800
Step-by-step explanation:
1.35x = 1080 -->
x = 1080/1.35 -->
800
Easy, 2 times 4/5 is 2/1 time 4/5 = 8/5 or 1 3/5
Answer:
u^2-2u-15 = 0
Step-by-step explanation:
If you make the substitution ...
u equals x Superscript negative 1 Baseline
then you can rewrite the equation as shown above.
Answer:
6.3%
Step-by-step explanation:
so 5.607 = x% * 89
to find the percent u need to divide : 5.607/89 which is : 0.063
to convert 0.063 to a percent multiply 0.063 by 100 = 6.3%
check :
6.3% *89 = 5.607