Answer:
what?
Step-by-step explanation:
Combined work problems
job/time + job/time = job/ total time
(1/80) + (1/100) = 1/T
(10/800) + (8/800) = 1/T
18/800 = 1/T
800/18 = T
44.44 hrs = T
This is the sum of cubes which factors to:
(x+2)(x^2-2x+4)
Answer:
4x²+12x+9
Step-by-step explanation:
1. 2x times 2x = 4x²
2. 2x times 3 = 12x
3. 3 x 3 = 9 or 3² also equals 9
The answer is no
I just calculated rates for each sister by getting the total money saved and divided by number of weeks! In order to see how much money they are making each week.
This can be shown like this
28/8=3.5
18/24=.75
As you can see the rates are not the same
