Answer:
6x-9 = 6x -9
infinite solutions as they are the same equation.
You find the rates of each computer on its own...
One does the job in 55 minutes which we can say is 1/55
The other has a rate of 1/45.
The question wants to know how long it would take both working simultaneously to complete the job...
t/55+t/45=1
(9t+11t)/495=1
20t=495
t=24.75 minutes (24:15)
Answer:
p≤11
that's all i got from the delta math thing
Answer:
c , a
Step-by-step explanation:
When the denominator of power is even, the expression should not be negative. there is no limit for odd denominator. so A,C are real.
Answer:
IQR = 8
Step-by-step explanation:
IQR is the difference between the 3rd quartile (12 in this case) and the 1st quartile (4 in this case)
