Answer:
a
Step-by-step explanation:
Answer: t=√3/5
Step-by-step explanation:
2(1/t^2)-11(1/t^2)+5=0
Open the brackets
2/t^2-11/t^2+5=0
2-11+5t^2/t^2=0
Cross multiply
2-11+15t^2=0(t^2)
2-11+15t^2=0
Collect like terms
2-11=-15t^2
-9=-15t^2
t^2=-9/-15
t^2=3/5
t=√3/5
Answer:
eastern
Step-by-step explanation:
Answer: The store sold 288 tapes last month.
Step-by-step explanation:
Let the number of CDs be x , then the number of tapes is given by the expression : 4x
Also, the total quantity of these two items sold was 360.
Now, we have the following equation :-
The number of CDs sold in last month = 72
The number of tapes sold in last month =
Hence, the store sold 288 tapes last month.