The only possibility would be 1
Answer:
Step-by-step explanation:
√3/2
D. 4(2-x)
This is the correct answer.
Step-by-step explanation:
Number of combinations
= 5C2 * 7C3
= 10 * 35
= 350.
Hence there are 350 possible ways.
P.S.
5C2 = 5! / (2!3!) = 120 / (2 * 6) = 10.
7C3 = 7! / (3!4!) = 5040 / (6 * 24) = 35.
So,
120 gal./min.
There are 4 qt. in a gal.
Multiply 120 by 4.
120(4) = 480 qt.
The pool is being drained at a rate of 480 qt./min.
Now, since there are 60 min. in an hr., multiply 480 by 60.
480(60) = 28,800 qt./hr.
The pool is being drained at a rate of 28,800 qt./hr. (quarts per hour)
