2.5 is the answer because you need to divide 80 by 32 to get the answer 2.5. so now multiply 2.5 by 32 and if you get 80 that means your answer is correct
Answer:
18.84
Step-by-step explanation:
We have to use the circumference formula: pi x r x 2. The diameter is 6, so the radius is 3. 3.14 is pi in this scenario. 3.14 x 3 x 2 = 18.84
The answer is 3400 or 3684
Answer: Time taken by pipe C to empty the tank = 5 hours.
Step-by-step explanation:
Pipe A can fill a tank in 5 hours.
Let time taken by Pipe C = x ( hours)
Time taken by Pipe B = x-2 ( hours)
Now, with all 3 pipes open, it takes 3 hours to fill the tank, it can be represented as

Time cannot be negative,
So, x=5
Thus, Time taken by pipe C to empty the tank = 5 hours.
No, 14 is not a prime number, it is a composite number.