Answer:
positive 3
Step-by-step explanation:
-8 + 11 is 3. the other way you can think of it is by subtracting 8 from 11.
Answer:
7 1/2 minutes
Step-by-step explanation:
When the time with both faucets is a submultiple of the time with one faucet, you can use this sort of reasoning to figure the missing time.
Filling the tub in 5 minutes is equivalent to having 3 faucets open, each of which can fill the tub in 15 minutes. Since we know the cold water faucet can fill the tub in 15 minutes, the hot water faucet is equivalent to two open 15-minute faucets. That is, it can fill the tub in 15/2 = 7 1/2 minutes.
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Perhaps a more conventional way to approach the problem is to consider "tubs per minute." The cold faucet runs at 1/15 tubs per minute, and the two faucets together run at 1/5 tub per minute. Then the hot runs at ...
(1/5) - (1/15) = (3 -1)/15 = 2/15 . . . tubs per minute
So it will fill 2 tubs in 15 minutes, or 1 tub in 7 1/2 minutes.
Answer: 18 baskets
Explanation:
Let n = number of baskets that can be filled so that the baskets are identical and there are no eggs left over
Each color of eggs divisible by n must be equal to each other
18 green eggs, 36 red eggs and 54 blue eggs
18/n = 36/n = 54/n
Using logic and plug in method
All of them are divisible by 2, 3, 6, 9 and 18
The greatest is 18.
18 is therefore the greatest number of baskets that you can fill so that the baskets are identical and there are no eggs left over.
Another method is to use HCF among the 18 green eggs, 36 red eggs and 54 blue eggs.
This means that each basket will contain 1 green egg, 2 red eggs and 3 blue eggs.
Answer:
<h2>10.9955742876</h2>
Step-by-step explanation:
Circumference is 2r × Pi. Circumference of half is 2r × Pi / 2
