The circle below is centered at the point ( 4, -3) and has a radius of length 3. Whats its equation?
1 answer:
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L = rate of the large hose
S = rate of the small hose
we know the sum of their rates deliver the swimming pool filled up in 35 minutes, thus L + S = 35.
now, the large hose can do it in 60 minutes, that means that in 1 minute, the large hose has only done 1/60 th of the work.
the small hose can do the whole thing in S minutes, that means in 1 minute it has only done 1/S th of the whole work.
and since both of them working together can do it in 35 minutes, then in 1 minute they both have done 1/35 th of the whole job.
Answer:
$8.75
Step-by-step explanation:
It is given that,
Roger sells 23 necklaces at a fair a total of $ 201.25.
We need to find the price of 1 necklace. We can use unitary method to find it.
23 necklaces = $201.25.
For cost of 1 necklace, divide $201.25 by 23 as follows :
So, the cost of 1 necklace is $8.75.