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Anit [1.1K]
3 years ago
10

There are two drains in a swimming pool. Drain A empties the pool ALONE in 4.75 hours. When both drains are on it takes 2.6 hour

s to drain the pool. How long would it take Drain B to empty the pool ALONE.

Mathematics
1 answer:
cluponka [151]3 years ago
7 0

Answer:

5.74 hours

Step-by-step explanation:

Please kindly check the attached files for explanation.

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What am I suppose to do here? What is High range and Low range?
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2 years ago
Read 2 more answers
Write a recursive rule for an= Зn — 6.
mart [117]

Answer:

Explicit formula: a(n)=3n-6

Recursive formula: a(n)=-3+(n-1)3 <--

Step-by-step explanation:

a(n)=3n-6 where a(1)=3(1)-6=-3 and d=3

<u>Plug values into recursive formula:</u>

a(n)=a1+(n-1)d

a(n)=-3+(n-1)3

8 0
3 years ago
Mary Stahley invested $2500 in a 36-month certifi- cate of deposit (CD) that earned 8.5% annual simple interest. When the CD mat
nata0808 [166]

9514 1404 393

Answer:

  $13,916.24

Step-by-step explanation:

First, we need to find the value of the CD at maturity.

  A = P(1 +rt) . . . . simple interest rate r for t years

  A = $2500(1 +0.085·3) = $2500×1.255 = $3137.50

__

Now, we can find the value of the account with compound interest.

  A = P(1 +r)^t . . . . . rate r compounded annually for t years

  A = $3137.50 × 1.18^9 = $13,916.24

The mutual fund was worth $13,916.24 after 9 years.

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2 years ago
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