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zaharov [31]
3 years ago
13

The singing club charged each of its 20 members $2.60 to hire a hall for a performance . The hall owner gave the club $4.50 chan

ge . How much did the club pay to hire the hall
Mathematics
1 answer:
ioda3 years ago
3 0

Here there are 20 members in all.

Each member paid $2.60.

Total amount paid by members = 20 × 2.60 = $52

The club paid $47.50 to hire the hall. ......Answer

Hence the amount received by the hall = 52 - 4.50 = $ 47.50

The Hall charged $47.50 as the fee.

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What is the result of (x^2 – 10x) – (–5x^2 + x)?
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7. A seed company planted a floral mosaic
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Answer:

w = 160, L = 50

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Length = 50 feet

Width = 160 feet

First Find the Length

w = l + 110

P=2w+2l

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7 0
3 years ago
The profit in dollars generated by producing and selling n bicycles per week is given by the formula P(n)=−5n2+400n−6000. What i
Julli [10]
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The minimum number of bicycles that must be produced and sold to break even = 20

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P(n)=-5n^2+400n-6000

To get the minimum number of bicycles that must be produced and sold to break even, let P(n) = 0 (Since break even means no profit is made)

\begin{gathered} 0=-5n^2+400n-6000 \\ 5n^2-400n+6000=0 \end{gathered}

Solve the resulting quadratic equation above

\begin{gathered} 5n^2-300n-100n+6000=0 \\ 5n(n-60)-100(n-60)=0 \\ (5n-100)(n-60)=0 \\ 5n-100=0 \\ 5n=100 \\ n=\frac{100}{5} \\ n=20 \\ n-60=0 \\ n=60 \end{gathered}

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The minimum number of bicycles that must be produced and sold to break even = 20

4 0
1 year ago
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