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Wittaler [7]
3 years ago
12

Claire has a small personal business making scented candles. Her startup costs are $200. Her cost to make each candle is $1.50.

She sells each candle for $4.00. Write the cost function of producing x candles.
Mathematics
1 answer:
Svetllana [295]3 years ago
5 0

Step-by-step explanation:

If we assume A = the amount of candles she produces and sells then we can assume this equation.

(4.00×A) - ((A×1.50)+200)

The first part is calculating how much Claire makes at first with her candles being sold while taking account of the amoubt of candles and the cost for making one.

The second part is for the Amount of candles and the cost of starting and the cost of each candle and that amount is the amount Claire will lose and subtracted by the first amount.

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10

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HELP PLS Last year 15 students earned an A in math class. If I had 128 students, what percent of students did NOT earn an A?
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88%

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Answer:

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Step-by-step explanation:

A relation is a function if each input gives exactly one output. There is one price for each number of pounds, so the relation is a function.

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<em>Additional comment</em>

Relations expressed in terms of ordered pairs or tables can be identified as "not a function" if any input (x) value is repeated. Relations expressed as a graph will be "not a function" if any vertical line intersects the graph at more than one point. (This is called "the vertical line test.")

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2 years ago
Which equations support the fact that rational numbers are closed under addition?
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Y is directly proportional ( x+2)² <br> when x = 8 y= 250 <br> find y when x = 4​
sladkih [1.3K]

Answer:

y=90 when x=4

Step-by-step explanation:

We are given that

y\propto (x+2)^2

When x=8 and y=250

We have to find the value of y when x=4

y=k(x+2)^2

Where k= Proportionality constant

Substitute the values

250=k(8+2)^2

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Now, substitute x=4 and k=5/2

Then, we get

y=\frac{5}{2}(4+2)^2

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