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3 years ago

15

Heidi makes stuffed toys. The initial cost for the raw material is $100 for 30 stuffed toys. Every stuffed toy she makes earns h

er $10. Which graph represents the profit made by Heidi for x number of stuffed toys sold?A.
B.

C.

D.

1 answer:

Delicious77 [7]3 years ago

6 0

Step-by-step explanation:

I think it is 10x but there are no options tho

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Answer:

Step-by-step explanation:

If the new fraction is 8/12 I will show how to find it.

Let's say the original denominator is x, then the numerator is x-4, so we have (x-4)/x.

Then it says f we add 4 to both, so now we have x/(x+4) this equals 8/12. Now, keep in mind -4 cannot be an answer because it would make x/(x+4) be divided by 0 which wouldn't exist.

Now we just use algebra.

x/(x+4) = 8/12

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Answer:

$m= \frac{r_2 -r_1}{t_2 -t_1}= \frac{2000000-1000000}{14-4}=100000$

And then we can use for example the first point $(t_1, r_1) = (4, 1000000)$ to find the intercept:

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So then the linear model for this case should be:

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Step-by-step explanation:

For this case we want to find a linear model given by:

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Where r = represent the number of readers , t= years after 2000

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For this case we can define the following points from the data given:

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$(t_2, r_2) = (14, 2000000)$ 14 years after 2000

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And then we can use for example the first point $(t_1, r_1) = (4, 1000000)$ to find the intercept:

$1000000= 100000*4 + b$

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So then the linear model for this case should be:

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