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RideAnS [48]
3 years ago
15

The linear function graphed below represents the value of a comic book since Lucy purchased it. What was the value of the comic

book when Lucy bought it?

Mathematics
2 answers:
zhuklara [117]3 years ago
8 0

Answer:

C. $25

Step-by-step explanation:

We will find,

The slope of the function using \frac{y_{2}-y_{1}}{x_{2}-x_{1}}.

Taking the points (1,40) and (2,55).

Slope = \frac{55-40}{2-1}

i.e. Slope = \frac{15}{1}

i.e. Slope = 15

Substituting the slope and point (1,40) in the equation y=mx+b,

We have, 40=15\times 1+b

i.e. b=40-15

i.e. b= 25

Thus, the equation of the linear function is y=15x+25.

<em>This linear function represents the cost of the comic book since Lucy purchased it, where x= years.</em>

So, the initial value of the comic book is when x= 0.

So, y=15\times 0+25 i.e. y= 25

Hence, the cost of the book when Lucy purchased it was $25.

tatyana61 [14]3 years ago
4 0

Answer:

The answer be 25

Step-by-step explanation:

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Hayden will attend a craft show the cost of admission ticket is eight dollars the cost of a raffle ticket for a handmade quilt a
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Step-by-step explanation:

First you need to remove the cost of entrance from the $45 that Hayden has:

= 45 - 8

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3 years ago
The School has budgeted $3,500 for an end- of -year party in the local park. The cost to rent the park shelter is $250. How much
Arisa [49]

Answer:

$5.3

Step-by-step explanation:

<u>1) Ask yourself: How much money is left to spend? </u>

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<em>- Subtract the total money spent on gifts for students: </em>

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2 years ago
What is this property 14-8=2x+8-8<br> 6=2x
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Step-by-step explanation:

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