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jeka57 [31]
2 years ago
9

A store sells packages of comic books with a poster. A poster and 5 comics cost ​$15.75 A poster and 11 comics cost ​$27.75 Writ

e a linear function rule that models the cost y of a package containing any number x of comic books.
Mathematics
1 answer:
Vanyuwa [196]2 years ago
8 0

Answer:

y=x+5.99

Step-by-step explanation:

A poster and 2 comics cost ​$7.99

(2,7.99)

A poster and 11 comics cost ​$16.99.

(11,16.99)

Let y be the cost of package and x be the no. of comics

We will use two point slope form :

(x1,y1) = (2,7.99)

(x2,y2) = (11,16.99)

Formula :

y-y1 = y2-y1/x2-x1(x-x1)

Substitute the values:

Hence a linear function rule that models the cost y of a package containing any number x of comic books is y=x+5.99

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Same as the car one

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when it is a decay, make r negative
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A=23781e^(-0.032*17)
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8 0
3 years ago
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Toby wants to buy 2 concert tickets that cost $19 each. His makes $4.75 an hour while he mows lawns. How many hours will he need
nikitadnepr [17]
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Now, he makes, $4.75 in an hour.
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Hope this helps!
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How many solutions does the following equation have?
IrinaK [193]
Answer:
Exactly one solution

Explanation:
The first step we need to take to find the answer is to find the value of y.

7(y+3)=5y+8
Expand the parentheses
7y+21=5y+8
Subtract both sides by 21
7y+21-21=5y+8-21
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Subtract both sides by 5y
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Divide both sides by 2
2y/2=-13/2
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Now, we plug y back into the original equation.

7(y+3)=5y+8
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Expand the parentheses
-45.5+21=-32.5+8
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Because both sides of the equation is equal and the equation is true, we can conclude that the equation has one solution.

I hope this helps!
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