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tester [92]
2 years ago
9

Eric and Mark were at a ball game and visited the concession stand. They each got a hamburger, and Mark got a lemonade and some

cotton candy. Eric had a coupon for $2 off the cost. Mark paid the rest, which came to $14.50. Cotton candy costs $5, and a hamburger costs $4. How much is lemonade?
A. $7.50
B. $1.50
C. $4.00
D. $3.50
Mathematics
2 answers:
LenaWriter [7]2 years ago
3 0
Write an out an equation using the information given. So:

8 + 5 + x - 2 = 14.5 
<span>13 + x - 2 = 14.5 </span>
<span>11 + x = 14.5 </span>
<span>x = 3.50

This means that the answer is D.

Hope this helped  :)</span>
ivann1987 [24]2 years ago
3 0
The answer is $7.50
14.50+$2 off=16.50(total price)
16.50-9.0=$7.50
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What is the rate of change in decimal form for the points (1,5) (0,-3)
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Answer:

The rate of change between (1, 5) and (0, -3) would be 8.0.

Step-by-step explanation:

"What is the rate of change between these two points" is the same as asking "what is the slope between these two points".

We are given the two points (1, 5) and (0, -3) and we are asked to find the rate of change (slope) between these two points. To do this, we could use the slope formula to find the rate of change between the two points. The slope formula is:

  • \frac{y_2-y_1}{x_2-x_1}

where (x₂, y₂) and (x₁, y₁) are the two points that we are trying to find the slope between.

Lets make (x₂, y₂) = (1, 5) and (x₁, y₁) = (0, -3). (It does not matter which is (x₂, y₂) and which is (x₁, y₁)). Now plug (x₂, y₂) = (1, 5) and (x₁, y₁) = (0, -3) into the equation:

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The rate of change between the two points would be 8.0.

I hope you find my answer helpful. :)

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