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BARSIC [14]
3 years ago
11

Four brothers each bought two hot dogs and a bag of chips at the football concession stand. If the bag of chips was 1.25, and th

e total was 18.20, what was that price of one hat dog?
Mathematics
1 answer:
SSSSS [86.1K]3 years ago
6 0

Answer:

  $1.65

Step-by-step explanation:

If h is the price of a hot dog, then the total bill was ...

  4(2h +1.25) = 18.20

  2h +1.25 = 4.55 . . . . . . divide by 4

  2h = 3.30 . . . . . . . . . . . subtract 1.25

  h = 1.65 . . . . . . . . . . . . . divide by 2

The price of one hot dog was $1.65.

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4 0
3 years ago
Read 2 more answers
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6 0
3 years ago
Can someone please explain how to do this.
lutik1710 [3]
Set the to equal:

x^2 - 4x+4 = 2x-4
 solve for X

subtract 2x from each side:
x^2 -6x + 4 = -4

subtract 4 from each side:

x^2 -6x = -8

add 8 to both sides:

x^2 -6x +8 = 0

factor the polynomial:

x = 4 and x = 2

using the line equation replace x with 2 and 4 and solve for y

y = 2(2) - 4 = 0
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so the 2 points the line  crosses the curve is (2,0) and (4,4)

using those 2 points you can calculate the length:
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distance = sqrt( (4-2)^2 + (4-0)^2)

distance = sqrt (2^2 + 4^2)
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= sqrt 20 
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4 0
2 years ago
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