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Alexandra [31]
3 years ago
5

At a baseball game, Sheena bought a sandwich for $6.95 and two pretzels for $2.75 each. She paid with a $20 bill. How much chang

e did she receive? Explain your thinking. *
Mathematics
2 answers:
Ganezh [65]3 years ago
6 0
It’s 7.55 left over from the 20 bucks
elixir [45]3 years ago
5 0

Answer:

$7.55

Step-by-step explanation:

6.95+2.75+2.75=12.45

20-12.45=7.55

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nekit [7.7K]

To solve this equation, let's factor the left side.

Although you can factor it in different ways, I will show you a trick.

First, forget about the 3 and we have x² - 8x + 5.

Now, multiply the 3 by the constant to get 15.

So we have x² - 8x + 15.

Now factor to get (x - 5)(x - 3).

Now divide each of the constants in the

binomials by the leading coefficient, 3.

So we have (x - 5/3)(x - 3/3).

Simplify to get (x - 5/3)(x - 1).

Now move any denominators in front of the x in the binomial.

Moving the 3 in front of the x, we have 3x.

So our answer is (3x - 5)(x - 1) = 0.

So either 3x - 5 = 0 or x - 1 = 0.

Solving from here, we get x = 5/3 or x = 1.

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3 years ago
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Vedmedyk [2.9K]
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Norma-Jean [14]

Answer:

the 3rd one,

Step-by-step explanation:

Because it is the 3rd one

7 0
2 years ago
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Nata [24]
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3 years ago
The pair of variables x=5, y=7 is the solution to the equation ax–2y=1. Find the coefficient a.
Wewaii [24]

Answer:

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Step-by-step explanation:

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3 years ago
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