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pav-90 [236]
3 years ago
6

What am I supposed to do?

Mathematics
1 answer:
aleksley [76]3 years ago
6 0
You take the amount paid and divide it by the amount of cheese. So 10.50 divided by 2.5 equals 4.2 and 12.60 divided by 3 equals 4.2 meaning that one pound of cheese costs $4.20
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Answer:

  (x, y) = (3, 2)

Step-by-step explanation:

The attached graph shows the solution.

  (x, y) = (3, 2)

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2 years ago
What are the zeros of f(x) = x2 + x - 20?
jeyben [28]

Answer:

x = - 5, x = 4

Step-by-step explanation:

Given

f(x) = x² + x - 20

To find the zeros equate f(x) to zero, that is

x² + x - 20 = 0

Consider the factors of the constant term ( - 20) which sum to give the coefficient of the x- term ( + 1)

The factors are + 5 and - 4, since

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Equate each factor to zero and solve for x

x + 5 = 0 ⇒ x = - 5

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8 0
3 years ago
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user100 [1]

Answer:

x=5+\sqrt{12}

or

x=5-\sqrt{12}

Step-by-step explanation:

x^2-10x+13=0

x^2-10x=-13

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x^2-10x+(5)^2=-13+(5)^2

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(x-5)^2=12

Extract the square root.

x-5=\frac{+}{} \sqrt{12}

Add 5

x=5+\sqrt{12}

or

x=5-\sqrt{12}

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Ostrovityanka [42]
Sure the answer is 2 4.5
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vodka [1.7K]

answer for this question is (d)3x2-x+6

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