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musickatia [10]
2 years ago
9

What expression can be used to determine the total cost of buying c pounds of cashews for $3.15

Mathematics
1 answer:
tester [92]2 years ago
5 0

Answer:

A. 3.15c + 0.82f

Step-by-step explanation:

c pounds of cashews for $3.15 = 3.15c

f pounds of flour for $0.82 = 0.82f

then, the expression can be used to determine the total cost is:

A. 3.15c + 0.82f

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Answer:

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Step-by-step explanation:

x^2+2x=-1

Adding 1 to both sides of the equation.

x^2+2x+1=-1+1

x^2 +2x+1=0

Factoring the left side of the equation.

x^2 +1x+1x+1=0

x(x+1)+1(x+1)=0

(x+1)(x+1) = 0

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Taking the square root of both sides of the equation.

\sqrt{(x+1)^2} =\sqrt{0}

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Subtracting 1 from both sides of the equation.

x+1-1=0-1

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3 years ago
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I hope this helped in some way or increased your understanding!
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Y= x+2 -1 if<br> a)y&gt;0<br> b)y&lt;0<br> c)y=0
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A

Step-by-step explanation:

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Step-by-step explanation:

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