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3 years ago

The pizza was cut evenly into 10 slices someone ate 40 percent of the pizza how many slices were eaten

Mathematics

1 answer:

Bond [772]3 years ago

8 0

10 x .40

So 4 pieces were eaten

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What is the value of 'x'?

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3 years ago

The product of (4z^2 + 7z - 8) and (-z + 3) is -4z^3 + xz^2 + yz - 24. What is the value of x? What is the value of y?

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$x=5+\frac{29}{z}-\frac{y}{z}$

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Given: $(4z^2+7z-8)(-z+3)=-4z^3+xz^2+yz-24$ ; find x and y.

Let's start with finding x first. Let's distribute the left side of the equation.

$-4z^3+5z^2+29z-24=-4z^3+xz^2+yz-24$

Let's move everything we can to the left side of the equation. Some things will cancel out.

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$xz^2=5z^2+29z-yz$

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$x=5+\frac{29}{z}-\frac{y}{z}$

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$yz=5z^2+29z-xz^2$

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