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3 years ago

What's the answer to this equation?

Mathematics

1 answer:

melamori03 [73]3 years ago

7 0

X^2-2x+2 is the same as 1x^2-2x+2

1x^2-2x+2 = 0 is in the form ax^2+bx+c = 0 where
a = 1
b = -2
c = 2

Plug these a,b,c values into the discriminant formula below
D = b^2 - 4ac
D = (-2)^2 - 4*(1)*(2)
D = -4

The final answer is -4

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3 years ago

(20 points) A 2-liter bottle of soda (67.6 ounces) costs $1.89. A case of twelve 12 ounce

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Answer:

Unit price of a 2-liter bottle of soda: $\$0.028\ per\ ounce$
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Step-by-step explanation:

Let be "x" the unit price (price/ounce) of the soda in the 2-liter bottle and "y" the unit price (price/ounce) of the soda in the case of twelve 12 ounces cans.

According to the data provided in the exercise, you know that:

1. The 2-liter bottle of soda is equal to 67.6 ounces.

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Then, the unit price is:

$x=\frac{1.89}{67.6}\\\\x\approx0.028$

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$y=\frac{2.99}{144}\\\\y\approx0.021$

Since:

$y$

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3 years ago

The value of an autographed baseball card increased from $39 to $65 what is the percent increase in value of the baseball card?

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The percent increase is found by finding the difference between the two prices and then dividing that different by the beginning price.

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