2 years ago

The original price of an xbox was $500. Now it is on sale for $330. What percentage of the original price was the markdown?

Mathematics

1 answer:

ANTONII [103]2 years ago

8 0

Answer:

66%

Step-by-step explanation:

(330/500)x100

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satela [25.4K]

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2 years ago

2x^{3}+30xx^{2} +72x=0 solve using zero product property

Goshia [24]

Answer:

Values of x are: x=0 or x=-3 or x=-12

Step-by-step explanation:

The equation given to solve using zero product property is $2x^3+30x^2+72x=0$

Zero property rule states that if ab=0 then a=0 or b=0

Taking x common from the equation:

$2x^3+30x^2+72x=0\\x(2x^2+30x+72)=0\\$

Applying zero product rule

$x(2x^2+30x+72)=0\\x=0 \ or \ 2x^2+30x+72=0$

Now, solving $2x^2+30x+72=0$

Using quadratic formula to find value of x

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

Putting values

$$x=\frac{-30\pm\sqrt{(30)^2-4(2)(72)}}{2(2)}$\\$x=\frac{-30\pm\sqrt{324}}{4}$\\$x=\frac{-30\pm18}{4}$\\$x=\frac{-30+18}{4} \ or \ x=\frac{-30-18}{4}$ \\x=-3 \ or \ x=-12$

So, Values of x are: x=0 or x=-3 or x=-12

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3 years ago

HELP ME: Lee works at a job where her pay varies directly with the number of hours she works. Her pay for 6.5 hours is $49.40. W

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Answer: 90$

Step-by-step explanation:

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2 years ago

The sum of all digits in the numbers 44, 45 and 46 is 27 because (4+4)+(4+5)+(4+6)=27. Find the sum of digits in the first 25 co

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Answer:

The sum of all digits in the first 25 counting numbers is 127

Hope this helps

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3 years ago

How many time does 80 go into 170

Mice21 [21]

170 divided by 80 is 2.125, so 80 goes in 170, 2.125 times

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3 years ago