3 years ago

A computer store bought a program at a cost of $20 and sold it at a selling price of $22 find the percent markup

Mathematics

1 answer:

Nesterboy [21]3 years ago

7 0

Answer:

18.03%

Step-by-step explanation:

hope this helps

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What is the simplified form of the following expression? 5√8-√18-2√2

Romashka [77]

Answer:

Option (B) is correct.

To prove

As given the epression in the question is given by

$= 5\sqrt{8} - \sqrt{18} - 2 \sqrt{2}$

Now simplify the above

Terms are written as

$\sqrt{8} = \sqrt{2\times 2\times 2} = 2 \sqrt{2}$

$\sqrt{18} = \sqrt{3\times 3\times 2} = 3 \sqrt{2}$

Put in the above expression.

$= 5\times 2 \sqrt{2} -3 \sqrt{2} - 2 \sqrt{2}$

$= 10 \sqrt{2} -5 \sqrt{2}$

$=5 \sqrt{2}$

$Therefore\ the\ expression\ 5\sqrt{8} - \sqrt{18} - 2 \sqrt{2}\ is\ equivalent\ to\ 5 \sqrt{2} .$

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3 years ago

How old am I if 300 reduced by 3 times my age is 39?

Tanzania [10]

Let your age represent X

300-3x=39

x= 87

you are 87 years old

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3 years ago

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nadya68 [22]

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The temperature at a ski resort was 12°F at 5:00 A.M.

zimovet [89]

22.5 i Hope I’m right

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3 years ago

The area of a sector of a circle with a radius of 4 centimeters is 2.512 square centimeters. The estimated value of π is 3.14. T

butalik [34]

Area = (theta/360)* pi * r^2
where theta is the angle of the sector
subs by your givens in the above equation
2.512 = (theta/360) * pi * (4)^2
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theta = 18 degree

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