3 years ago

A comic book cost 3.99 it is marked up to 45% what is the final prices of the comic book after it is marked up ?

Mathematics

1 answer:

wolverine [178]3 years ago

8 0

Answer:

Your answer will be C. $5.79.

Step-by-step explanation:

To get this answer, you have to take the original price (3.99) and multiply it by the mark up (45%)

3.99x0.45=1.79

Then, you add 3.99 and 1.79 to get your final answer.

3.99 + 1.79 = 5.78

The answer is off by one penny, BUT, it's tricky to get it exact when you're working with decimals and percentages.

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Find the perimeter of a regular heptagon with consecutive vertices at "A" (-2,-5) and "B" (1,-9)

weqwewe [10]

Answer:

Perimeter is 35 units.

Step-by-step explanation:

A heptagon has 7 equal sides.

Given the length of two consecutive vertices, A(-2-5) and B(1,-9).

We can find the length of AB and multiply by 7.

Recall the distance formula;

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

The length of AB is

$|AB|=\sqrt{(-2-1)^2+(-5--9)^2}$

$|AB|=\sqrt{(-3)^2+(4)^2}$

$\Rightarrow |AB|=\sqrt{9+16}$

$\Rightarrow |AB|=\sqrt{25}$

$\Rightarrow |AB|=5\:units$

Therefore the perimeter is $7\times 5=35\:units$ .

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goldenfox [79]

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adding

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adding each numbers on each edge will give a total of the number cubes

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3 years ago

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Step-by-step explanation:

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C(2, 5), D(3, 1)<br><br> Find the slope of the line that passes through each pair of points.

Tpy6a [65]

Slope=-4 or -4/1

Work:

(2, 5) (3, 1)
x1 y1. x2 y2

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