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3 years ago

Original price 60$ markup 15%

Mathematics

1 answer:

Rom4ik [11]3 years ago

5 0

$60.00 + 15%= 69.00. add the 15% to the orinigal Price.

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Step-by-step explanation:

the law of sines :

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with the sides being opposite to the angles.

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14/sin(80) = x/sin(60)

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3 years ago

Find the value of k so that the graph of 13y + kx = 4 and the line containing the points (5, -8) and (2, 4) are parallel.

guajiro [1.7K]

the graph of 13y + kx = 4 and the line containing the points (5, -8) and (2, 4) are parallel.

We find the slope of parallel line using two given points

(5, -8) and (2, 4)

Slope formula is

$slope = \frac{y_2-y_1}{x_2-x_1}$

$slope = \frac{4-(-8)}{2-5}$

$slope = \frac{12)}{-3}=-4$

so slope = -4

Slope of any two parallel lines are always equal

Lets find the slope of the equation 13y + kx = 4

Subtract kx on both sides

13 y = -kx + 4

Divide both sides by 13

$y= \frac{-kx}{13} + \frac{4}{13}$

Now slope = -k/13

We know slope of parallel lines are same

So the slope of 13y + kx = 4 is also -4

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Multiply by 13 on both sides and divide by -1

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3 years ago

Read 2 more answers

Simplify expression 3(d+5)

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Answer:

your answer would be 21

~hope this is the right answer, have a great day/night~

Step-by-step explanation:

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3 years ago

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densk [106]

For a parallelogram, the parallel sides must be the same length. This means you can set their lengths equal to each other. Get like terms on the same side to calculate x.

3x-5=2x+3
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3x=2x+8
3x-2x=2x-2x+8
x=8

x=8

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2 years ago