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lys-0071 [83]
2 years ago
15

Where is EF to the nearest tenth??

Mathematics
1 answer:
Katena32 [7]2 years ago
6 0

Answer:

37.7

Step-by-step explanation:

EF and ED define the Tangent of D

Tan(37) = side opposite D / side adjacent to D

Opposite means a line (FE) that is not connected to the angle. It is never the longest line (hypotenuse) in a Right Triangle

Adjacent means the leg that is connected to the angle, but is not the hypotenuse.

Tan(D) = opposite over adjacent

Opposite = x

Adjacent = 50

Tan(37) = 0.7536 rounded to 4 places, but I've kept the exact value in my calculator.

0.7536 = x / 50     Multiply both sides by 50

0.7536*50 = x

x = 37.6777

The nearest 1/10 is 37.7

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3 years ago
PLEASE HELP!! I’LL MAKE YOU BRAINIEST!
Leokris [45]

Answer:

1. Markup: $2.70, Retail: $20.70

2. Markup: $9.45, Retail: $31.95

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Step-by-step explanation:

To get the markup price of an item, multiply it by the markup percentage as a decimal. To get the decimal of a percentage, divide the number by 100. For example, 15% would be 0.15. And then to find how much the item has been marked up by, multiply the current price by the decimal.

$18 * 0.15 = $2.70

So $2.70 is the markup. To find the retail price, you need to add the markup price to the current price given.

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So your retail price is $20.70. Repeat these steps for each question to get the answers above.

Hope this helps.

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2 years ago
What is the slope of the line containing (-2, 5) and (4,-4)?
Pachacha [2.7K]

Answer:

Option C is correct.

Step-by-step explanation:

<h2>slope \:  =  \:  \frac{y2 - y1}{x2 - x1}</h2><h3>=  \frac{ - 4 - (5)}{4 - (2)}</h3><h3>=  \frac{ - 9}{4 + 2}</h3><h3>=  \frac{ - 9}{6}</h3><h3>= \frac{3( - 3)}{3 - 2}</h3><h3>=  -  \frac{3}{2}</h3><h3>Hope it is helpful....</h3>
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3 years ago
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