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ad-work [718]
3 years ago
10

Find the value of the variables in the simplest form

Mathematics
2 answers:
Papessa [141]3 years ago
6 0

Answer:

x = 15\sqrt{3} , y = 15

Step-by-step explanation:

Using the sine and cosine ratios in the right triangle and the exact values

sin60° = \frac{\sqrt{3} }{2} , cos60° = \frac{1}{2} , then

sin60° = \frac{opposite}{hypotenuse} = \frac{x}{30} = \frac{\sqrt{3} }{2} ( cross- multiply )

2x = 30\sqrt{3} ( divide both sides by 2 )

x = 15\sqrt{3}

---------------------------------------------------------

cos60° = \frac{adjacent}{hypotenuse} = \frac{y}{30} = \frac{1}{2} ( cross- multiply )

2y = 30 ( divide both sides by 2 )

y = 15

777dan777 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

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45 minus 4.5. Show work
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Let's do subtraction by first starting with the ones place and then the tenths place of the subtrahend.
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3 0
4 years ago
<img src="https://tex.z-dn.net/?f=find%20%5C%3A%20%20%5Cfrac%7Bx%7D%7By%7D%20" id="TexFormula1" title="find \: \frac{x}{y} " al
Aliun [14]

Answer:

The Answer is: x / y = 8 / 3

Step-by-step explanation:

3(x - 2) - 4(2y - 1) + 2=0

3x - 6 - 8y + 4 + 2 = 0

3x - 8y = 0

3x = 8y

3x/y = 8

x / y = 8 / 3

Hope this Helps! Have an Awesome Day!! (-:

8 0
3 years ago
Read 2 more answers
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