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tester [92]
3 years ago
9

Someone plz help me out

Mathematics
2 answers:
inysia [295]3 years ago
6 0

Answer:

Step-by-step explanation:

In 60-30 triangles, if the hypotenuse is x, the side which is 6 would be x/2, meaning that the hypotenuse would be 6 x 2, which is 12

anygoal [31]3 years ago
5 0

\sin(30°) =  \frac{6}{x}  \Leftrightarrow x =  \frac{6}{ \sin(30°)}  =  \frac{6}{ \frac{1}{2} }  = 6 \times 2 = 12 \\ \Rightarrow D.\: 12

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Given the system of equations, what is the solution? <br><br> x + 2y = 11 <br> x - 2y = -1
zhenek [66]

We need to solve x+2y=11 for x

Let's start by adding -2y to both sides

x+2y -2y = 11-2y

x= -2y+11

Now substitute -2y+11 for x in x-2y =-1

x-2y=-1

-2y+11-2y=-1

-4y+11=-1

Add -11 to both sides

-4y+11-11=-1-11

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Divide both sides by -4

-4y/-4 = -12/-4

y= 3

Substitute 3 for y in x=-2y+11

x= -2y+11

x = (-2)(3)+11

x=-6+11

x=5


The answer is x=5 and y=3

(5,3)


I hope that's help:)



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