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densk [106]
2 years ago
10

4x+3−2x=15 what is x?

Mathematics
2 answers:
shusha [124]2 years ago
6 0
I got the answer of x = 6
adoni [48]2 years ago
5 0

Answer:

2

Step-by-step explanation:

4x+3-2x = 15

6x = 15-3

6x = 12

x = 12/6

X = 2

hope it helpful ✌️✌️

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mrs_skeptik [129]

Answer:

Step-by-step explanation:

If you're looking for what the half angle of the tangent of theta is, I'm a bit confused as to why you think the angle in the 4th quadrant, x, is relevant.  But maybe you don't know it isn't and it's a "trick" to throw you off.  Hmm...

Anyways, the half angle identity for tangent is

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There are actually 3 identities for the tangent of a half angle, but this one works just as well as either of the others do, so I'm going with this one.  

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tan(\frac{\theta}{2})=\frac{-\frac{3}{5} }{\frac{5}{5} -\frac{4}{5} }  and a bit more to

tan(\frac{\theta}{2})=\frac{-\frac{3}{5} }{\frac{1}{5} }

Bring up the lower fraction and flip it to divide to get

tan(\frac{\theta}{2})=-\frac{3}{5}*\frac{5}{1} which of course simplifies to

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GarryVolchara [31]

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