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melamori03 [73]
3 years ago
15

“Which Equation Can Be Used To Solve for x in the following diagram”

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
7 0
It’s c. Since they are vertical angles, they are equal.
Blizzard [7]3 years ago
7 0

i think no c

Step-by-step explanation:

105=(5x-70)

105 plus 70= 5x

175=5x

175/5=x

35 =x ans

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From the identity \displaystyle{ \tan x= \frac{\sin x}{\cos x}, and from the values:

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we have: \displaystyle{ \tan 45^{\circ}= \frac{\sin 45^{\circ}}{\cos 45^{\circ}}= \frac{ \frac{ \sqrt{2}}{2}}{\frac{ \sqrt{2}}{2}} =1.


We also know that \sin30^{\circ}= \frac{1}{2}.


Thus, \displaystyle{  \frac{\tan 45^{\circ}}{\sin30^{\circ}} = \frac{1}{\frac{1}{2}}=2.



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