What is the value of x in the equation -6 x = 5 x + 22? A. -22 B. -2 C. 2 D. 22

Mathematics

2 answers:

9966 [12]3 years ago

7 0

The answer: B -2 all you have to do it’s replace the answers with the x

Novosadov [1.4K]3 years ago

4 0

Answer:

B. -2

Step-by-step explanation:

-6x = 5x + 22

Put the like terms together, so subtract 5x from the right side. This will result in the new equation, -11x = 22

Now, divide by -11. This will result in the final equation, x = -2

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COMPLETE<br> Find the value of the function for O.<br> sin(45°) = ?

geniusboy [140]

Answer: $\sqrt{2}/2$ which is Choice B

This is the same as writing $\frac{\sqrt{2}}{2}$

The second "2" is not under or inside the square root.

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Explanation:

Refer to the unit circle below. I've highlighted the angle 45 degrees and its corresponding sine value. It's the y coordinate of the point on the unit circle, for this particular angle.

Therefore, $\sin(45^{\circ}) = \frac{\sqrt{2}}{2}$

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You could alternatively draw out a 45-45-90 triangle. Let x be the leg length and the hypotenuse is 1 unit long. Solve $x^2+x^2 = 1$ for x and you should get $x = \frac{\sqrt{2}}{2}$ as the length of each leg.