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Juli2301 [7.4K]
3 years ago
9

In the equation 6x â 2 = â4x + 2, spencer claims that the first step is to add 4x to both sides. jeremiah claims that the first

step is to subtract 6x from both sides. who is correct? explain.
Mathematics
1 answer:
snow_tiger [21]3 years ago
7 0

Sample Response: Both are correct. As long as inverse operations and the properties of equality are used properly, both methods will generate the same solution. They both isolate the variable on one side of the equation.

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Use your understanding of the unit circle and trigonometric functions to find the values requested.
vfiekz [6]

Answer:

a) For this case we can use the fact that sin (\pi/3) = \frac{\sqrt{3}}{2}

And for this case since we ar einterested on -\frac{\pi}{3} and we know that the if we are below the y axis the sine would be negative then:

sin (-\pi/3) = -\frac{\sqrt{3}}{2}

b) From definition we can use the fact that tan x= \frac{sin x}{cos x} and we got this:

tan (5\pi/4) = \frac{sin(5\pi/4)}{cos(5\pi/4)}

We can use the notabl angle \pi/4 and we know that :

sin (\pi/4) = cos(\pi/4) = \frac{\sqrt{2}}{2}

Then we know that 5\pi/4 correspond to 225 degrees and that correspond to the III quadrant, and we know that the sine and cosine are negative on this quadrant. So then we have this:

tan (5\pi/4) = \frac{sin(5\pi/4)}{cos(5\pi/4)}= \frac{\frac{sqrt{2}}{2}}{\frac{\sqrt{2}}{2}} = 1

Step-by-step explanation:

For this case we can use the notable angls given on the picture attached.

Part a

For this case we can use the fact that sin (\pi/3) = \frac{\sqrt{3}}{2}

And for this case since we ar einterested on -\frac{\pi}{3} and we know that the if we are below the y axis the sine would be negative then:

sin (-\pi/3) = -\frac{\sqrt{3}}{2}

Part b

From definition we can use the fact that tan x= \frac{sin x}{cos x} and we got this:

tan (5\pi/4) = \frac{sin(5\pi/4)}{cos(5\pi/4)}

We can use the notabl angle \pi/4 and we know that :

sin (\pi/4) = cos(\pi/4) = \frac{\sqrt{2}}{2}

Then we know that 5\pi/4 correspond to 225 degrees and that correspond to the III quadrant, and we know that the sine and cosine are negative on this quadrant. So then we have this:

tan (5\pi/4) = \frac{sin(5\pi/4)}{cos(5\pi/4)}= \frac{\frac{\sqrt{2}}{2}}{\frac{\sqrt{2}}{2}} = 1

6 0
3 years ago
THE QUESTION IS IN THE PICTURE CAN SOMEONE PLLLLSSLSLS HELP
Genrish500 [490]

Answer:

I HELPED :D

Step-by-step explanation:

3 0
3 years ago
what is 1+1-2? I need help plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz yea I don't know the answer.
katovenus [111]
Your answer is 0, use PEMDAS and left to right 1+1=2 then subtract your 2, so 2-2=0
4 0
3 years ago
Find the inverse of each function.<br> g(n) = 2n+6/7
bulgar [2K]

Answer- 7n-6/2

Step by step explanation-

solution,

here

Given,

g(n)=2n+6/7

Let g(n) be y

So,

Interchanging the position of n and y we get the reverse So,

n = 2y+6/7

or, 7n = 2y+6

or, 7n-6 = 2y

or, 7n-6/2 = y

Therefore the inverse function of g(n) is 7n-6/2

Thank you.

6 0
3 years ago
Hey dogzine could you help me what is 2x9x3x45
tekilochka [14]
2430
2*9 = 19
18*3 = 54
54*45 = 2430
7 0
2 years ago
Read 2 more answers
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