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nadezda [96]
3 years ago
5

I have to solve for x

Mathematics
1 answer:
skad [1K]3 years ago
5 0
Multiply the denominator of -2 to the other side. So, it will be -2(x-1)/-3.

Do the same thing with -3. So, it will be -3 (x-5).

Then, you come up with:
- 2x + 2 =  - 3x + 15
Add 3x to make it:
x + 2 = 15
Then, subtract 15 by 2, which will give you:

x = 13
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Step-by-step explanation:

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I was taught how to do this but I need help, as I’m having a brain malfunction
pashok25 [27]

Answer:

theta = 135+ n360

theta = 225+n360

Step-by-step explanation:

-sqrt(2) = 2 cos theta

Divide each side by 2

-sqrt(2)/2 =2/2 cos theta

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Take the inverse cos on each side

arccos (-sqrt(2)/2) =  arc cos(cos theta)

135 = theta

Now remember this only gives you the value between 0 and 180 degrees.

Take 360 minus the value found to get the other angle since this is cosine

360 -135 = 225

Now remember this is cyclical, so we can add 360 to each of these values and we will get the same amount

theta = 135+ n360

theta = 225+n360


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Six out of eight dentists recommend crust toothpaste in a group of 156 dentists how many of them would recommend crest
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