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Sergio039 [100]
3 years ago
14

Please answer and explain for brainlest!!​

Mathematics
2 answers:
satela [25.4K]3 years ago
6 0

Answer:

B. 45

Step-by-step explanation:

To solve for angle A, we need to find the value of x. First, we need to find the interior angles of the triangle. We already know 2 of them, x+57 and 63+x but we need the third one. We can do that by subtracting 96 from 180 which is 84.

So now that we have the three interior angles of the triangle, we can make an equation. We already know that the sum of interior angles of a triangle is 180.

84+(x+57)+(63+x) = 180

Simplifying, we get:

204+2x=180

2x = -24

x=-12

Plugging x = -12 into x+57 gives 45 degrees. So, the answer is B.

kipiarov [429]3 years ago
5 0
Its b.45 thats the answer
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Find f(x-4) if f(x)=-x+2. f(x-4)
notsponge [240]

Answer:

= -x+6

Step-by-step explanation:

we can simply substitute (x-4) in x place because when we say function of x , we are basically saying when we substitute a given value in the place of x we will find a given y.so for example if we have a question f(4), we can simply plug 4 to -x +2 so we will find y or f(x) = -2.

so the answer for the above question will be f(x)= -x +6.

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60 and 90

Step-by-step explanation:

2 \cos(2 \beta  + 30)  =  -  \sqrt{3}

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Second solution

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What are the coordinates for the x and y intercepts of the function 4y - 2x = 24?
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First, let's put this in Slope-intercept form: y = mx + b, where m is the slope and b is the y-intercept.
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4y = 2x + 24         Divide both sides by 4
y = (1/2)x + 6
Now that we're in slope-intercept we can easily find the y and x intercepts/
b = 6, so the y-intercept equals 6. Plug zero in for x to confirm!

Now we plug 0 in for y to find the x intercept:
0 = (1/2)x + 6     Subtract 6 from both sides
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In Conlusion:
x-intercept = -12
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