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maxonik [38]
2 years ago
15

Simplify [1/(x+1)]-(1/4) / x-3

Mathematics
1 answer:
djyliett [7]2 years ago
6 0
The answer is 3x-12/4x^2-12x
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Multiple choice. Use the Law of Sines to find the missing angle of the triangle. Find m angle C to the nearest tenth if c = 111
nalin [4]

Answer:

Both A and B are possible.

Step-by-step explanation:

It's both!

This is a might tricky. First you have to find the altitude. You have to determine if this is a real triangle.

Sin(22) = opposite / hypotenuse. The hypotenuse = 111. The angle is 22

opposite = hypotenuse * sin(22)

opposite = 111 * sin(22)

opposite = 41.58  and this is the altitude.

What have you learned?

Since 42 is larger than 41.58 you have 2 solutions to the triangle. One of the angles is acute, and the other one is obtuse. They are supplementary angles.

Sin(C) / c = Sin(A) / a

Sin(C) = c * Sin(22) / 42

Sin(C) = 111*sin(22)/ 42

Sin(C) = .99003

Sin(C) = 81.9

So that's your first answer. The second answer comes from Finding the supplement to this angle

supplement + 81.9 = 180

supplement = 180 - 81.9

supplement = 98.1

7 0
2 years ago
write the slope-intercept form of the equation of the line described. through: (1,0), parallel to y =-x-5
Paul [167]
Y=-x+1 is the correct slope-intercept form of the equation of the line that goes through (1,0).
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Investing can help people reach their long - term financial goals.

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Evaluate the derivative of the function f(x) = x^4 – 5x² + 1 at the<br> point where x=-1.
sertanlavr [38]

Answer:

1

Step-by-step explanation:

power rule

4x^3 - 10x

4(-1)^3 - 5(-1)

-4 + 5

1

3 0
2 years ago
2+2=<br> help please idk what it is
Andreyy89

Answer: The answer is 4.

Step-by-step explanation:

2 + 2 = 4.

5 0
3 years ago
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