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Sophie [7]
3 years ago
6

Given an angle, draw the opposite ray of one of its sides to form a linear pair. Find the measure of the angle formed by the ang

le bisector of the given angle and the drawn opposite ray if the measure of the given angle is: 50°, 90°, and 150°.
Mathematics
1 answer:
Andrej [43]3 years ago
4 0
<span>For 50°, answer is 65° For 90°, answer is 45° For 150°, answer is 15° A linear pair of angles adds up to 180° by definition. So the new angle drawn by the ray will have an angle of 180°-a where a is the measure of the original angle. And the bisector of that new angle will be (180°-a)/2. So with that in mind, let's calculate the new measures of the described construction. 50°: (18° - 50°)/2 = 130°/2 = 65° 90°: (180° - 90°)/2 = 90°/2 = 45° 150°: (180° - 150°)/2 = 30°/2 =15°</span>
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7 0
3 years ago
Solve: (w)(3w+5)=0. Multiple answers, if any, should be separated by commas. Enter only integer(s) or fraction(s).
sp2606 [1]

Answer:

-\frac{5}{3}

Step-by-step explanation:

Given expression:

                 (w)(3w + 5) = 0

  Expand the parentheses;

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Divide both sides by w;

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7 0
3 years ago
5÷x-4 - 2÷x+2 = 4÷x-4
Alborosie
I'd suggest you begin by subtracting 4 / (x-4) from both sides.  Doing that would leave you with    1 / (x-4)   -     2 / (x+2) =  0.

LCD is (x-4)(x+2).  Mult. all three terms by (x-4)(x+2).  The resulting equation is 

x+2 - 2(x-4) = 0.     Then x+2 = 2x - 8  =>  x = 10

Subst. 10 for x in the original equation to verify that 10 is indeed a solution.


8 0
3 years ago
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