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wolverine [178]
3 years ago
8

In an isosceles triangle, the third angle is 12 more than each of the two congruent angles. What is the measure of each congruen

t angle?
Mathematics
1 answer:
Anettt [7]3 years ago
4 0

Answer:

alfyuiry7ui

Step-by-step explanation:

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Lines DE and AB intersect at point C.
lakkis [162]

Answer:

B

Step-by-step explanation:

∠ACE and ∠ECB form a straight angle whose sum = 180°, hence

2x + 2 + 5x + 3 = 180

7x + 5 = 180 ( subtract 5 from both sides )

7x = 175 ( divide both sides by 7 )

x = 25 → C

3 0
3 years ago
Find the domain of the function algebraically:<br><br> <img src="https://tex.z-dn.net/?f=R%28x%29%3D%5Cfrac%7Bx%7D%7Bx%5E%7B2%7D
BigorU [14]

The domain of the function is all real numbers except 2 and -1

Step-by-step explanation:

Domain is the set of inputs of a function on which the function is defined.

Given function is:

R(x) = \frac{x}{x^2-x-2}

In case of a function involving fraction, the function is undefined if the denominator is zero so in order to find the domain of the function algebraically , we have to find the values on which the function will be undefined

x^2-x-2 = 0\\x^2-2x+x-2 = 0\\x(x-2)+1(x-2) = 0\\(x+1)(x-2) = 0\\x+1 = 0 => x=-1\\x-2=0 = > x=2

The function will be undefined on x=-1 and x=2

So,

The domain of the function is all real numbers except 2 and -1

Keywords: Domain, functions

Learn more about domain and functions at:

  • brainly.com/question/2150928
  • brainly.com/question/2154850

#LearnwithBrainly

7 0
4 years ago
What happens to the inequality sign when you multiply or divide by a negative<br> number?
xz_007 [3.2K]

Answer:

Much like when you divide by a negative number, the sign of the inequality must flip! ... When you multiply both sides by a negative value you make the side that is greater have a "bigger" negative number, which actually means it is now less than the other side!

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A(n) __________ is an operation that reverses the effect of another operation.
Studentka2010 [4]
An inverse operation reverses the effect of another operation. Answer is C
8 0
4 years ago
Which of the diagrams below represents the statement "If it is a square, then
Harlamova29_29 [7]
B is the correct answer
7 0
3 years ago
Read 2 more answers
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