Answer:
![y=40\°](https://tex.z-dn.net/?f=y%3D40%5C%C2%B0)
Step-by-step explanation:
we know that
An isosceles triangle has two equal sides and two equal angles
The two equal angles are called the base angles and the third angle is called the vertex angle
In this problem the triangle ABC is an isosceles triangle
so
![AB=AC](https://tex.z-dn.net/?f=AB%3DAC)
![5x=40\°](https://tex.z-dn.net/?f=5x%3D40%5C%C2%B0)
![x=8\°](https://tex.z-dn.net/?f=x%3D8%5C%C2%B0)
The sum of the internal angles of a triangle is equal to ![180\°](https://tex.z-dn.net/?f=180%5C%C2%B0)
so
Find the value of y
![(2y+20)\°+2(40\°)=180\°](https://tex.z-dn.net/?f=%282y%2B20%29%5C%C2%B0%2B2%2840%5C%C2%B0%29%3D180%5C%C2%B0)
![2y=180\°-20\°-80\°](https://tex.z-dn.net/?f=2y%3D180%5C%C2%B0-20%5C%C2%B0-80%5C%C2%B0)
![2y=80\°](https://tex.z-dn.net/?f=2y%3D80%5C%C2%B0)
![y=40\°](https://tex.z-dn.net/?f=y%3D40%5C%C2%B0)
Answer: 4x = -8
Reasoning:
Multiply both sides by 4
8 for 2 games plus the shoe rentals (15)make it 23 for 2games
for 30$we can bowl a max of 3 games which will cost 27 $
Answer:
y=5+2x
Normally I would explain it, but im in a bit of a hurry today. I apologize for the inconvenience!
Answer:
Option C.
Step-by-step explanation:
Shortest way to solve this question is to find the factors of the given expression.
The given expression is (x² + 13).
Now we have to factorize it.
(x² + 13) = x² + (√13)²
= x² + [-(i)²√(13)²] [Since i = √(-1)]
= x² - (i√13)²
= (x - i√3)(x + i√3) [Since (a² - b²) = (a + b)(a - b)]
Option C will be the answer.