Answer:
slope is 1 so yeaaaaaaaaaaa
Answer:
17.49955
Step-by-step explanation:
Hope this helps
Refraction is an effect that occurs when a light wave, incident at an angle away from the normal, passes a boundary from one medium into another in which there is a change in velocity of the light. Light is refracted when it crosses the interface from air into glass in which it moves more slowly.
Answer:
Option C
Step-by-step explanation:
See here the net seems like a equilateral triangle
- And another equilateral traingle is inscribed in it
- So 4 equilateral triangles
Hence option C
Answer:
The values of x are:
![x=3,\:x=7](https://tex.z-dn.net/?f=x%3D3%2C%5C%3Ax%3D7)
Step-by-step explanation:
Given the expression
![(x-2)^2-6(x-2)+5=0](https://tex.z-dn.net/?f=%28x-2%29%5E2-6%28x-2%29%2B5%3D0)
Expand (x - 2)² = x² -4x + 4
![x^2-4x+4-6\left(x-2\right)+5=0](https://tex.z-dn.net/?f=x%5E2-4x%2B4-6%5Cleft%28x-2%5Cright%29%2B5%3D0)
Expand: -6(x - 2) = -6x + 12
![x^2-4x+4-6x+12+5=0](https://tex.z-dn.net/?f=x%5E2-4x%2B4-6x%2B12%2B5%3D0)
simplifying
![x^2-10x+21=0](https://tex.z-dn.net/?f=x%5E2-10x%2B21%3D0)
Factor x² -10x + 21: (x - 3) (x - 7)
![\left(x-3\right)\left(x-7\right)=0](https://tex.z-dn.net/?f=%5Cleft%28x-3%5Cright%29%5Cleft%28x-7%5Cright%29%3D0)
Using the zero factor principle
if ab=0, then a=0 or b=0 (or both a=0 and b=0)
![x-3=0\quad \mathrm{or}\quad \:x-7=0](https://tex.z-dn.net/?f=x-3%3D0%5Cquad%20%5Cmathrm%7Bor%7D%5Cquad%20%5C%3Ax-7%3D0)
solving x - 3 = 0
x - 3 = 0
Adding 3 to both sides
![x-3+3=0+3](https://tex.z-dn.net/?f=x-3%2B3%3D0%2B3)
simplify
x = 3
solving x - 7 = 0
x - 7 = 0
Adding 7 to both sides
![x-7+7=0+7](https://tex.z-dn.net/?f=x-7%2B7%3D0%2B7)
Simplify
x = 7
Therefore, the values of x are:
![x=3,\:x=7](https://tex.z-dn.net/?f=x%3D3%2C%5C%3Ax%3D7)