Answer:
Pov:شما به ترجمه گوگل رفت برای دیدن آنچه من گفتم و دیدم این xD
Step-by-step explanation:
Pov:شما به ترجمه گوگل رفت برای دیدن آنچه من گفتم و دیدم این xD
Answer:
1/8 :)
Step-by-step explanation:
1/8 is correct because 12.5*8=100
Cost of Lightbulb = x
cost of switch is x-8
9x + 4(x-8) = 520.50
Use distributive property:
9x + 4x -32 = 520.50
Simplify:
13x -32 = 520.50
Add 32 to both sides:
13x = 552.50
Divide both sides by 13
X = 42.50
A lightbulb costs $42.50
A switch costs 42.50-8 = $34.50
Well you can check what type of angle it is! like depending on how it is slouched like a right angle is 90° for example.