7y-3°=3y+13°
7y-3y= 13°+3°
4y= 16°
y=4°
Substitute y
7(4)-3°= 25°
3(4)+13=25°
180°-25°-25°=130°
2(2x+3)°+130°=180°
4x+136°=180°
4x=44°
x=11°
Easy and fast way to do it:
Go to google and type, " volume of a cone calculator" and type in the radius and height.
The answer is : (3x-1)(x+4)
Answer: 3/2
Step-by-step explanation:
