Answer:
Area = 3*3 + 3*4 = 9 + 12 = 21
Answer:
x = 36
Step-by-step explanation:
4 = 1/9 * x
36 = x
This is equal to -3-5/7, or (-3*7)/7-5/7, or -21/7-5/7, or -26/7.
Xy=12
xdy/dx + y = 12
xdy/dx = 12 - y
dy/dx= (12-y) /x
dy/dx | x=-4 ,y=-3 = (12-(-3))/(-4)
= (12+3)/-4 = -15/4