2 different things
if it is
xy=k or if it is x/y=k
direct or inverse variation
I will do the x/y=k one
9/-12=-3/4
x=-4
-3/4=-4/y
mutiply both sides by y
-3/4y=-4
mutiply both sides by -4/3 to clear fraction
y=16/3
Answer:
See attached image!
Step-by-step explanation:
1m is approximately 3 feet whereas 1m is approximately 3280 feet. Therefore, the best estimate for the heiht of a desk would be 1 m
Its parallel so they are equal
7x-40=5x+10
2x=50
x=25