You have $50 in your bank account. you make eight dollars per hour mowing lawn's. how many hours must you mow lawns to have a total of $130 in your bank account?

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,