Answer:
73/20
Step-by-step explanation:
3=60/20
(60+13)/20
73/20
I estimate he can make around 12 such bowties, this is based off a year being 3 feet and therefore half a yard is 1 1/2 feet. So 12x 1 1/2= 12 12/2=6+12=18 all the fabric is used up.
The derivative of an exponential function is

Moreover, in this case we must apply the chain rule because the exponent is -x:

Answer:0
Step-by-step explanation:
5-5= 0
The positive sign times the negative sign equals to a negative sign