Answer:
80%
Step-by-step explanation:
1. Formula for collecting efficiency is:
(Output energy÷Input energy) x 100
2. Plug in the values:
(40J÷50J)x 100
= 80%
2x it and then you get your answers for exalpes 3+1equalls 4
Answer:
756 inches
Step-by-step explanation:
1. you have to multiply 27 by 56 and there's your answer.
9. 2.86600.... that is all i know so far
Answer:
153.94 cm
Step-by-step explanation:
a = r^pi squared
r = d/2
7^pi = 21.98
21.98 squared = 153.94 cm