Answer:
9 and -1
Step-by-step explanation:
a coefficient is a number attatched to a variable. 9 is next to k, as well as the negative sign, which represent -1.
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%
Answer:
2 and 1/2 cups of rice is 10 sushi rolls he can make.
Step-by-step explanation:
2 and 1/2 is 1/4 ten times as shown below.
1/4, +1/4, +1/4, +1/4, +1/4, +1/4,+ 1/4, + 1/4, +1/4, +1/4 = 10/4 = 2 and 1/2.