Answer:
I HAVE THE SAME THING
Step-by-step explanation:
Answer:
42-15=4x+5x
27=9x
27/9=x
x=3
Step-by-step explanation:
A model house that runs completely on renewable energy uses 2windmills and 3 solar panels. Each windmill generates M kilowatt-hours (kWh) of energy per year, ad each solar panel generates S kWh per year. Which expressions can we use to describe how many kWh of energy the model house will output in 10years?
Answer:
419.78
Step-by-step explanation:
If 399.79 is 100% of the number we need to know how much 5% is. So first we would multiply 399.79 by 5 and then divide by 100, which equals 19.9895 and rounded to the nearest 100th we get 19.99. So we add 19.99 to 399.79 and get 419.78 (rounded).
Answer:
C) n=5
Step-by-step explanation:
6n+13=43
6n+13-13=43-13
6n=30
6n/6=30/6
n=5