YOUR answer is true or you can formed it with two cubr
Answer:
n = 20d
Step-by-step explanation:
To write an equation, define variables. n will be the number of nickels. d will be the number of dollars. We want to know the number of nickels so the equation will be equal to n. Since there are 20 nickels in each dollar, 1 dollar will have 20 nickels. 2 dollars will have 40 nickels or 2*20. For d dollars, it will be 20d.
n = 20d
He would have to subtract 12 and 3 which would give you a total of 9. then he would have to find the value of 9 squared which is 81. Hope that helped!
Answer:
12
Step-by-step explanation:
The answer to this question would be:
<span>B.) u is the dependent variable.
</span>
In this case, the gallon is converted into unit which means the number of gallons is fixed(got from the customer water usage) but the number of units depends on the number of the gallon(748unit for every gallon). That is why "unit" become the dependent variable and "gallon" become the independent variable.