Step-by-step explanation:
x= new books
y= old books
(to help keep track)
12.50x + 5.50y or 12.50(16) + 5.50(25)
so 337.50 in revenue
Answer:
Step-by-step explanation:
this is a similar triangle, so the side that is 6 and 18 will have the same ratio as the side 4 and x, then
6/18 = 4 / x
x = 4 * 18/6
x = 2 * 18 / 3
x = 36 /3
x = 12
nice :)
For one set the two equations equal to eachother and solve from there. 2 is 45
For three set the two equations equal. Same for four
Answer:
since 3x^2-7x+4=0 is in the form ax^2+bx+c=0, a=3, b=-7, c=4
Answer:
The area of a circle with a circumference of 4.6 is 1.684
Step-by-step explanation:
I think its that. Im not sure ;-;
