I believe the Answer is : 12/13
The first thing we must do for this case is to define variables.
We have then:
x = cost of a hardcover book
y = cost of a paperback book
We write the system of equations:
3x + 7y = 29.50
2x + 5y = 20.50
The solution to the system is:
x = 4 $
y = 2.5 $
Answer:
the cost of a hardcover book is $ 4
Answer:
y=90 degree
Step-by-step explanation:
bcz this triangle is drawn in the semi-circle and the greatest angle of triangle in a semi-circle is always right angle.
Answer:
Imagine you had 6 games, you rented all 6 of them, and sold all of them and you owned non because you gave out all of the games.
Step-by-step explanation:
1. 6 goes into six 1 time.
2. you have to add nothing else and have the whole aswer.