Answer:
x = 7.3
Step-by-step explanation:
area = base × height / 2
21.9 = 6 × x / 2
43.8 = 6x
x = 7.3
The answer would be 20 over 1 bevause if you do 20 ×1 you get 20. So the would be 20 over 1.
Answer:
2,800 Books to be the same.
I’m a little confused by the question and the problem, is there a picture of the problem you could add?
ANSWER
(3, 11) and (−3, −7)
EXPLANATION
The given system of equations are:

and

or

We equate the two equations to obtain,

We rewrite in standard quadratic form to obtain,

This simplifies to

We solve for x to obtain,




When


When x=-3,

Therefore the solution for the system is (3, 11) and (−3, −7).