Answer:
x=2
y=-3
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by graphing
Remember that the solution of the system of equations by graphing is the intersection point both lines.
using a graphing tool
The intersection point is (2,-3)
therefore
The solution is
x=2
y=-3
There is no answer? So how am I supposed to answer it?
Multiply like this. And it gives you your answer.
7.8•7.8•7.8
Answer:
aida's work is the correct answer
Answer:
$34.40
Step-by-step explanation:
this equation has 3 steps
1. to find out how much the dvds cost without any discount or tax: $40
2. the price of the dvds with the 20% discount, which can be found with cross-multiplication making the price after discount $32
3. the final price of the dvds with sales tax can be found also with cross-multiplication and the final answer would be 34.4
