Answer:1375
Step-by-step explanation:
X= 15 is given
X squared is 15x15 = 225
1600 - 225= 1375

So, there are 4 solutions.
Answer:
-22
Step-by-step explanation:
Answer:
Step-by-step explanation:
The answer is 0.000000014
Think of this situation as a system of equations.
let y be the price of hotdogs
let x be the price of hamburgers
5y + 2x = 8
2y + 5x = 9.50
now use your solution method of choice
substitution, elimination, matrices, etc