SOLUTION: I hope this is the right place. Can you help? Here are the problem:s Question # 1: Identify the system as consistent or inconsistent, and dependent or independent. 3x

SOLUTION: I hope this is the right place. Can you help? Here are the problem:s Question # 1: Identify the system as consistent or inconsistent, and dependent or independent. 3x - 9y=

Question 704695: I hope this is the right place. Can you help? Here are the problem:s
Question # 1:
Identify the system as consistent or inconsistent, and dependent or independent.
3x - 9y=6
y=1/3x - 2/3

Question # 2:
A chemist has prepared two acid solutions, one which is 6% acid by volume and the other which is 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of 7.28% acid solution?
Question #3. Solve using any appropriate method. 0.1x + 0.5y=2
0.5x - 0.1y=1
If the system has an infinate number of solutions, use set builder notations to write th esolution set. If the system has no solution, state this.

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Question #2, the acid mixture:
x and y, the volume of low and high concentration acids
Solve this system:

The rational one rearranges to 6x+10y=50*7.28, then 6x+10y=364, then 3x+5y=182
So an easier but equivalent system to solve is

You might continue by taking the x+y=50 and multiply both sides by 3, and subtracting the equation from the "182" equation, and find a value for y.
3x+5y=182
-(3x+3y)=-(150)
________________
0+2y=32
y=16.
cubic centimeter for the 10% acid, so....
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