Answer:
x( -intercept) (-3/4,0)
y(intercept) (0,3/7)
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Step-by-step explanation:
Answer:
x is mL of 25% acid and y is mL of 50% acid
We set up 2 equations:
A) x + y = 250
B) .25 x + .50y = .35 * 250 which equals
B) .25x + .50y = 87.50 Multiplying A) by -.5
A) -.5x -.5y = -125 adding the equations we get
-.25x = -37.50
x = 150 mL
y = 100 mL
Source: http://www.1728.org/mixture.htm
Step-by-step explanation:
Step-by-step explanation:
An=-6+(20-1)×2
=-6+19(2)
=-6+38
=32
Answer:
800 square feet per minute
Step-by-step explanation:
