Let x be ml of 5% soln.
let 500-x be ml of 25% soln.
.
x*.05=.05x
(500-x)*.25=125-.25x
500*.20=100
.
.05x+125-.25x=100
-.2x=-25
x=-25/-.2
x=125 ml of 5% soln.
500-x=375 ml of 25% soln.
.
Check:
125*.05= 6.25
375*.25=93.75
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========100
Answer:
Step-by-step explanation:
Given
Required
Determine the profit function.
Profit function is calculated as thus:
So, we have:
Answer:
x = 5
Step-by-step explanation:
have a nice day
brainliest?
Answer:
B
Step-by-step explanation:
F(x) is just a negative vertical shift downwards, so when you have a downwards shift the number of units down is placed right after the x outside of the parenthesis. In this case, there was a shift of -4, so it would be -x^2 - 4.
