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Inga [223]
3 years ago
7

EVALUATE F(X)=1/3X FOR X=4

Mathematics
1 answer:
ollegr [7]3 years ago
5 0
Simply plug in x = 4 in to the function

f(4) = 1/3 * 4

f(4) = 4/3
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One antifreeze solution is 20% alcohol. Another antifreeze solution is 12% alcohol. How many liters of each solution should be c
katrin [286]
Use this systems of equations to solve:

x = first antifreeze
y = second antifreeze

\left \{ {{.2x + .12y = .18(15)} \atop {x + y = 15}} \right.

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Substitute y into the other equation.

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Divide both sides by .08
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Please help, thank you :)​
BARSIC [14]

Answer:

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You already have 40 points and every movie is two points. 100-40=60. 60 divided by 2 is 30, so you still need to watch 30 more movies.

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