3 years ago

How many gallons of gas is in my tank?

Mathematics

1 answer:

weqwewe [10]3 years ago

5 0

F(180) = x/30

= 180/30 = 6 gallons of gas is needed

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2 years ago

What two numbers add to 9 and multiply to -70

Alborosie

X, y - the numbers

The numbers add to 9 and multiply to -70.
$x+y=9 \\
xy=-70 \\ \\
y=9-x \\
xy=-70 \\ \\
\hbox{substitute 9-x for y in the second equation:} \\
x(9-x)=-70 \\
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2 years ago