The gas consumption of a vehicle varles directly as the distance traveled. If a certain vehicle uses 15 gallons to travel 263 mlies, how many miles would it travel
on 9 gallions of gas?

It would travel 157,8 miles with 9 gallons of gas.

Step-by-step explanation:

15 gallons / 263 miles

= 3 gallons / 52,6 miles

= 9 gallons / 157,8 miles.

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

21/58.

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