Answer:
x + 6
Step-by-step explanation:
(f ÷ g)(x)
= factorise the numerator
= ← cancel the factor (x + 3) on numerator/ denominator
= x + 6
1. Suppose y varies directly as x. If y = 3 when x = 15. then find x when y = 5.
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
<u>Step 1: Convert into an equation</u>
Nine less than one forth of a number is 6
<u>Step 2: Add 9 to both sides</u>
<u>Step 3: Multiply both sides by 4</u>
Answer:
We will see that the cost of filling the tank is $38.88, and at the final of the trip she will have 4 gallons on the tank.
<h3>How much costs to fill the tank?</h3>
a) The car holds 18 gallons, and it has 1/5 of the tank remaining.
Then in the tank there are:
(1/5)*18 = 3.6 gallons.
Then we need 18 gal - 3.6 gal = 14.4 gal
And each gallon costs $2.70, then to fill the tank, Miss Kito needs:
(14.4)*$2.70 = $38.88
b) Now we know that the car travels 26 miles per gallon, and she needs to travel a total distance of 364 miles.
Then she needs:
To travel that distance, and the car holds 18 gallons, so at the end of the trip, she will have 4 gallons of gasoline in her car.
If you want to learn more about algebra, you can read: