The vertex would be at (-2,7)
X= fancy, y= plain
x+y= 7
28x+ 15y=131
solve by substitution
Distribute 6 thru the parenthesis=
198 pie plus 6 pie
Factor out the perfect square=
Pie 3 to the second power times 22 plus 7 pie 6
Calculate the square root =
3 pie 22 plus 7 pie 6
Which equals to 31.2177
Answer:
Total gallon of fuel used = gallons
Step-by-step explanation:
Given -
The total distance travelled by car in one gallon of gas = 21 miles
Total distance travelled each day = 48 miles
Number of days days in a week in which Candice drive is 5 days
Total miles travelled per week = = 240 miles
Total gallon of fuel used = gallons