Speed
Riding speed = 9 mph
Driving speed = 27 mph
Time
If x hours is the time taken when riding, (x - 1/3) hours is the time taken when driving.
Distance in both instances is the same, D= Speed * time
Therefore,
9*x = 27(x-1/3)
9x = 27x - 27/2
9x = 27x - 9
(9-27)x = -9
-18x = -9
x = 9/18 = 1/2 hours
Distance, D = 1/2 *9 = 4.5 miles
Answer:
What math?
Step-by-step explanation:
Answer:
P = 10 +2x . . . . . (units are inches)
Step-by-step explanation:
It is appropriate to use the formula for the perimeter of a rectangle, filling in the given values.
P = 2(L + W) . . . . . the perimeter is twice the sum of length and width
P = 2(5 + x) . . . . . .filled in with the givens
P = 10 + 2x . . . . . simplify
Answer:
Step-by-step explanation:
Some situtations at the supermarket and other daily activities you would need a polynomial equation with an exponent of 3 or higher. The graph looks more like an S than a U. With a variable as a denominator it looks like two slopes that are opposite of each other. With a variable as an exponent its either a straight line or a weird curve that starts on the y axis before dipping down a bit and curving up.