Mackenzie drives to work at 50 mph and arrives 1 min late. She drives to work at 60 mph and arrives 5 min early. How far does Mackenzie live from work?
Mackenzie drives to work at 50 mph and arrives 1 min late. She drives to work at 60 mph and arrives 5 min early. How far does Mackenzie live from work?
A tank can be filled in 9 hours and drained in 11 hours. How long will it take to fill if the drain is left open?
There are 50 dimes in a roll of dimes, 40 nickels in a roll of nickels, and 40 quarters in a roll of quarters. Rob has 12 rolls of coins with a total value of $70.00. He has 3 more rolls of nickels...
1/x+3 - x/x-2 + x^2+2/x^2-x-2 (used super/subscript and "/" to show fraction. Not sure if that's proper format)
2x-5(x+2)-(x-2)/x2-4 (used super/subscript and "/" to show a fraction. Not sure if that's proper format.)
x(x+1)-2(x+3)/(x+1)(x+2)(x+3) (used super/sub script and "/" to emphasize that it is a fraction. Not sure if this...
When you solve a system of equations by either the substitution or the elimination (addition) method, how do you determine whether the system of equations is independent, dependent, or inconsistent...
Explain how you can determine form the graph of a system of two linear equations in two variables whether it is an independent system, dependent system, or inconsistent system of equations.
The total cost of Mel's cellular phone was $390 after 9 months. What costs had Mel incurred when his service just began?
After 6 months of use, the value of Pearl's computer dropped to $900. after 8 months, the value had gone down to $750. How much did the computer cost originally?
The measure of the first angle of a triangle is 3° more than the measure of the second angle. The measure of the third angel is 5° more than twice the measure of the second angle. Find...
I drove 280 miles, made up of both highway and city driving. I used 15 gallons of gas that cost $3.15 per gallon. If my car gets 24mpg highway and 16mpg city, how much did it cost me for...
Find the value of a such that the graphs of 5y = ax + 5 and 1/4y = 1/10x - 1 are parallel.
Find k such that the line 3x + ky = 17 is perpendicular to the line 8x - 5y = 26
Find the value of m in y = mx + 3 so that the x- intercept of its graph will be (4,0)
is it possible to evaluate ƒ(x) = 5/x-1 when x=1 ? If so, what is ƒ(1)? If not explain why not.
An airplane flew for 5 hours against a 20ph headwind. The return trip with the wind took 4 hours. Find the speed of the Plane in still air and explain how you arrived at your conclusion.
find all integers for "a" in which x2+ax-32 can be factored. Explain how you arrived at your conclusion.
The Marianas Trench in the pacific ocean is the deepest part of the ocean. its depth is 6.85 mi. The speed of sound under water is 4700 ft/s. Find the time it takes sound to travel from the surface,...
A piston-engined dragster traveled 440yd in 4.936s at Ennis, Texas, on October 9, 1988. Find the average speed of the dragster in mph.