Questions in mathematics

Questions in mathematics

[Answered] Does every point lie in a quadrant?

[Answered] If Walt can paint 25 feet of fence in an hour, and Joe can paint 35 feet in an hour, how many minutes will it take them to paint a 150-foot fence if they work together?

[Answered] A farmer hauled in 120 bales of hay. Each of his cows ate \(1 \frac{1}{4}\) bales. How many cows did the farmer feed?

[Answered] What is the least number that has 2, 3, and 4 as factors?

[Answered] Calculate the difference in years between 2014 and 1997.

[Answered] What is the slope of any line parallel to the line \(8x + 9y = 3\) in the standard \((x, y)\) coordinate plane?

[Answered] A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square root of the time the plane is used. If a lesson plus 16 minutes of plane usage costs $90, what is the total amount charged for a lesson with 36 minutes of plane usage?

[Answered] What is the average of 30, 40, and 80?

[Answered] If [tex]y^8 = 4[/tex] and [tex]y^7 = \frac{3}{x}[/tex], what is the value of y in terms of x?

[Answered] A boy can swim 75 feet in 12 seconds. What is his rate, to the nearest mile per hour?