Yin

This page lists questions and answers that were posted by visitors named Yin.

Questions

The following questions were asked by visitors named Yin.

Each of three pumps A, B, C can pump water either into, or out of, a swimming pool. Pump A can fill the pool in 6 hours, while pumpp B works twice as fast. Pump C however takes one third more time than pump A to fill the pool. 1. All three pumps together...
10 years ago
A number of students are planning an end semester party that is projected to cost $224.00. when six students decided to join in at the last minute, this reudced the contribution by $4.80 for each participanting student. how many students were there initia...
10 years ago
The speed of a boat in still water is 20 mph. It travels 24 mi upstream and 24 mi downstream in a total time of 10 hr. what is the speed if the current?
10 years ago
Find result of imaginary unit i. 1. (3+4i^259)(2-3i^-22)=? 2. (-i^-38)/(5-4i^-27)=?
10 years ago
A wire of length L is cut into two pieces of length X and Y respectively, with Y>X. These pieces are then used to form an upper case "L". If Y/X= (X+Y)/Y, determine the values of X and Y in terms of L.
10 years ago
Find X. (X+a)(X-b)=X^2+5
10 years ago
The frame of a picture is 30 cm by 36 cm outside. If the area of the picture (inner rectangle) is 480 square cm, what is the width of the uniform border?
10 years ago
(a) Straight line passes through the point (-2,8) and is parallel to the line x+2y=4 Slope Intercept Equation is: (b) Straight line passes through the point (-1,9) and is perpendicular to the line 5x+y=4 Slope Intercept Equation is: (c) Determine the cent...
10 years ago
solve for x (x/1-x)^2 - (x/1-x) -6 = 0
10 years ago
solve for x (x^2 - x) + (x^2 - x)^1/2 -6 = 0
10 years ago
A collection of forty-three coins consists of dimes and quarters. If the total value is 7.60, how many dimes and how many quarters are there?
10 years ago
A car goes 18 miles on a gallon of gas in city driving and 24 miles on the highway. If the car goes 465 miles on a full tank of 23 gallons of gas, how many miles were driven in the city and how many miles were driven on the highway?
10 years ago
For the quadratic function f(x) = 2x^2 - 16x + 27 The Vertex = ___? f(x) attains a maximum minimum value of ___? The axis of symmetry is___? The x-intercepts are___? and The y-intercept is ____?
10 years ago
Reduce the equation 3/x + x/3 = -5/2 to the standard form of a quadratic equation ax^2+bx+c=0. The quadratic equation is___?
10 years ago

Answers

The following answers were posted by visitors named Yin.