To fill a swimming pool 2 pipes are used . If the pipe of the larger diameter used for 4 hours and pipe of smaller diameter for 9 hours then only half of the pool is filled.Find how long it would...

To fill a swimming pool 2 pipes are used . If the pipe of the larger diameter used for 4 hours and pipe of smaller diameter for 9 hours then only half of the pool is filled.Find how long it would...

A football field has a length of 360 feet and a width of 45 feet. Write a quadratic model to represent the amount of feet it would take to walk diagonally across the field.

I cannot find the equation of these points, can someone help me?

(x+1⁄x)2=3(x+1/x)+4

Quadratic equation

if an equation ax^2 + Bx +6 = 0 does not have distinct real roots then ,the least value of 3a +b will be ?

Determine the integer values of n for which n^2-18n+45 is a prime number.

Each kid pays equally

x^2+50=0 and ...

1. factor the polynomial a^4+4a^3b-5a^2b^2 2. Perform division x^3+8/x+2 3. use the quadratic formula to solve the equation 5x^2-3x-7=0

a) simplify (x2-4x-12)(2x+3)2 / 2x2-9x-18 b) hence, show that [(x2-4x-12)(2x+3)2/ 2x2-9x-18] - 7x is always positive for any values of x, except x = -3/2 or 6. My...

Following this method here https://www.youtube.com/watch?v=r1JAJfmRG5w My equation now looks something like x^2 - 3x - 70 I know that I have to use a -10 and...

If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then it's height h after t seconds is given by the equation h(t) =-16t2+128t(if...

solve the following: a) 3(2z+3)2-9(2z+3)-30 b)0.49k2-36m2

determine the roots of the quadratic equation.(complete the square) express your answer in exact values. 5x2+20x-1=0

How many real-number solutions does the equation have? -7x^2+6x+3=0 How many real-number solutions does the equation have? 0=3x^2+18x+27

A parabola graph has the Vertex and Y-intercept is A(0,8) and x-intercepts of B(3,0) and C(-3,0).... Question 1) The parabola has the equation ax^2+bx+c , Use "A(0.8)"...

The length of a rectangle is 7 units more than its width. If the width is doubled and the length is increased by 2, the area is increased by 42 square units. Find the dimensions of the original rectangle...

Which of the following represents the quadratic equation below in standard form? A. B. C...

Solve 3/x + 3/2x = 2 Please explain how to answer this question. Thank you :)