A retangular field covers 2400m^2. its lengh is 50m longer than it's width what's its with

A retangular field covers 2400m^2. its lengh is 50m longer than it's width what's its with

My answer booklet says the answer is 4/2 (or 1/2), but I don't understand why it's not 4/1. Thank you in advance!

Fountain shoots water from its base 25 ft in the air up to 50 ft into air. If the water takes 7 seconds to fall back to the ground from its highest point, write a function that models the water's...

The graph of a quadratic function meets the x-axis at the points (-4, 0) and (-2, 0). Given that the graph of the function also passes through the point (-8, 72), find the quadratic function in the...

Suppose you throw a ball straight up from the ground with a velocity of 180 ft per second. As the ball moves upward, Gravity slows it. Eventually the ball begins to fall back to the ground. The height...

in a graphing calculator

In my 8th grade Advanced Algebra class, my group is moving extremely slowly due to constant chattering. I find it frustrating and would like to have the math skills to go into Advanced Geometry next...

a ball is thrown upward from the top of a 160-foot-high building. The ball is 192 feel above ground level after 1 second, and it reaches ground level in 5 seconds. The height above ground is a quadratic...

Carly has just hit a baseball high into the air. If the height h, in metres, of the ball is given by h = 1 + 30t – 5t2 and t is the time in seconds, will the ball hit power chords that are 50...

Graph the square root function of h(x) = -√x-1; State the domain and range.

answer in interval form

I am having a lot of problems in this section of my class. the rest of problem → "Company ABC produces widgets. They have found that the cost, c(x), of making x widgets a quadratic function...

A salesperson finds that her sales average 40 cases per store when she visits 30 stores a week. Each time she visits an additional store per week, the average sales per store decreases by 1 case....

Let f(x)=ax2+bx+c be a quadratic function with a > 0 whose graph has vertex at the point (2,5). Which of the following statements are true a. x=4 is in...

Step by step

If one of the solutions to the equation: x2+3x+1=0, is a, then find 1/(a2+3a+10)

2x^2-2x+9=0 I don't know what a discriminant is so I do not understand its purpose.

Graph the quadratc inequality. y ≥ 2x2 - 4x - 3

How to get the formula s=1/2(αβ/α+β)t2

The International Space Agency has landed a robotic explorer on a planet. The robot launches a baseball directly upward at 147 ft/s. The equation for the path of the baseball is: h = -149t^2 +...