A square mirror has sides measuring 2 feet less than the sides of a square painting. If the difference between their areas is 32 square feet, find the lengths of the sides of the mirror and painting...

A square mirror has sides measuring 2 feet less than the sides of a square painting. If the difference between their areas is 32 square feet, find the lengths of the sides of the mirror and painting...

Someone installs 96 feet of electric fencing around a rectangular headquarters. If the headquarters covers 540 square feet, what are its dimensions?

A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3 where h is the height, in metres, above the ground and t is the...

I have derived a formula and I wonder what formula is similar to this one in a mathematical point of view? F = (X2 - Y2)/ (X - Y )2 Is there any formula that looks like...

An object is launched from the ground. The object’s height, in feet, can be described by the quadratic function h(t) = 80t – 16t2, where t is the time, in seconds, since the object was launched....

Find a number that is exactly 1 more than 2 times its reciprocal. That is, solve the equation x = 2 × 1 x + 1.

x^2-3x-5=0

In Algebra 1 I am given the following problem: Solve by the quadratic formula: 5x - 1 = 2x2 Please help me.

A newspaper's profit is $20 per year for each of its 2,500 subscribers. Management estimates that the profit per subscriber will increase by 1¢ for each additional subscriber over the current 2,500...

A ball is thrown up in the air from the ground and follow the function h(t) = 50t - 4.90t2 where t is time in seconds. what is the total time the ball stays in the air. I need help...

The answer I got from trying this was x=0.926649916142 I just wanted to double check this problem I really appreciate the help.

In a shot put even, Jenna tosses her last shot from a position of about 6 feet above the ground with an initial vertical and horizontal velocity of 20 ft./s the height of the shot is modeled by the...

A rectangular shipping crate is in the form of a cube. The width is decreased by 2 m while the length is increased by 2m and the height is increased by 3 m. The new crate has a volume of 168...

The height, y metres, of an object projected directly upwards from the grouncl can be modelled by y = 17t-5t^2, where t is the time in seconds after it leaves the ground. (iii)...

Algebraic question, possibly including the discriminant and/or quadratic formula, because this question was under the quadratic formula category.

Given y=-(x-5)^2-1 Find each of the following coordinates of vertex is the parabola maximum or min value the maximum or min value write the equation in standard...

ax2+bx+c=0

I know how to factor and how to use the quadratic formula... but however I can't seem to grasp, when to use quadratic formula. I mean when a relation cannot be factored, but how do you determine it...

(z^2)/3=z/3(z over 3)+5/6 (5 over 6).

Use the quadratic formula to solve : 0.7x2-4.2x-0.7=0 The solution set is {_}

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