136 Answered Questions for the topic Quadratic Word Problem

2 pipes are used to fill pool. 1st pipe can fill the pool 6 hrs alone. two pipes can fill in 3 hrs less time than 2nd pipe. how long it will take for 2nd pipe?

kindly help meeee. I'm reviewing this for my college entrance test. please help

What are the measures of the legs of the right triangle that will give the smallest possible area?

The longer leg of a right triangle is 2 cm less than twice the shorter leg. Find the measure of each leg of the triangle with the smallest possible area. I don't know how to use quadratic equation... more

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A ball is thrown directly upward from a height of 30 feet with an initial velocity of 64 feet per second. the equation h=-16t^2+64t+30 gives the height after t seconds. how long does it take for... more

the product of a positive numbers and four more than the number is 32. What is the number?

Enter in this problems quadratic equation in standard form. ax^2+bx+c=0  Please solve this math word problem. I am completely stumped. 

we need to find the maximum revenue after increasing the price?

a concert is selling tickets. Their last concert sold 1000 tickets for $20 each. Market research suggests that for every $1 increase in price, 90 fewer people would come. By how much should they... more

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The number of pieces of mail delivered by the United States Post Office (x years after 1980) can be approximated by m = -0.141x2 + 5.2126x + 52.109, where m is in billions. Use the equation... more

Quadratic Word Problems

The length of a rectangle is the width minus 5 units. The area of the rectangle is 24 units. What is the width, in units, of the rectangle?

the length of a rectangle is 5 cm more than the width. The area is 84 cm squared . find the dimensions of the rectangle

need help figuring this out ! .........................................:.........

Problems leading to quadratic equations

The height of a right-angled triangle is 3 cm more than the width. The area is 10 cm2. Find the width of the triangle.

What are the dimensions of the rectangle?

a rectangle whose area is 160 square meters is 12 meters longer than it is wide

You are going to build a rectangular pen with 200 feet of fencing. Give the maximum possible area.

You are going to build a rectangular pen with 200 feet of fencing. Give the maximum possible area.

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An object is projected into the air and reaches the maximum height of 800 feet. At this point it begins to drop straight down. Using the formula H=16t^2 + 800, where h is the height and t is the... more

An object is thrown upward from the top of a 112 foot building with an initial velocity of 96 feet per second. The height h of the object after t seconds is giv

An object is thrown upward from the top of a 112 foot building with an initial velocity of 96 feet per second. The height h of the object after t seconds is given by the quadratic equation... more

The square of a number increased by twice the number is 48. Find both solutions.

The question is to find the number. I think that you have to start with 48 and work backwards but I don’t know how.

Tree rectangular corrals are to be made from 800 meters of fencing as seen below.

Determine the dimensions that will produce the maximum area. What is the area of one of the corrals?

quadratic question

If air resistance is ignored, a projectile such as a rifle bullet or a cannonball follows a parabolic path. Suppose a cannonball fired from the origin follows the graphy = x − 0.0005x2,where both x... more

quadratic question

A carpet is 7 yards longer than it is wide. If it has an area of 21 square yards, what are its dimensions? Round your results in yards to one decimal place. Suggestion: Refer to the figure below,... more

How many seconds will it take for the ball to reach a height of 80 feet?

If a ball is thrown upward from the ground with an initial speed of 96 feet per second, its height h, in feet, after t seconds ish = −16t2 + 96t.How many seconds will it take for the ball to reach... more
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