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 Question 199699: A rectangular building that measures 100m by 80m is to be surrounded by a lawn of uniform width. The area of the lawn must be equal the area of the building. Find the width of the lawn, to the nearest tenth of a metre. Thanks soo much.. exam tomorrow =( Click here to see answer by scott8148(6628)

 Question 199793: solve the following equation using the quadratic formula and give answer in standard form 3x^2=-4x-20 (its been so long since ive had to use this formula that I almost forgot it) Thanks for your help in advance! Click here to see answer by solver91311(16868)

 Question 199794: I am trying to come up with a quadratic equation that will have 2 solutions: 0 & -2. I'm a first year student, who has been out of school for 30 years, and I'm having a hard time with this. This is a bonus question for my next test, and I need all the help I can get! Can you please help me? Thank you Deb Click here to see answer by jim_thompson5910(28476)

 Question 199813: This is a proportion problem I am having trouble with x/4=(x+8)/x Thank you for your help Click here to see answer by edjones(7569)
 Question 199813: This is a proportion problem I am having trouble with x/4=(x+8)/x Thank you for your help Click here to see answer by solver91311(16868)
 Question 199813: This is a proportion problem I am having trouble with x/4=(x+8)/x Thank you for your help Click here to see answer by Mathtut(3670)

 Question 199376: Analytic Geometry 20.Find the diameter and the area of the circle defined by x^2+y^2=64 Thank you... Click here to see answer by Mathtut(3670)

 Question 199832: how to get an equation by itself when theres more than one variable on one side? Click here to see answer by jerrybassmasta(14)

 Question 199940: A student opens a book to two facing pages. The product of the page numbers is 1806, find the pages numbers. First page__________ Second page_________ How do I work this problem? Click here to see answer by Alan3354(30959)

 Question 199938: The width of a rectangle is 1 ft less than the length. The area is 2ft squared. Find the width and lenght. Click here to see answer by RAY100(1637)

 Question 199939: A farmer decides to enclose a rectangle garden using one side of the barn as a side to the rectangle. What is the maximum area that the farmer can enclose with 100 ft of fence? What should the deminsons of the garden be to give this area? Maximum area that the farmer can enclose with 100 ft of fence__________sq.ft. Deminsons of the garden to give this area is 50 ft by __________ft. Click here to see answer by RAY100(1637)
 Question 199939: A farmer decides to enclose a rectangle garden using one side of the barn as a side to the rectangle. What is the maximum area that the farmer can enclose with 100 ft of fence? What should the deminsons of the garden be to give this area? Maximum area that the farmer can enclose with 100 ft of fence__________sq.ft. Deminsons of the garden to give this area is 50 ft by __________ft. Click here to see answer by ankor@dixie-net.com(15624)

 Question 199973: A parabolic arch has a span of 120ft and a maximum height of 25ft. Choose a suitable rectangular system to find the equation of the parabola. Then calculate the height of the arch 10, 20, and 40 ft from the center. Provide a sketch representing the situation and be sure it is clearly labeled with coordinates. Click here to see answer by ankor@dixie-net.com(15624)

 Question 199979: A tight end can run the 100 yard dash in 12 seconds. A defensive back can do it in 10 seconds. The tight end catches a pass at his own 20 yard line with the defensive back at the 15 yard line. If no other players are near by at what yard line will the defensive back catch up to the tight end? Click here to see answer by ankor@dixie-net.com(15624)

 Question 200013: Solve 6x+13 = 2x+7 what is x and y/5 - 2 = 4 Click here to see answer by edjones(7569)

 Question 200023: Hi. I have to find a quadratic equation with integral coefficients with roots 2i and -2i. I know I have to work backwards but I dont know how to figure this out because of i. Thank You! Click here to see answer by Alan3354(30959)

 Question 200005: a farmer has 500m of fencing to build a rectangular enclosure along a river.No fencing is needed along the riverbank.what would be the maximum area enclosed by the fence?what would be the equation? Click here to see answer by RAY100(1637)
 Question 200005: a farmer has 500m of fencing to build a rectangular enclosure along a river.No fencing is needed along the riverbank.what would be the maximum area enclosed by the fence?what would be the equation? Click here to see answer by Alan3354(30959)

 Question 200083: A rectangle has the dimensions 0.7x and 5-3x.What value of x gives the maximum area and what is the maximum area?? Click here to see answer by edjones(7569)

 Question 200161: What are some main differences between the graphical representation of quadratic equations and linear equations? Click here to see answer by jim_thompson5910(28476)

 Question 200209: the area of a rectangle is the product of it's length and width and equals 1062. if the length is 5 more than 3 times the width find the width of the rectangle Click here to see answer by RAY100(1637)

 Question 200210: If six is added to a number and then subtracted from the same number, the product of the sum and the difference is 189. what is the number? Click here to see answer by solver91311(16868)

 Question 200409: Analytic Geometry 13.a) Draw a triangle with vertices P(-2, -2), Q(2, 4), and R(8, 0). b) Show algebraically that PQR is a right triangle. c) Is PQR also an isosceles trianlge? Use algebraic reasoning to justify yopur answer. Can you please help me with this question and thankss alott?!#@## Click here to see answer by vleith(2825)