# Please Help!! Louis is planning to mow a rectangular yard that is 20 feet longer than it wide. He wants to find its width if its area is 1125 square feet. Which equation models this problem? A. 20w2 = 1125

19,406 questions, page 80
1. ## math

a student measures a rectangular room to be 20.00 m x 17.16 m which of the following the numbers below represents the rooms area with the correct number of significant figures

asked by Anonymous on November 18, 2013
2. ## Geometry

Width=3 Lenght=17.2 Height=5.5 What is the lateral surface area of the rectangular prism? A.283.8 B.292.4 C.325.4 D.407

asked by Parzival on May 10, 2018
3. ## MATHEMATICS_algebra

A rectangular brass sleeve has a square base of side (x) cm and height (h) cm, its weight (w) kg is given by a formula w= (3x^2h)/10. How is w changed if x is trebled and h is halved?

asked by PDF on February 7, 2012
4. ## Math

The area of a rectangular field is 96m2. The length of one side is12m. The farmer needs to know its perimeter to work out how much fencing will be needed.

asked by Nazma on December 4, 2014
5. ## PRE - CALCULUS

Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations. x = 6 cos t, y = 6 sin t; 0 ≤ t ≤ 2π A. x2 - y2 = 6; -6 ≤ x ≤ 6 B. x2 - y2 = 36; -6 ≤ x ≤ 6 C. x2 + y2 = 6; -6 ≤ x ≤ 6 D. x2 +

asked by Ciara on April 12, 2015
6. ## Math

A rectangular garden plot 16 by 24 meters is to be bordered by a strip of uniform width x meter so as to double the area. Find x.

asked by Angel on August 1, 2017
7. ## calculus

Find the area under one arch of curve y=cos(x/4). This lesson is plane areas in rectangular coordinates. I don't know how to solve it. Thanks for your help.

asked by Jhun on April 7, 2015
8. ## math

The length and breadth of a rectangular paper were measured to be the nearest centimeter and found to be 18 cm and 12 cm respectively. Find the percentage error in its perimeter.

asked by kudu on February 11, 2015
9. ## math

Marcus has 68 ftof fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangle be? a. 19 ft by 21 ft b. 21 ft by 13 ft c. 17 ft by 17 ft d. 19 ft by 15 ft I got a because I multiplied 19 x 21 and

asked by keisha on November 23, 2007
10. ## calculus

Find the dimensions of the largest rectangular box with a square base and open top that can be made from 300cm^2 of metal.

asked by Anonymous on April 26, 2012
11. ## geometry

An architect needs to design a rectangular room with an area of 75 ft What dimensions should he use in order to minimize the perimeter? Round to the nearest hundredth, if necessary

asked by Tyler on January 6, 2012
12. ## Math

Find the exact number of cubes measuring 3 Cm. on an edge that will fill a box shaped like a rectangular prism that measure 24 cm by 18 cm by 9 cm

asked by Carrie on March 3, 2011
13. ## algebra

A man wants to build a rectangular pen in which to keep his dog. If he uses one side of his barn, what is the maximum area that he can enclose with 80 meter of fencing?

asked by ana on March 15, 2011

A rectangular floor that measures 3 m by 2 m is covered by 384 square tiles. Determine side length of each tile in centimeters Thanks!

asked by Chris on October 25, 2010
15. ## Math - Algebra

Ti'a rectangular gaden has perimeter of 20 meters. She wants its area to be at least 24 square metesr. Find the interval for the possible length of Tia's garden.

asked by James on May 8, 2014
16. ## check pls

Grayson is designing a rectangular athletic field. On his scale drawing. the vertices of the rectangle are (4,5), (9,10), and (9,5). What are the coordinates of the fourth vertex? A. (4,9) B. (4,10) C. (5,10) D. (5,9) I think it's A. (4,9) Am i right?

asked by Maria on April 30, 2015
17. ## math

The length and breadth of a rectangular paper were measured to be the nearest centimeter and found to be 18 cm and 12 cm respectively. Find the percentage error in its perimeter

asked by kud on April 14, 2018
18. ## math

The length and breadth of a rectangular paper were measured to be the nearest centimeter and found to be 18 cm and 12 cm respectively. Find the percentage error in its perimeter.

asked by kudu on February 18, 2015
19. ## math

The area of a rectangular field is 96m2. The length of one side is 12m. The farmer needs to know its perimeter to work out how much fencing will be needed?

asked by Hannah on December 1, 2014
20. ## calculus

A rectangular lot is to have an area of 1600m^2. Find the shortest that can can reach the building with one end resting on the ground outside the wall

asked by montefalco on June 15, 2016
21. ## Math

A gardener wants to fence the largest possible rectangular area using 200 yards of fencing. Find the best length and width of the garden.

asked by math student 7 on April 11, 2011
22. ## math

The capacity of a rectangular tank is 5.2cubic metre and area of its base is 2.6Ã—1000 square centimetres.find its height

asked by Neha on December 3, 2017
23. ## math

can you please work this out for me??... your bedroom is 4m (400 cm) long and 3m (300 cm) wide. If you draw a rectangular plan 2cm by 1.5 cm, what is the scale of your drawing?

asked by lizzie on July 20, 2010
24. ## Math

Eliminate the parameter and write the corresponding rectangular equation whose graph represents the curve. x = secQ Y = tanQ Would I use cos^2Q + sin^2Q = 1?

asked by Abbey on April 16, 2010
25. ## math

one hundred meters of fencing is available to enclose a rectangular area next to a river.Give a function A that can represent the are that can be enclosed, in terms of X.

asked by he on June 13, 2017
26. ## college

suppose that you have 800ft of fencing. you are to construct a rectangular corral which is divided into two pieces. what are the dimensions that give the largest possible areas?

asked by tanika on December 6, 2010
27. ## math

How do I find the area in square yards, using the distributive property, of a rectangular lot - no numbers given. I'm calling the length c and the width d.

asked by Kristen on September 16, 2010
28. ## Math

A map of scale 1:10000a rectangular plot of land measures 5cm by 3cm. What is the actual perimeter in metres

asked by Anonymous on October 8, 2018
29. ## Math

I have two problems (listed below): 1.The profit P (in hundreds of dollars) that a company makes depends on the amount x (in hundreds of dollars) the company spends on advertising according to the model P = 230 + 20x -0.5x^2. What expenditure for

asked by Danielle on March 4, 2008
30. ## statistic

Three Children – A couple are planning to have 3 children. What is the sample space for three children? (What are all the possible outcomes for three children? Assume that boys and girls are equally likely, so that the sample events are equally likely.

asked by jax on July 15, 2016
31. ## finance

Calculate the after-tax cost of preferred stock for Bozeman-Western Airlines, Inc., which is planning to sell \$10 million of \$6.50 cumulative preferred stock to the public at a price of \$50 a share. Issuance costs are estimated to be \$2 a share. The

asked by teresa on February 25, 2011
32. ## PSYCHOLOGY IN SOCIAL LIFE

A planning committee has decided to determine the zoning of a particular area based on data provided by the town engineer. Which social decision scheme has the committee adopted? A. Majority-wins scheme B. First-shift rule C. Objective analysis scheme D.

asked by Minh Turley on June 19, 2013
33. ## math

between 1998 and 2004, the number of college freshman who planned to get a professional degree computer science can be reasonably modeled by f(x)=-348.2x^2+1402x+13,679 where x=0 represenjts 1998. based on this model, in what year did the percent of

asked by Anonymous on October 30, 2011
34. ## Algebra 1

A diver jumps from a platform 25 feet above the surface of the water. The diver's height above the water is given by the equation h(t)=-16t^2+14.5t + 25, where t is the time, in seconds, after the diver jumps. A.)When will the diver reach a height of 32

asked by Caitlyn on November 30, 2017
35. ## algebra

A ball is thrown upward from a height of 240 feet. the height h of the object(in feet) t seconds after the ball is released is given by h=-16t^2+32t+240 a. how long does it take the ball to reach its maximum height? b. what is the maximum height attained

asked by mike on December 5, 2013
36. ## Statistics

A linear regression of price on square footage of homes for sale found the equation price = 30275 + 144*sqft. In this equation, the slope means A. a house with no square feet will cost \$30,275. B. for every 144 square feet, average price goes up \$30,275.

asked by Macy on February 15, 2015
37. ## Math

It was observed that the shadow of a vertical pole of 6 meters longer when the angle of elevation of the sun was 30° than when it was 60°.By means of a sketched diagram,calculate,correct to two decimal places,the height of the pole.

asked by Evans on May 25, 2016
38. ## U.S. History

can someone help me with this one Jefferson's election as President in 1800 demonstrated that a. the country could peacefully transfer power from one party to another b. the Constitution needed to be reformed c. there was no need for a two-party system d.

asked by y912f on January 24, 2009
39. ## English

Name one advantages & one limitaion of the short poem in conveying meaning to the reader (compared to say, a longer poem e.g. a sonnet). http://www.jiskha.com/display.cgi?id=1174475137 Already answered! =)

asked by Low on March 24, 2007
40. ## algebra

A rectangle has a length that is 5 feet more than its width. The area of this rectangle is 84 square feet. What is the width and length of this rectangle?

asked by logan on September 13, 2012
41. ## Math

A baker uses 1/6 feet of cookie dough to make each cookie. How many feet of cookie dough will he need to make 15 cookies?

asked by John on February 27, 2019
42. ## Calculus

I need help with the following problem: You're in a hot air balloon with your support crew on the ground. Attached to the balloon are two tether cords of length 350 feet and 400 feet that your crew attached to the ground. These cords form an angle of 50

asked by Don on September 3, 2012
43. ## Elements of Calc.

A 17 foot ladder is placed against a wall. if the foot of the ladder is pushed toward the wall at 0.5 feet per second, how fast is the top of the ladder rising when the foot is 8 feet from the wall?

asked by Tim on May 1, 2013
44. ## science

Suppose that the 1.3 km span of the golden gate bridge had no expansion joints. Calculate how much longer the bridge would be if the temperature of the bridge increases by 35 degrees celsious

asked by Joey on March 1, 2013
45. ## geometry

In triangle ABC, • AB is x cm long • BC is twice the length of AB • AC is 10 cm longer than AB. The perimeter of the triangle is 42 cm. Write down an equation in x and solve it. Use your answer to find the lengths of the sides of the triangle.

asked by Anonymous on January 16, 2011
46. ## algebra

An image is 16 in. by 20 in. You want to make a copy that is similar. Its longer side will be 38 in. The copy costs \$6.00 per square inch. Estimate the copy's toal cost. Explain.

asked by Deezy on January 13, 2015
47. ## English

e.g. Is the hotel closed? (What does the sentence above mean? #1 or #2?) 1. As it is too late, the hotel doesn't allow people to check in, right? 2. The hotle no longer open and the owner quit the hotel business, right?

asked by rfvv on July 4, 2012
48. ## Math

Suppose you want to use hardwood flooring for most of a 750 square foot apartment. Labor costs are \$250 plus a \$2 feet per square foot of installation. The cost per square foot of hardwood flooring is \$7.00. Write an inequality to show the square feet in

asked by Helene on December 3, 2010
49. ## equation and inequalities

A costume designer made 10 costume that each used ,5.8 yard of fabric.if she had 238.2 yards of fabric to start with about how much fabric so s the costume designer have left? Write equation and estimate the amount of fabric left.

asked by lilybelle on January 2, 2015
50. ## Pre-Calculus

A ball is thrown up at the edge of a 364 foot cliff. The ball is thrown up with an initial velocity of 72 feet per second. Its height measured in feet is given in terms of time t, measured in seconds by the equation h=−16t2+72t+364. How high will the

asked by Ann on September 30, 2013

Company X stocks a certain type of containers, each of which occupies 4 square feet of warehouse space. The warehouse space currently available for storing this type of container is limited to 3000 square feet. Demand for the container is 12,000 units per

52. ## math

A city planning engineer in Cleveland must check the 10 angles that make up the three intersections on the map of downtown. If any of the angles formed by the intersections of the streets is greater than 135°, different road signs have to be used due to a

asked by pihhy on April 28, 2018
53. ## Calculus - check answers

I'd appreciate corrections for the ones I get wrong. :) Thanks! 6. A point on a damped spring has motion given by s(t)=2e^(-1.5t) s in2(pi)t, where s is measured in centimeters and t is measured in seconds. Choose which of these is the graph for the

asked by Lata on December 14, 2018
54. ## Physics

You set up a ramp on your desk at home. Marbles rolling down the ramp and horizontally off your desk consistantly land 52.0 cm from the base of your desk. Your desk is 69.0 cm high. If you pull your desk over to the window of your second story room and

asked by Anonymous on November 5, 2009
55. ## Ana

A group of hikers on a mountain began at an elevation of 3040 feet above sea level and stopped at elevation of 2319 feet above sea level. What was their change in elevation between these points? How can you tell from the change in elevation whether the

asked by Math on September 9, 2012
56. ## math

Sam wants to make concrete blocks that are 24 inches by 24 inches by 4 inches thick. How man blocks can he make from 1 cubic yard of concrete

asked by carolyn on October 19, 2010
57. ## math

If Sam wants to make concrete blocks that are 24 inches by 24 inches by 4 inches thick. How man blocks can he make from 1 cubic yard of concrete

asked by carolyn on October 19, 2010
58. ## Geometry

Company "A" sells soil at 11 cents per cubic foot. While company "B" sells it at 3 dollars per cubic yard. You need to have 20 cubic yards of soil planted. What is the better company to go with? and how much will you save?

asked by Devin on July 10, 2012

I need to identify technical and political aspects of program planning and evaluation that you might encounter in the program scenario you chose, and explain how these aspects could affect your planning and evaluation process. My scenario is this: PEACE's

asked by dianne on January 25, 2009
60. ## Algebra

Nick budgets from 300 pesos to 900 pesos for trees and/or bushes to landscape his yard. After shopping around, he finds that good trees cost 150 pesos and mature bushes cost 75 pesos. What combination of trees and/or bushes can he afford to buy?

asked by McKenna Louise on February 26, 2014
61. ## math

A relief package is released from a helicopter at 1600 feet. The height of the package can be modeled by the equation h(t)= -16t^2+1600 where h is the height of the package in feet and t is the time in seconds. The pilot wants to know how long it will take

asked by mariah on August 2, 2016
62. ## Algebra

Use the five steps for problem solving to answer the following question. Show all work. Andrew is having an irrigation system installed in his yard. Company A charges \$1250 plus \$15 per sprinkler head. Company B charges \$1200 plus \$17 per sprinkler head.

asked by Janet on April 28, 2011
63. ## Math

Information: Juan plans to build a bookcase t store his paperback books, DVDs, and CDs. he has lumber that he will use for the sides and back of the bookcase. Juan plans for his bookcase to have five shelves including, the top and bottom shelves. Each

64. ## Plz help with 8th grade math

Jack’s brother Joey is learning about shadows in school. Joey measures Jack’s shadow and finds that it is 4 feet long. Joey looks over at a 56-foothigh building next to the 2 of them and wonders how long the shadow of the building is. Assuming Jack is

asked by DerpyPegasus33 on November 28, 2014
65. ## math

asked by Jacob on January 24, 2014
66. ## Algebra II

The perimeter of a triangle is 47 km. the first side is 5 km shorter than twice the second. the third side is 2 km longer than the first. find the length of each side.

asked by Anonymous on August 30, 2014
67. ## Math

The altitude of a triangle is 2cm longer than its base. The area of the triangle is 60 cm*2. What are the dimensions of the triangle?

asked by Lorrie on May 26, 2014
68. ## math

jeff jogged 5/6km while jom jogged 7/12km.who jogged longer? by how many kilomteres?

asked by dan on September 27, 2017
69. ## math

jeff jogged 5/6km while jon jogged 7/12km.who jogged longer bu how many kilometers?

asked by dan on September 27, 2017
70. ## algebra

An alligator’s tail length, T, varies directly as its body length, B. An alligator with a body length of 4.5 feet has a tail length of 2.5 feet. What is the tail length of an alligator whose body length is 5.4 feet?

asked by lynn on February 8, 2015
71. ## Math

An alligator’s tail length, T, varies directly at its body length, B. An alligator with a body length of 3.2 feet has a tail length of 2 feet. What is the tail length of an alligator whose body length is 4.8 feet?

asked by Carla on November 22, 2011
72. ## Health

A short-term goal is one that can be achieved quickly, in days or weeks. The satisfaction of reaching a short-term goal can encourage you to work on long-term goals. Think about some of the factors involved in developing an action plan for a short-term

asked by Anonymous on October 17, 2013
73. ## Math

A company is planning to produce and sell a new line of computers. The fixed cost will be \$320,000 and it will cost \$600 to produce each computer. Each computer will be sold for \$800. 1. Write the cost function, C, of producing "x" computers.

asked by Anonymous on January 5, 2016
74. ## English

Thank you very much, Writeacher. Here are some more things I wanted to include. 1) Can you help me organize the introduction to the project? I will also include a group photo of the participating students as well as photos of our school. 2) Once the

asked by Matthew on March 15, 2012
75. ## math

You did not watch your units, you are mixing inches and feet Your equation should have been 1/2 = 1/di + 1/120 (I changed 10 feet to 120 in) solve this for di and you get 2.03 inches. Please help me I am so confused I think I am losing my mind. The focal

asked by Reiny on May 9, 2007
76. ## busn 319

Explain the planning phase and its three steps. Explain the implementation phase and its four components. Explain the evaluation phase.

asked by larry on October 25, 2011
77. ## Geometry

If 2 cubic feet of sawdust weigh 25 pounds how much does 9 cubic feet if sawdust weigh

asked by Taviyunna on May 3, 2019
78. ## Math help...

The length of a rectangle is 4/5 feet. The width is 5/8 feet. How much greater is the length of the rectangle than the width?

asked by Anna on December 23, 2014
79. ## algebra

If a 2 cubic feet of sand weight 90 pound, how much do 5 cubic feet of sand weight?

asked by ariana on November 22, 2014
80. ## Algebra. 1

For a snow sculpture content, snow is packed into a cube-shaped box with an edge of 8 feet. The box is frozen and removed, leaving a cube of snow. One cubic foot of snow weighs about 30 pounds. You can estimate the weight ( in pounds) of the cube using the

asked by Michael on August 23, 2007
81. ## Math

Please help me! I found the mean temperature in a week in July, which was 87 5/7 degrees. I found the median temperature of the week, too which was 89 degress. Now can anybody help me compare the mean and median temperatures? This means a lot to e and I

asked by candy on August 4, 2010
82. ## algebra

θhe height h in feet of a car above the exit ramp of an amusement park′s free-fall ride can be modled by the equation h=−16t 6+s where t is the time in seconds after the car drops s is the starting height of the car in feet. How high above the car′s

asked by Sue May on May 11, 2014
83. ## Calculus

The Estradas are planning to buy a house 5 years from now. Housing experts in their area have estimated that the cost of a home will increase at a rate of 3%/year during that 5-year period. If this economic prediction holds true, how much can the Estradas

asked by James on July 15, 2012
84. ## Math

A rectangular prism has a length of 100 cm, a height of 10 cm and a width of 5 cm. What is the volume of the rectangular prism? A. 3100 square centimeters B. 1550 square centimeters C. 5000 square centimeters D. 1200 square centimeters 2. A cylinder has a

85. ## Algebra

The hypotenuse of a right triangle is 5cm long. One leg is 3cm longer than the other leg. Find the dimensions of the shorter leg. (give your answer in radical form)

asked by mary on September 23, 2008
86. ## algebraic reasoning

the relationship b/w the distance d, in feet, required to stop a vehicle and s, the speed in miles per hour that the vehicle was traveling, is given by the equation d=0.0155s(squared)/f f represents the coefficient of friction b/w the tires and the road

asked by megan on February 23, 2008
87. ## Health and Physicsl Education

Harvey has his heart set on making the state finals for his track team in the 100 yard dash. Although Harvey knows there are many factors to improving his time and becoming an elite sprinter, one skill is paramount to his success. This skill is used at the

asked by Athia Rivera on January 13, 2014
88. ## Calculus

A fence 5 feet tall runs parallel to a tall building at a distance of 7 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building? [Hint: Determine the length of a ladder

asked by Z32 on June 22, 2009
89. ## Social Studies

Which was a significant reason Middle Colonies were more favorable to farmer than New England. Select all that apply. -The climate was cooler -The growing season was longer -The soil was more fertile -Crops grew better along the coast -There were more

asked by Landon on September 2, 2016
90. ## Government

The government's practice of spending more than it takes in results in: a. greater dependence on regressive taxes than progressive taxes. b. deficit financing c. low interest rates d. longer fiscal years I think it's B?

asked by Anthony on July 19, 2011
91. ## math

a motorist drives to a city in 4 hrs. and returns by another route which is 26 mi. longer. on the return trip he traveled 5 miles per hour faster and took 4 hours and 12 min. . find the length of the shorter route.

asked by mac on July 22, 2011
92. ## Math

Using: r(t)=15+e*0.04tsin(pi*t/3) "Explain why it takes longer to reach maximum heigh of the first ride but will exceed it." Do i have to use this equation or the previous one of: s(t) = 15+6sin(Pi*t/3). to explain why? Also, to find the distance off the

asked by Paul J on February 15, 2015
93. ## english

Combine these four sentences using complex compound sentences. We have discovered thousands of dinosaur fossils. • We still don’t know much about these creatures. • They dominated the earth longer than humans have. • They suddenly died out for

asked by gouri on September 17, 2014

Wal-Mart, a discount store chain, is planning to build a new store in Rock Springs, Maryland. The parcel of land the company owns is large enough to accommodate a store with 140,000 square feet of floor space. Based on marketing and demographic surveys of

asked by JYD on September 7, 2008

Wal-Mart, a discount store chain, is planning to build a new store in Rock Springs, Maryland. The parcel of land the company owns is large enough to accommodate a store with 140,000 square feet of floor space. Based on marketing and demographic surveys of

asked by JYD on September 6, 2008
96. ## math

The Python snake climbed 10 feet up a 12 foot tree and the boa constrictor snake climbed 16 feet up an 18 foot tree. Write the fraction of the tree each snake climbed. Simplify the fractions and compare the distances. my answer: 10/12 = 5/6 for python

asked by Lindsey on September 7, 2011
97. ## Math

The question is: Kelly wants to center the rug in her living room. The rug is 8 3/4 feet wide. The total width of her Living room is 12 1/2 feet. How far from each Wall of her living room should she place her rug? I did 12 1/2 divided by 8 3/4 So 12 2/4

asked by Br on November 10, 2012
98. ## Art

Today, decisions in planning, selecting, and/or creating artwork for public display are made in the following way. Choices are: A. They are the decision of the artist B. by collaboration among the community, artist, and local government. C. They are the

asked by Samantha on February 15, 2012
99. ## phys

A town is planning on using the water flowing through a river at a rate of 4.9 106 kg/s to carry away the heat from a new power plant. Environmental studies indicate that the temperature of the river should only increase by 0.50° C. The maximum design

asked by opp on April 30, 2012
100. ## Algebra

An office building containing 96,000 square feet of space is to be made into apartments. There will be at most 15 one-bedroom units, each with 800 square feet of space. The remaining units, each with 1200 square feet of space, will have two bedrooms. Rent

asked by Liz on June 27, 2008