1. Calculus

    A rectangle has a vertex on the line 3x + 4y = 12. Two of its sides lie along the positive x and y axes. Find the maximum possible area of such a rectangle.

    asked by I on September 25, 2017
  2. Math

    A rectangle has an area of 48 square yards. For what whole number values of length & width will the rectangle have the smallest perimeter?

    asked by Susan on April 29, 2015
  3. Calc

    A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y= 1-x^2. What are the dimensions of such a rectangle with the greatest possible area?

    asked by Manny on April 5, 2009
  4. Physics

    There is a rectangle of length 1.40 cm and width 6.10 cm in the xy-plane. If the electric field can be expressed by (100.[^(i)] +234 [^(k)]) N/C, what is the flux through the rectangle?

    asked by Fred on February 2, 2017
  5. Mathematics

    A rectangle has vertices at (6,2,), (6, -6,), (-1, 2). Write the coordinates of the fourth vertex and find the area and perimeter of the rectangle (Please help, I'm really confused by these.)

    asked by Rose on October 5, 2017
  6. calculus

    A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=12−x2. What are the dimensions of such a rectangle with the greatest possible area?

    asked by Anonymous on November 13, 2010
  7. MATH

    the perimter of a rectangle is 20inches and its area is 16 square inches. Find the dimensions of the rectangle. I need help to set up the problem

    asked by CRAIG on January 5, 2012
  8. CALC

    A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=9–x2. What are the dimensions of such a rectangle with the greatest possible area?

    asked by Adam on May 30, 2010
  9. math

    A rectangle with sides parallel to the coordinate axes is inscribed in the ellipse x2/a2 + y2/b2 = 1: Find the largest possible area for this rectangle.

    asked by pairika on April 30, 2012
  10. calc

    a rectangle is inscribed in the upper half of the circle x^2+y^2=a^2 calculate the area of the largest such rectangle. So A=2xy y=sqrt(a^2-x^2)A what do I do from there?

    asked by hannah on August 20, 2014
  11. Mathematics

    A rectangle has vertices at (6,2,), (6, -6,), (-1, 2). Write the coordinates of the fourth vertex and find the area and perimeter of the rectangle (Please help, I'm really confused by these.)

    asked by Rose on October 5, 2017
  12. algebra

    I am given the perimeter of the rectangle. It is 96cm. The length is 3 times the width. What are the measurements of the 4 sides of the rectangle? I need the formula please.The answer is 12 and 36, I think.

    asked by Sonya on May 5, 2008
  13. math

    Nala and her cousin agreed that they would each mow one-half of the lawn. The lawn is a 25' by 45' rectangle. The lawn mower cuts a path two feet wide. Nala starts at one corner and mows a path completely around the outside, and then continues to mow the

    asked by Elizabeth on September 21, 2014
  14. Algebra

    A rectangle has an area given by A=x^2+7x+2. Find expressions for the possible length and width of the rectangle.

    asked by Kristen on February 16, 2010
  15. Math

    Area of a rectangle represented by x^2+3x.find length and width of the rectangle

    asked by Kirandeep on November 8, 2013
  16. math

    A rectangle has a perimeter of 23cm. Its area is 33 cm*2. Determine the dimensions of the rectangle.

    asked by Lorrie on May 26, 2014
  17. Math

    A rectangle with area 60 ft^2 has a length 7.7 ft longer than its width. What is the perimeter of the rectangle, in ft?

    asked by Anonymous on May 5, 2019
  18. MATH

    If the perimeter of a rectangle is 60m and the area is 225m^2 what is the length of the rectangle?

    asked by Skye on May 22, 2014
  19. Math 20-1

    The length of a rectangle is 5 cm more than its width. What are the possible dimensions of the rectangle if the area must be at least 84 cm^2? (2 marks)

    asked by Alex on January 28, 2015
  20. Geometry

    The length of the rectangle is 4 more than twice its width and its perimeter is 70m. What are the dimensions of the rectangle?

    asked by Anonymous on January 15, 2013
  21. math

    help !! the area of a rectangle is 56 square inches. the width of the rectangle is 7 in. what is the length??

    asked by santos on March 30, 2011
  22. Math 20-1

    The length of a rectangle is 5 cm more than its width. What are the possible dimensions of the rectangle if the area must be at least 84 cm^2? (2 marks)

    asked by Alex on January 29, 2015
  23. Math

    The length of a rectangle is 2 more than twice its width. If the area of the rectangle is 24 sq. m., find its dimensions.

    asked by Bianca on July 27, 2012
  24. math

    Apply the rule (3x,3y) to the vertices of rectangle ABCD to get rectangle WXYZ.

    asked by sarah on March 2, 2011
  25. Math 20-1

    The length of a rectangle is 5 cm more than its width. What are the possible dimensions of the rectangle if the area must be at least 84 cm^2 ? (2 marks)

    asked by Alex on February 1, 2015
  26. Algebra

    the length of a rectangle is 7 cm more than its width. find the demensions of the rectangle if its perimeter is 50 cm.

    asked by Dakota on January 3, 2013
  27. math

    Reggie knows the length and width of a rectangle.How can he find the perimeter of the rectangle.

    asked by santos on April 3, 2011
  28. math

    a rectangle is 7 ft by 9ft. a second is similar to the first with a perimeter of 260 ft. what are the dimensions of the second rectangle?

    asked by kim on March 23, 2011
  29. math

    The area of a rectangle is 24 m2. The length of this rectangle is 6 m. Which equation could be used to determine the width, w?

    asked by alexis on January 20, 2012
  30. math

    ------------------ 4cm | (1) | | |_____| | | | | 9cm | (2) | (3) | | | | ------------------ Rectangle 1 & 2 & 3 are similar. What is the area of Rectangle 3.

    asked by olav on December 11, 2010
  31. Algebra 1

    The area of a rectangle is 30 ft^2. The length is 1 less then 3 times the width. How wide is is the rectangle?

    asked by Steve on February 11, 2015
  32. math

    a rectangle has an area of 330m^2 , one side is 7 m longer than the other what are the dimensions of this rectangle

    asked by Hannah on October 20, 2011
  33. math

    the width of a rectangle is one third of the length. of the perimeter is 40 cm find the dimension of the rectangle

    asked by melody on November 10, 2014
  34. math

    The length of a rectangle of perimeter 64 cm is 5/3 of its breadth . Find the area of rectangle ?

    asked by Anonymous on August 17, 2014
  35. Algebra

    The perimeter of a rectangle is 80 in. The length is 6 inches more than the width. What are the dimensions of the rectangle

    asked by Crystal on September 24, 2016
  36. algebra

    For every point (x,y) on the graph y = 30 - 5x^2, consider a rectangle with corners (-x, 0), (-x,y), (x,0), and (x,y). For which value of x does the rectangle have a maximum area?

    asked by Sejul on October 16, 2011
  37. algebra

    The length of a rectangle is 2 cm more than four times the width. If the perimeter of the rectangle is 84 cm, what are its dimensions?

    asked by Nestor on December 21, 2012
  38. math

    Reggie knows the length and width of a rectangle. How can he find the perimeter of the rectangle

    asked by sam on April 22, 2014
  39. math-algebra

    the length of a rectangle is 4 times of its width.the perimeter of the rectangle if 150m

    asked by babar on December 10, 2014
  40. Math

    A rectangle has the length of 5x and the width of 5x-4. Find the perimeter and the area of this rectangle.

    asked by Anonymous on September 28, 2017
  41. Math

    The area of a rectangle is 6n(to the power of 2) + n - 2. What is the expression that represents the perimeter of the rectangle?

    asked by Jane on February 6, 2012
  42. physics-angular speed

    If the coefficient of friction is 0.41 and the cylinder has a radius of 2.5 m, what is the minimum angular speed of the cylinder so that the people don't fall out? (Normally the operator runs it considerably faster as a safety measure.) I am not seeing the

    asked by Anonymous on October 16, 2006
  43. Physics

    A charge of q1=1×10−6 C is located at corner A of an equilateral triangle. A charge q2=4×10−6 C is located at corner B and a charge of q3=7×10−6 C is located at corner C. The distance AB=0.46 m (the other two sides of the triangle are the same).

    asked by Phy on March 24, 2013
  44. math

    Ariana runs up 4 flights of stairs and then runs down 4 flights of stairs. Does this situation represent additive inverses? Explain.

    asked by Obiageri on January 2, 2017
  45. Math

    Jose runs at average of. 6 miles per hour.he runs everyday for 30 minutes.how many miles does Jose run a week

    asked by Anonymous on November 20, 2014
  46. Social Studies 9

    Make a list of the measures that Charles I used to avoid calling parliament. Beside each entry explain which classes of society would be the angriest about these measures and why. Came straight from the crossroads textbook :a meeting of nation.

    asked by Stephanie on September 22, 2011
  47. 5th grade

    For each right triangle, draw the rectangle made by drawing sides opposite the two shorter sides in the triangle. Find the area of each rectangle. 9cm height 4cm width How does the area of each rectangle relate to the area of either triangle inside it?

    asked by Danielle on December 1, 2010
  48. MATH

    A TRUCK DRIVER DROVE 300 MILES IN 6 3/4 HOURS. hOW MANY MILES PER HOUR DID THE DRIVER DRIVE? 300 X 27/4= 300/1 X 4/27= 1200/27

    asked by RENEE on September 3, 2015
  49. ICD 9 CM

    Patient Y, a 70-year-old woman, presents to your office two days after a syncopal episode. She had walked to the bathroom at 4 a.m., and as she walked back, she rapidly became lightheaded. She grabbed at the near corner of the bed, but ended up falling

    asked by Anonymous on January 28, 2013
  50. English

    Posted by rfvv on Friday, July 11, 2014 at 3:01am. 1. Exchange points with another team. 2. Swap points with another team. (Are both the same?) 3. Take away 300 points from one team. 4. Bring 300 points from another team. 5. Take away 30 points from each

    asked by rfvv on July 11, 2014
  51. @elena

    You helped me with this question earlier today, the answer you got was incorrect, i tried looking through your calculations but i cant find the mistake. the program wont let me see the right answer just tells the answer i put in was wrong. can you please

    asked by JOEY on April 22, 2012
  52. math

    A rectangular park measuring 35 yards by 24 yards is surrounded by a trail of uniform width. If the area of the park and the trail combined is 2420 square yards, what is the width of the path?

    asked by ReRe on February 24, 2010
  53. math

    A rectangular park measuring 35 yards by 24 yards is surrounded by a trail of uniform width. If the area of the park and the trail combined is 2420 square yards, what is the width of the path?

    asked by Lee on March 2, 2010
  54. Computer

    After writing the program of Exercise 17.7, write a simple program to create some test data for checking out the program. Use the following sample account data: Master file Account number Name Balance 100 Alan Jones 348.17 300 Mary Smith 27.19 500 Sam

    asked by Gaurav on April 20, 2011
  55. Algebra 2

    I am stuck on this problem that I have tried to solve so many times! The question is:The length of a rectangle is four more than twice the width. If the perimeter of the rectangle is 32 cm, what are the length and width of the rectangle? Here is my work:

    asked by Mick on October 17, 2015
  56. math algebra

    represent the given condition using a sing variable, x. The length and width of a rectangle whose length is 12 centimeters more than its width. the width of the rectangle is _____. The length of the rectangle is ____.

    asked by charlene on July 24, 2011
  57. geometry

    1.what is the base of the rectangle for stage # 12? 2.what is the height of the rectangle for the stage #14? 3.what is the perimeter of the rectangle for stage #10? 4.if the base of the rectangle in 36,what is the stage number?

    asked by candy on October 3, 2011
  58. Math 4th Grade

    example teacher has on sheet is: 400 = 10 x h 40 =10 x 4 400 = 10 x 40 So, h = 40 so how does my grandson do this problem the same way? 280 = 2 x m This grandma has no idea. Thanks for you help.

    asked by Robin on December 15, 2016
  59. Prob and Stats

    If X is a random variable with distribution X~N(350,110) find (a)P(X

    asked by Kathryn on October 4, 2011
  60. Math

    lines Points A and B are on the horizontal line on either side of the vertical line. Points E and F are on the vertical line on either side of the horizontal line. Another line runs diagonally through the center up to the left and down to the right. Points

    asked by Anonymous on February 8, 2019
  61. math analysis

    A rectangle with its base on the x axis is to be inscribed under the positive portions of the graph of y=8-x^2 . Write an equation for the area of the rectangle which uses only the variable x.

    asked by sarah on October 31, 2011
  62. Algebra 2 Problem

    The sides of a rectangle have lengths x+9 and widths x-3. Write an equation that describes the perimeter, P, of the rectangle in terms of x. I do not understand this problem, could someone please help me?

    asked by Isabella on January 12, 2012
  63. more math!

    A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola . What are the width and height of such a rectangle with the greatest possible area?

    asked by Anonymous on November 4, 2007
  64. Math

    3. The rectangle has an area of 1 square unit. What is the value of x? The length of the rectangle is (3)/(x+2) The width is (2)/(x-3) I can't seem to figure this out, could some please help me? I'm in urgent need of help as this assignment is due

    asked by Omdeep on August 4, 2016
  65. algebra

    The length of a rectangle is 9.7cm more than 4 times the width. If the perimeter of the rectangle is 9.1cm what are its dimensions? Could someone please explain, not looking for just answer, needing to know how to do it.

    asked by lilman on September 22, 2012
  66. Advanced Functions

    A rectangle has perimeter 64cm and area 23cm squared. Solve the following system of equations to find the rectangle's dimensions. l=(23/w) l+w=32

    asked by Anonymous on October 24, 2009
  67. math

    the length of a rectangle is equal to triple the width. which system of equations can be used to find the dimensions of the rectangle if the perimeter is 85 centimeters?

    asked by Anonymous on May 30, 2013
  68. math

    a rectangle has length which is twice the width. if the diagonal is the 5 times the square root of 5 meters long, find the perimeter of the rectangle.

    asked by ed on March 1, 2011
  69. geometry

    The diagonal of a rectangle is 25 meters long makes an angle of 36° with one side of the rectangle. Find the area and the perimeter of the parallelogram.

    asked by jaime on March 2, 2017
  70. math

    If the length of a rectangle is increased by 25%, by what percentage should the width of the rectangle be decreased to maintain a constant area ? a. 5% b. 10% c. 15% d. 20% e. 25% please answer and explain

    asked by Thomas on January 12, 2014
  71. math 11

    Is it possible for a rectangle with a perimeter of 44cm to have the area of 125cm^2 ? If so, find the dimensions of the rectangle. Figure out the equation in general form.

    asked by riley on October 21, 2010
  72. Math

    She ties rope to the stakes to section off a rectangle.eqch unit represents 1foot.what is the perimeter of the rectangle in feet

    asked by Takia on September 9, 2015
  73. Math

    Points J and K, plotted on the coordinate grid, are two vertices of rectangle JKLM. Rectangle JKLM has an area of 7 square units. Point J is located at (2, 1) and point K is located at (-5, 1). Each vertex of the rectangle is located at a point that has

    asked by Bill on April 11, 2016
  74. Chemistry

    If a Gas occupies 200.0 Ml at 400 k, what volume wiall it occupy at 400 K?

    asked by Tory on April 8, 2016
  75. Statistics

    Draw the operating characteristic curve for n = 10, 50, and 100 for the following test: Ho: ì = 400 Hi: ì > 400 á = .05, ó = 50

    asked by Tom on March 13, 2010
  76. grade 7 math

    How many grams are in one serving of soup if 2.4 kg will serve six people? a. 400 kg b 14.4 kg c. 400 g d. 2400 g

    asked by van on December 15, 2009
  77. College Physic

    2) A car traveling with 5 m/s encounters a deer. The drivers slams on the breaks, the breaks lock. The car skids to a complete stop on the road ahead (and the deer runs away). Why does the car stop (where does all the kinetic energy it had go)? Find the

    asked by Mary on March 23, 2012
  78. math

    find 25% of 300 what is 1/4 of 300? what is 25/100 of 300?

    asked by halida on March 5, 2007
  79. Geography

    Select a place in your local geographic area. The place you select should be relatively small in size (e.g., a wetland, an urban park, an agricultural field) and modified from its natural state. 1. How can the area you chose be modified to accommodate the

    asked by Sarah M. on August 7, 2018
  80. Math .. Please help Reiny

    A group of 25 eight graders went to collect 300 blankets to donate to victims of super storm Sandy. If each student collects 7 blankets on the first day, how many more blankets will each student need to collect to reach their goal. Answer must include a

    asked by Sunshine on November 29, 2012
  81. math

    Perimeter of rectangle and a square are equal. Perimeter of the square is 96 cm and breadth of the rectangle is 4 cm less than the side of the square. Then two times the area of the rectangle is

    asked by ARUN on January 24, 2015
  82. fallacies

    I have 3 that I am not sure of: 1. In one of her columns, Abigail Van Buren printed the letter of “I’d rather be a widow.” The letter writer, a divorcée, complained about widows who said they had a hard time coping. Far better, she wrote, to be a

    asked by tanya on November 24, 2009
  83. math

    there are 4 boys at the park. some boys join them. now their 16 kids at park. how many boys joined them?

    asked by ray on May 27, 2014
  84. College Physics - fixed again!

    A positive and a negative charge are positioned as shown: + | |_______ - The distance from - to corner is 4.00m and the distance from corner to + is 3.00m. Q1 = 4.00 microCoulomb Q2 = -4.00 microCoulomb 1. What is the distance between the charges? 2. What

    asked by Lucy on September 1, 2010
  85. College Physics - fixed

    A positive and a negative charge are positioned as shown: + | - _______| The distance from - to corner is 4.00m and the distance from corner to + is 3.00m. Q1 = 4.00 microCoulomb Q2 = -4.00 microCoulomb 1. What is the distance between the charges? 2. What

    asked by Lucy on September 1, 2010
  86. physics

    A positive point charge and a negative point charge have equal magnitudes. One charge is fixed to one corner of a square, and the other is fixed to another corner. On which corners should the charges be placed, so that the same potential exists at the

    asked by H on July 8, 2008
  87. physics

    Matt runs away from Ashley. Matt runs 40 m north and 30 m west. What is the minimum distance Ashley must run to catch Matt? Draw the image and label the vectors and scalars.

    asked by Lauren on October 4, 2012
  88. math

    local students were surveyed about adding stoplights at the corner of Main Street and Perry Avenue. Determine whether each survey question may be biased. Explain A) are stoplights needed at the intersection of Main and Perry? B) should stoplights be

    asked by jacob on April 20, 2015
  89. physics

    The figure below shows a room which is h = 8.5 feet tall and r = 14.5 feet wide. Attached to the ceiling is a piece of glass (with unknown index of refraction) which is 3.9 feet thick. A laser pointer in the bottom left corner is aimed so that the ray

    asked by Anonymous on September 13, 2011
  90. Math

    Noah and Brianna went to calculate the distance between their houses which are opposite sides of a water park. They mark a point, A, 120 m along the edge of the water park from Brianna's house. the measure NBA as 75° and BAN as 70°. Determine the

    asked by Gillian on November 16, 2009
  91. MATH HELPPPPPPP

    Noah and Brianna want to calculate the distance between their houses which are opposite sides of a water park. they mark a point, A, 150 m along the edge of the water park from brianna's house. the measure ÚNBA as 80‹and ÚBAN as 75‹.

    asked by kelsey on January 15, 2013
  92. algebra 1

    A gardner is calculating the perimeter of a rectangular garden, which has a length of 25 feet. The area of the garden is 400 square feet. What is the perimeter of the garden? Write the equation: could it be this? p=400/25+400/25+25+25

    asked by Bob on January 22, 2014
  93. Math

    There are 340 children at a park. 2/5 of the boys is equal to 4/7 of the girls. how many girls and how many boys are there at the park?

    asked by GJ on July 4, 2017
  94. MATH

    1. a) On Wednesday, Harry sold 3 times as many candy bars as on Tuesday. On Thursday, he sold 5 times as many bars as on Wednesday. He sold a total of 152 candy bars. How many did he sell each day? b) Bill has 5 times as many baseball cards as Fred. Tim

    asked by Mai on March 27, 2019
  95. math

    ratio in simplest form 400 centimeters to 1 meter 1 400:1 cm/m

    asked by ej on October 30, 2006
  96. Math

    400 qt=1600 cups right and my answer would be 4000 C is less than 400 quarts?

    asked by Mike on January 10, 2016
  97. chemistry

    a vessel has 6 g oxygen at a pressure P & temp 400 K . a small hole is made in it so that oxygen leaks out . how much oxygen leaks out if the pressure is P/2 & temperature 300 K ? 1. 5g 2. 4g 3. 2g 4. 3g

    asked by hriday on December 19, 2008
  98. chemistry

    a vessel has 6 g oxygen at a pressure P & temp 400 K . a small hole is made in it so that oxygen leaks out . how much oxygen leaks out if the pressure is P/2 & temperature 300 K ? 1. 5g 2. 4g 3. 2g 4. 3g

    asked by hriday on December 24, 2008
  99. Math (please help steve)

    The Chicago Art Museum's Renaissance display consists of four hallways bordered around a square courtyard. A single guard is assigned to patrol the four hallways. When the guard starts working, he begins in one of the corners and walks clockwise. When he

    asked by Bob on July 1, 2013
  100. Math

    The Chicago Art Museum's Renaissance display consists of four hallways bordered around a square courtyard. A single guard is assigned to patrol the four hallways. When the guard starts working, he begins in one of the corners and walks clockwise. When he

    asked by Nick on July 2, 2013