area, perimeter

20,961 results, page 19
  1. mathematics

    find the area of the region between the curve y = 3-x^2 and the line y = -1 by integrating with respect to y you first have to solve for x x=(3-y)^(1/2) then area ⌠ (3-y)^(1/2 dy from -1 to 3 ⌡ =-2/3 (3-y)^(3/2 | from -1 to 3 = -2/3(0 - 8) = 16/3 but

    asked by denisa on April 18, 2007
  2. algebra

    A coast guard ship patrols an area of 125 square miles. If the area the ship patrols is a square, about how long is each side of the area? Round to the nearest mile.

    asked by Khalin on January 5, 2011
  3. Maths

    Chris wants to put a concrete path and a fence around his rectangular garden. The concrete path will be 1 meter wide and the fence will go around the edge of the path. The garden itself measures 5 meters by 8 meters. A)Calculate the perimeter of the fence.

    asked by Anonymous on February 24, 2011
  4. Maths

    A quadrilateral is called cyclic if its corners lie on the circumference of a circle. An example is shown below left: the circle has radius 5 The area A of the quadrilateral for different x values is plotted on the right. It can be calculated that this

    asked by Sam on February 2, 2017
  5. math

    The length of a rectangle is three times the length of a side of a square and the width of the rectangle is two less than the side of the square. If the perimeter of the rectangle is twenty eight more than the perimeter of the square, find the length of a

    asked by vincent on July 30, 2013
  6. Math

    The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of concrete will need to be

    asked by Maria on August 29, 2015
  7. Math

    Eighty metres of fencing are available to enclose a rectangular area. What are the dimensions that enclose the max area. What is max area?

    asked by Jack on January 2, 2015
  8. math

    a square has a area of 60sq cm.what%is the area of one of the triangles formed by drawing both of the diagonals of the square of the area of the remaining triangles?

    asked by nicole on September 13, 2013
  9. math

    which has the greater area? explain. a) a rectangle with area 0.84 meters square. b) a rectangle with area 8400 centimeters square

    asked by junaid on March 2, 2012
  10. Thermodynamics

    Consider the flow of air through a wind turbine whose blades sweep an area of diameter D (in m). The average air velocity through the swept area is V (in m/s). On the bases of the units of the quantities involved, show that the mass flow rate of air (in

    asked by Thermo Student on September 9, 2018
  11. Algerba I

    a trapezuim has no sides parallel. Its area is given by the following expression 1/2(ah1 + bh2) Note: the 1 and 2 are small and almost under but beside the h A. Evaluate the expression for a = 5 ft 4 in., b = 2 ft 8 in., h1 = 4 ft 4 in., h2 = 6ft 4 in B.

    asked by Jordan on September 18, 2007
  12. math

    Work the following area application problem. You are given the job of laying carpet for a six-story building. At each floor the dimensions of the floor are 75 meters in length by 40 meters in width. A stairwell takes up a space 2.5 m by 1.5 m, and cuts

    asked by C on July 1, 2016
  13. math, calculus 2

    Consider the area between the graphs x+y=16 and x+4= (y^2). This area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals integrate from a to b of f(x)dx + integrate from b to c of g(x)dx What is

    asked by bobby on September 12, 2012
  14. Math

    Lee is running around the perimeter of a circular track at a rate of 10 ft/sec. The track has a radius of 100 yards. After 10 seconds, Lee turns and runs along a radial line to the center of the circle. Once he reaches the center, he turns and runs along a

    asked by SC on November 24, 2009
  15. Pre-Calculus

    An indoor physical fitness room consists of a rectangular region with a semicircle on each end. The perimeter of the room is to be a 200-meter running track. a) Draw a figure that visually represents the problem. Let x and y represent the length and width

    asked by Laquisha on October 14, 2012
  16. maths

    the total area is 480sq ft. if an area increases by 1ft then what is the total area

    asked by amit on May 23, 2017
  17. math

    The area of the bottom of a rectangular box is 316cm squared the area of one side is 168cm squared and the area of the other is 120cm squared. What are the dimensions of the box?

    asked by jake really needs help on December 20, 2016
  18. computer science

    I have a project due May 17. I have to create a math game using a GUI/Menu. The game has to give the user the option to chosse between which subject they would like to work on: adding, subtracting, dividing, multiplying integers; adding, subtracting,

    asked by Carlissa on May 16, 2011
  19. math

    mr.periwinkle owns a ranch.he wants to add an area in the shape of an equilateral triangle to one of his rectangular fields.if the length of the rectangular field is 3x feet and its area is (9x^2-6x)square feet,write an equation for the amount of fencing

    asked by lori on April 1, 2013
  20. geography

    1. Which country is the smallest in land area in Central America? largest? El Salvador has the smallest area. Mexico has the largest area. 2. What do Finland, Poland, Czechoslovakia, Hungary and Romania all have in common? The countries are all in Europe.

    asked by Reed on November 27, 2011
  21. Math

    Emma's rectangular garden is enclosed with 24 m of fencing. What is the least possible area of Emma's garden? What is the greatest possible area? I don't understand what to do? How do we find the least and greatest possible area? Lauren Grade 6

    asked by Lauren on May 8, 2015
  22. math

    A rectangular enclosure is to be created using 82m rope. A) What are the dimensions of the max area Suppose 41 barriers each 2m long, are used instead. Can the same area be enclosed C) How much more area can be enclosed if the rope is used instead of the

    asked by math help on December 7, 2017
  23. math

    The two of us ordered a pizza whose area was the same as the area of a square in which the sum of the squares of the four sides plus the sum of the squares of the two diagonals is 400. The pizza's area was A. 50 B. 100 C. 150 D. 200

    asked by Cody on July 30, 2015
  24. Math

    1. Write the ratio in the simplest form. 50:10 (a) 25:5 (b) 10:2 (C) 5:1* (D) 1:5 2. Solve the following proportion. p/6=7/8 (a) p=5.25 (b) p=8 (c) p=10.5* (d) p=42 3. Chris's uncle has a model car. The model is 6 inches long and 3 inches wide. The actual

    asked by Anonymous on November 15, 2015
  25. Algebra

    Essay: Show all work. A school designer wants to create a white board with the ptimal dimensions to enhance if one side of the white board x^-5xy+8y inches. Write an algebra expression for the area of the area of the area of such a white board, simplify

    asked by Anna&Karen on July 27, 2012
  26. Algebra 1--How Am I Supposed to Solve This?!

    Suppose a cone and a cylinder have the same radius and that the slant height l of the cone is the same as the height h of the cylinder. Find the ratio of the cone's surface area to the cylinder's surface area. Area of cone: S = πrl + πr^2 Area of

    asked by Victoria on May 27, 2014
  27. math ,correction

    Directions: Solve each of the following problems. Be sure to show the equation used for the solution. The length of a rectangle is 2in. more than twice its width. If the perimeter of the rectangle is 34 in., find the dimensions of the rectangle. Let L =

    asked by jasmine20 on February 5, 2007
  28. Algebra

    The perimeter of an equilateral triangle is 7 in. more than the perimeter of a square. The side of the triangle is 5 in. longer than the side of the square. Find the length of each side of the triangle. (Note: An equilateral triangle has all sides equal)

    asked by Jodi on August 16, 2007
  29. MATH

    I just need to know how to set this problem up. You are given 28 feet of fencing and need to enclose a patio on all four sides. The following variables are defined: Let X represent the width (in feet) and Y represent the length (in feet)of the enclosed

    asked by Ebony on February 16, 2017
  30. Algebra

    I just need to know how to set this problem up. You are given 28 feet of fencing and need to enclose a patio on all four sides. The following variables are defined: Let X represent the width (in feet) and Y represent the length (in feet)of the enclosed

    asked by Ebony on February 16, 2017
  31. math

    A wall has an area of 7.2 square meter. It was painted yellow and brown. The area of the wall painted yellow was 3 times as large as the area painted brown. What was the ratio of the area painted yellow to the area painted brown?

    asked by George on September 19, 2015
  32. Math Homework

    1) Given the side of a square pyramid is 6cm and the altitude is 4cm calculate the surface area. 2) Given the side of a square pyramid is 12cm and the altitude is 8cm calculate the surface area. 3) Given the side of a square pyramid is 18cm and the

    asked by Student on February 6, 2007
  33. math

    the area or peur is 3 4/25 times the area of purgatory the area of purgatory is 157000 what is the area of peur

    asked by sandy on January 14, 2010
  34. Math

    Manuel wants to build a rectangular pen for his animals. One side of the pen will be against the barn; the other three sides will be enclosed with wire fencing. If Manuel has 750 feet of fencing, what dimensions would maximize the area of the pen? a) Let w

    asked by Jason Q. on September 2, 2014
  35. Algebra

    If the sides of of a square are decreased by 2cm, the area is decreased by 36cm square. What are the dimensions of the original square? original square: x by x new square: x-2 by x-2 old area = x^2 new area = (x-2)^2 The difference in these area = 36

    asked by Tony on April 11, 2007
  36. Calculus

    Find the exact coordinates of the centroid. y = sqrt[x], y = 0, x = 9. -------------- Is this basically 1/4 of an oval/ellipse? If so then the area would be: pi*9*3, correct? So the X coordinate would equal: 1/Area * Integral from 0 to 9 of (x*f(x))*dx

    asked by COFFEE on June 22, 2007
  37. pre-algebra

    The perimeter of a triangle is 195 mm.If the lengths of the sides are consecutive odd integers,find the length of each side. what steps do i need to do in order to get the answre? Perimeter= L + L+2 + L+4 solve for L. That is the short side. THen add two

    asked by JoJo on January 27, 2007
  38. math

    The illumination a surface receives from a light source varies inversely with the square of the distance. A table lamp is 3ft from a certain work area. How far is another work area if it receives only 1/3 as much illumination as the first work area? (W/

    asked by HELP HELP HELP MNHS on January 11, 2013
  39. Calculus 1

    A family wants to fence a rectangular play area alongside the wall of their house. The wall of their house bounds one side of the play area. If they want the play area to be exactly 1600ft^2, what is the least amount of fencing needed to make this? Round

    asked by Grant on November 1, 2015
  40. Calculus

    *Optimization problem* I'm okay at some optimization problems, but this one has me stumped. You work for a company that manufactures circular cylindrical steel drums that can be used to transport various petroleum products. Your assignment is to determine

    asked by Zared on November 29, 2012
  41. Math

    A family put a swimming pool in their backyard the rectangular backyard measures 20 by 12. The area of the pool is 1/6 the size of the area of the backyard. what is the area of the pool? How do I solve this one I multiplied 20 and 12 and got 240. What do I

    asked by Jerald on April 17, 2013
  42. Geography

    sustainable development, unsustainable development, urban form, urbanization, overurbanization 1) resources are being used up at a faster rate than they can be replaced 2) the increase in the population of a city 3)more people live in an area than the area

    asked by george on January 11, 2010
  43. Algebra

    Word Problems: 1. A farmer has 2400 feet of fencing and wants to fence off a rectangular field that borders a straight river. If he needs no fence along the river, what are the dimensions of the field that he can fence with the largest area? Find the area

    asked by Piper on August 13, 2014
  44. Math...Geometry

    Hello, Can someone please tell me if I worked this out correct and ended with the right answer? Thank You... I need to find the area and Height of this right triangle ( only knowing the lengths of its sides)side 6,5,11... Is this correct? sides 6, 5, 11 --

    asked by Mandi on August 3, 2007
  45. basic geometric

    The width of a rectangle is 6 centimeters less than the lenght. The perimeter is 64 centimeteres . would you please help me, answer these work. than you. L = length W = width ================ eqn 1: 2L + 2W = perimeter = 64 cm eqn 2: W+6cm = L Solve the

    asked by vero on March 11, 2007
  46. geo area & volume

    ok it asks me 2 find the lateral area of the cylinder ( the radius is 5 n the hight is 5) can some 1 help me with this please 392.5 Prinness, I think that 392.5 is pi*r^2*h, or the volume of the cylinder. This question asks for the lateral area. Lateral

    asked by martha on March 1, 2007
  47. Calculus

    Assume you wish to make a box whose base is a rectangle with one side twice as long as the other side and whose volume is 100 m^3. What would the minimum surface area be, if there is a minimum surface area? b) Under the same sceenerio as in (a), what would

    asked by Abigail on May 13, 2011
  48. math

    Roger just got a puppy for his birthday. He and his mother will build a fence around an area in the backyard for the puppy to play in. The play area will be 24 square feet. What dimensions could the play area be? Which dimensions would require the least

    asked by Isaac on April 7, 2015
  49. math

    1) the scale of map is 1:1000 .what is the area ,in cmsquare,on the map of a lake of area 5,000msquare? 2)the scale of a map is 1cm to 5km .a farm is represented by a rectangle measuring 1.5 cm by 4cm. what is the actual area of the farm

    asked by Reshma on May 29, 2011
  50. geometry

    I need to find the area of the shaded portion of a circle with a square in the middle all corners touching the circle. My square has a line measurement of 10 cm. I know that the area of the square is 100 cm(10 x 10). But I am not sure what to do with the

    asked by bart on May 29, 2010
  51. Math

    A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the

    asked by Maya on September 28, 2014
  52. Math quick question!

    A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the

    asked by Maya on September 28, 2014
  53. Math URGENT!!

    A rectangular garden has an area if 12a^2-5a-2m^2 A.) Write the area as the product of two binomials with integer coefficients B.) the garden is to be completely enclosed by a path 1 m wide. find and simplify an expression for the area of the path C.) the

    asked by Maya on September 28, 2014
  54. Calculus

    a rectangular box of given volume is to be "a" times long as it is wide. find the dimension for which it has the least total surface area ? L= aw Total surface area= 2LW + 2Lh + 2Wh = 2aw^2 + 2awh + 2wh But volume= lwh= 2aw^2 h or h= V/2aw^2 Total Surface

    asked by Hero on December 10, 2006
  55. MATH.

    Radio station KMA is increasing its radio listening radius from 40 miles to 50 miles. How many additional square miles of listening area, to the nearest tenth, will the radio station gain? I thought it was 10 miles.But it says round.So im a little

    asked by megan on May 6, 2007
  56. math

    The perimeter of the small square is one-third the perimeter of the large square. What are the side lengths of the squares? small square side = x large swuare side = x + 2

    asked by rebecca on March 31, 2010
  57. pre-algebra

    The perimeter of an equilateral triangle is 7 inches more than the perimeter of a square,and the side of the triangle is 5 inches longer than the side of square.Find the side of the triangle.

    asked by Nita on September 22, 2007
  58. Math

    The area of a 25 inch TV screen is 300 square inches. The area of a 40 inch TV screen is 768 square inches. The area of the smaller screen is what percent of the area of the larger screen? Please and thanks!

    asked by Shania on November 4, 2008
  59. math

    judy wants to fence the sides of the yard in front of her house . She bought 60m of fence and wants the max area she can fence in . The quad function a(x)=-2x^2+60x, where x is the width of the yard in metres , represent area enclosed . Determine the max

    asked by Jacob Gyan on December 10, 2012
  60. calculus (optimization)

    a rectangular study area is to be enclosed by a fence and divided into two equal parts, with the fence running along the division parallel to one of the sides. if the total area is 384 square feet, find the dimensions of the study area that will minimize

    asked by yareli on November 30, 2013
  61. algebra

    The length of the sides of a square measures 2x-5. The length of a rectangle measures 2x and the width measures x+2. For what value of x is the perimeter of the square the same as the perimeter of the rectangle.

    asked by Anonymous on January 19, 2012
  62. Geometry

    A particular model of walkie-talkie can broadcast in a circular area. The radius of the broadcast area is 10,000 feet. Find the area of this circle to the nearest square foot. Use 3.14 for pi. A. 314,000,000 ft^2 B. 100,000,000 ft^2 C. 1,256,000,000 ft^2

    asked by me-llamo-es-liza on November 12, 2015
  63. math 209

    Area of a sail. The area in square meters for a triangle is given by A(x)=x^2 +5x +6. a.) Find A(5) b) if the height of the sail is x+3 meters, then what is the length of the base of the sail when area is x^2 +5x+6m^2?

    asked by trina on June 22, 2009
  64. Cal

    consider the area between the graphs x+3y=1 and x+9=y^2. this area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals where a=,b=,c= and f(x0= and g(x)=. Alterntaively this area can be computed

    asked by Lan on July 7, 2011
  65. Cal

    consider the area between the graphs x+3y=1 and x+9=y^2. this area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals where a=,b=,c= and f(x0= and g(x)=. Alterntaively this area can be computed

    asked by Lan on July 7, 2011
  66. calculus

    given the graph of f(x) = x sinx, 0

    asked by Ethan on September 27, 2011
  67. problem solving

    How much space does the dining area take up? 100 guests, each guest requires 3m2 in the dining area, the average mass of each guest is 65 kg, and the average density of the dining area is 10kg/m2 How I can resolve this problem?

    asked by Bob on July 28, 2013
  68. Math

    An inverted right cone, half filled with water. I've only the volume of the entire cone to go from. So the volume of the cone = 1/3 the base area * height I've been told by a friend that the base area of a half scale cone = 1/4 of the larger cones base

    asked by Eef on July 15, 2014
  69. Math

    What is the surface area and volume of a composite figure made up of a hemisphere and a cone in terms of pi? The radius is 10, and the slant height is 15. Are my answers right? Cone surface area: π(10)(15) = 150π Hemisphere surface area: 2π(10)^2 =

    asked by Anonymous on May 26, 2015
  70. Physics, still don't get it!

    Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is frictionless and has a negligible mass. The area of the piston is 3.06 10-2 m2, and the pressure outside the cylinder is 1.02 105 Pa.

    asked by Mary on April 18, 2007
  71. math i need help 3 questions

    1. The numerator and denominator of a fraction are in the ratio of 3 to 4. If 4 is added to the numerator and subtracted from the denominator, the value of the resulting fraction is 4/3. The numerator of the original fraction is A. 12 B. C. 3 D. 4 2. If it

    asked by Bladimir on August 15, 2014
  72. Seventh grade math

    The area of a square floor on a scale drawing is 64 square centimeters, and the scale drawing is 1 centimeter:2 ft. What is the area of the actual floor? What is the ratio of the area in the drawing to the actual area? I have been trying to answer this

    asked by Braylynn on March 17, 2017
  73. Math grade 6

    Mr. Lincoln is building a rectengular play area in the local park. The length of the play area is ninety-seven and one-half feet. The width of the play area is fifty-six feet. To keep xhildren from falling on a hard surface, the play area will be covered

    asked by Lemi on November 9, 2015
  74. Math grade 6

    Mr. Lincoln is building a rectengular play area in the local park. The length of the play area is ninety-seven and one-half feet. The width of the play area is fifty-six feet. To keep xhildren from falling on a hard surface, the play area will be covered

    asked by Lemi on November 9, 2015
  75. Math

    Matchstick Rings each pattern of square rings has been made with matchsticks which are all the same length. If the length of one side of a square ring is "m" matchsticks, try to find a formula, in terms of m, for each of the following: a) The outer

    asked by Sandy on August 2, 2016
  76. Geometry

    *These are regular polygons* 1.Find the area of a triangle with an apothem of 8 inches. 2.Find the area of a square with a radius of 12 inches. 3.Find the area of a pentagon with a hypotenuse of 10 inches.

    asked by Sholanda on May 21, 2012
  77. Algebra

    The US has an area of 0.75 miles squared, and LA has an area of 3,705,000 miles squared. LA's area is N× 10^ (n), where N=____ and n=_____

    asked by Nancy on February 26, 2017
  78. math

    M and N are the midpoints of the sides of a square. What is the ratio of the area of triangle AMN to the area of the complete square? But the answer has to be in a ratio which is the area of a triangle to the area of the complete square. Also the triangle

    asked by alandra on May 19, 2012
  79. math

    The area of a square floor on a scale drawing is 100 square centimeters and the scale of the drawing is 1 centimeter:2ft. What is the area of the actual floor? What is the ratio of the area in the drawing to the actual area?

    asked by Brooke on November 16, 2015
  80. geometry

    if angle FGH is similar to angle PQR, FG = 6, PQ = 10, and the perimeter of angle PQR IS 35, find the perimeter of angle FGH

    asked by Anonymous on January 13, 2012
  81. math

    Find the area of a square with side A when a is equal to the following values. Are the area of a square and the length of its side directly proportional quantities? Why or why not? A=8 cm. The area of the square is _______ square cm. The area of the square

    asked by henry on November 1, 2018
  82. pre- calc

    area of a parking lot: One campus of Houston community college has plans to construct a rectangular parking lot on land bordered on one side by a highway. there are 640 feet of fencing available to fence the sides. let x represent the length of each off

    asked by steph on November 10, 2011
  83. Math

    Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is

    asked by Tim on May 3, 2016
  84. statistics

    What does the area corresponding to the critical value zcrt mean? There is a graph that has a normal bell shape curve that has a vertical arrow that intersects the x axis far from the y axis. then everything to the left of the the vertical arrow is colored

    asked by stats on March 26, 2008
  85. Math

    rectangular area for cattle and uses a straight portion of a river as one side of the​ rectangle, as illustrated in the figure. Note that there is no fence along the river. If the farmer has 16001600 feet of​ fence, find the dimensions for the

    asked by John on April 24, 2016
  86. math

    Area A sequence of smaller squares is formed by connecting the midpoints of the sides of a larger square. (a) If the area of the largest square is 1 square unit, determine the first five terms of a sequence that describes the area of each successive

    asked by chris on April 20, 2012
  87. Math

    A rectangular study area is to be enclosed by a fence and divided into two equal parts, with a fence running along the division parallel to one of the sides. if the total area is 384 ft^2, find the dimensions of the study area that will minimize the total

    asked by Sam on March 10, 2009
  88. math

    Area A sequence of smaller squares is formed by connecting the midpoints of the sides of a larger square. (a) If the area of the largest square is 1 square unit, determine the first five terms of a sequence that describes the area of each successive

    asked by nick on April 19, 2012
  89. Educational Technology

    What does it mean to say that a country's land area is positively correlated with its population? a) The larger the land area of a country, the higher its population tends to be. b) The smaller the land area of a country, the higher its population tends to

    asked by Dayana on November 21, 2013
  90. Physics

    Hi I tried asking this question yesterday but still had some confusion.Since the area must be in cm^2. IP The weight of your 1440 kg car is supported equally by its four tires, each inflated to a gauge pressure of 30.0 lb/in^2 . What is the area of contact

    asked by Elizabeth on December 4, 2009
  91. Math

    Find the area of the triangle with the base 1 2/5 yards and height 5/9 yards. The area of the triangle equals half of the product base and height. The area is ____yd^2 (Type whole number or a simplified fraction) I came up with 35/108 did I do the math

    asked by Denise on August 6, 2013
  92. Math

    In the neighborhood park there is a circular grassy picnic area, but half of the grass has died. The city wants to replant the grass, but needs to know the square footage of the damaged area. If the circular picnic area is 150 feet across, what is the

    asked by Gizmo on March 27, 2018
  93. maths

    Chris wants to put a concrete path and a fence around his rectangular garden. The concrete path will be 1 meter wide and the fence will go around the edge of the path.The garden itself measures 5 meters by 8 meters. A)calculate the perimeter of the fence

    asked by Anonymous on February 24, 2011
  94. Math ASAP

    Top Area: 13 square inches Total Surface Area: 346 square inches What is the Lateral Surface Area of the 5-sided prism?

    asked by Omar on August 24, 2013
  95. Math

    An isosceles triangle and a rectangle share a base. The area of the rectangle is 4 times the area of the triangle. The area of the triangle is 60 cm^2 and its height is 15 cm. Find the dimensions of the triangle.

    asked by Mary on February 11, 2011
  96. Geomety

    the surface area of a cylinder is 500 square feet; the lateral surface area is 320 square feet. give the area of the base

    asked by Cathy on February 13, 2017
  97. Help with maths!

    A rectangular field is surrounded by a fence on three of its sides, and a straight hedge on the fourth side. If the length of the fence is 320m, find the maximum area of the field enclosed. So...how should i do it? Does it matter which of the 'three sides'

    asked by Andrea on June 19, 2009
  98. Math

    the area of ABCDE is 18 sq. cm.; the area of a similar pentagon PQRST is 32 sq.cm. the diagonal AC is 6 cm.; find the length of PR.

    asked by Yana on October 19, 2013
  99. math

    which has the greater area: a square with a side that measures 7 meters, or a 6-by-8 meter rectangle? what is the area?

    asked by tracy on January 13, 2011
  100. Calculus

    Find the area bounded by y= -0.5x+6, y= !/4 x and the y-axis. Sketch a graph of the two functions and shade in the area.

    asked by Fred on July 25, 2012