area, perimeter

20,615 results, page 47

  1. Math

    My answers will be posted 2! 1. Dimensions of the cube is 5x3x1 a. What is the surface area? ( i said 46ft squared ) b. What is the # of cubes? ( I said 15 ) 2. Dimensions are 5x3x2 a. Surface area? ( 62ft squared ) b. # of cubes? ( 30 ) 3. Dimensions are 5x3x5 a. Surface area...
  2. Finding and evaluating sources

    Now that you have a list of citations and their accompanying bibliographic information, what question is not relevant when evaluating the author of a source? How reputable is the author? Who considers the author an expert? Is this the last book the author has published in this...
  3. help hexagon geometry

    A regular hexagon is inscribed in a circle and another regular hexagon is circumscribed about the same circle. What is the ratio of the area of the larger hexagon to the area of the smaller hexagon? Express your answer as a common fraction. How is this done? Would we divide it...
  4. Algebra

    Mrs. Sue. Thank you for your words of kindness and not putting me down when I had a question. I have looked through your site and I do ind that you certainly are reputable. I apologize for my rudeness to you yesterday and I confessed to my mom. Whew! I feel better now. I do ...
  5. Probability

    You throw a beanbag at a wall with 7 colored squares, each with an area of 1/4^2. If you hit a square, you win a prize. What is the probability of winning a prize? You need more information. For starters: 1) what is the total area of the wall? 2) Are landings on the wall ...
  6. Algebra Quadratic EFuncyoon

    David has 200m of fencing to enclose three identicle rectangular pens as shown in the figure. Let x be the length of each pen. a) express the total area of the pens in terms of x My answer: 2x^2-100x (It is correct according to the answer key) b) find the maximum total area of...
  7. math

    The area of the wall you are going to paint is 50 feet2. If the width is half the height, what are the dimensions of the wall? In answering this problem follow the steps below: 1. Represent the height as ‘x’ and then write the width in terms of x (for example, 2x, 5.5x, 0....
  8. PreCalculus

    A homeowner has forty feet of fencing to enclose three sides of a rectangular patio. The fourth side of the patio is a side of the house, and requires no fencing. 1. Let x represent the side of the rectangle perpendicular to the house (this helps avoid having ½ in the ...
  9. Chemistry

    I need to vary the surface area by choosing different size beaker. I will put liquid in there so it would have to be volume??cm^3? But the question is how can I calculate the surface area of the beaker ??? The key thing here is the container... Examples: 27cm^3??? 250 ml ...
  10. Math(Reiny Please Help)

    Lacy has $600 set aside to build a rectangular exercise kennel for her dogs. She will buy fencing material for $15/ft. Because the side of an existing barn will be used for one of the sides of the kennel, only three sides need to be fenced. A.) Determine the dimensions of the ...
  11. algebra 2

    The volume of the box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box. can some explain how to get the solution Divide the volume by the height to get the area of the bottom. You don't say what the height is. You need to...
  12. math,correction

    Problem 48 A garden area is 30ft long and 20ft wide. A path of uniform width is set around the edge. If the remaining garden area is 400ft ^2, what is the width of the path? My answer: 2 radical (2)i your answer is correct.. you are very good at this stuff. your gonna be an ...
  13. physics

    hey guys i'm stuck on this one question and i need some help!! thanks, appreciate it..... one gallon of paint (volume=3.786 X 10^-3 m^3) covers an area of 25.0 m^2. what is the thickness of the paint on the wall?? could anybody please help guide me through this problem ...
  14. Physics

    Hey can someone help, im having trouble converting alot. 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 each tire makes with the road? What gauge pressure is required to ...
  15. Physics

    A rectangular piece of gold is 3.1 cm long and 3 cm wide. Resistivity of gold is 2.4*10^-8. How deep is the piece when it displays a resistance of R = 1.65 μω for a current that flows along the depth-direction? I used R=(p*l)/A and solved for l. I got the answer ...
  16. Calculus (Area Between Curves)

    Find the area of the region IN THE FIRST QUADRANT (upper right quadrant) bounded by the curves y=sin(x)cos(x)^2, y=2xcos(x^2) and y=4-4x. You get: a.)1.8467 b.) 0.16165 c.) 0.36974 d.) 1.7281 e.) 0.37859 Based on my calculations, I would say that the answer is e.) 0.37859. I ...
  17. Advance Math

    The path around a square flower bed is 3 feet wide. If the area of the flower bed is equal to the area of the path, find the dimensions of the flower bed.
  18. math

    Isosceles Triangle ABC is inscribed in a circle with radius 12cm. Aide AB is a diameter. Determine the perimeter of the triangle, correct to one decimal place.
  19. 8th grade math

    The perimeter of a square with a side length of s is given by the expression 4s, what is the permiter of the square shown? and on one of the sides it says 7.5m How would I answer this?
  20. drawing

    suppose you copy a drawing of a polygon with given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original
  21. Algebra

    Four circles with centers A,B,C,and D are mutually tangent. The areas of circles A,B,C, and D are 25pi, 100pi, 16pi, and 225pi respectively. How many units are in the perimeter of quadrilateral ABCD?
  22. geometry

    a perimeter of 15 cm two or more equal sides and each side a whole number of centimeters. Prove that there are only four of these triangles. You do no need to construct the triangles.
  23. algebra

    the perimeter P of a square is four times the length of ones side s, or P=4s. Is (1455) a solution of this equation? If not, find a solution that uses one of the given values
  24. algebra

    the length of a rectangle is 25cm twice its width the perimeter of the table must be less than 335 cm.find the maximum dimensions of the table if each dimension is an interger
  25. Algrebra-Systems of Equations

    The perimeter of a rectangle is 110cm. The length is 1cm more than twice the width. Write 2 equations that would be used to solve the system.
  26. algebra

    method of substitution the perimeter of some traffic sigh must be 126 inches. Also its length is 11 inches longer than its width. Find the dimensions
  27. math

    anoter poster reproduces the Mona Lisa in the original size, but adds a 4 1/2 inch border around each side. What is the perimeter of this poster if the length is 30 3/10" and width is 20 7/8"?
  28. math

    A right triangle has one leg four times as long as the other. Find a function that models its perimeter P in terms of the length x of the shorter leg.
  29. Math

    Two right angled triangles are joined with a common height and the height is 12m and base of each triangle = 5m.Find out the perimeter of whole figure
  30. Algebra

    The perimeter of the rectangle below is 74 units. Find the length of side AB . Write your answer without variables. DC (top) 4z-1 CB (right side) 3z+3 AB (bottom) unknown
  31. math

    Michael has 18 decorative square tiles to make a design on a kitchen backsplash. He wants to arrange them in a rectangular shape with the least perimeter possible. How many tiles will be in each row?
  32. Math

    The length of a rectangle is 15 m longer than 3 times the width. The perimeter of the rectangle is 74m .find the dimensions. answer in fractional form using mixed numbers
  33. math

    a semi circle of diameter 6cm is cut from a rectangle with sides 6cm and 8cm.calculate the perimeter of the shaded shape correct to 1 decimal place
  34. geometry

    Consider ann equilateral triangle, a circle, and a square that all have equal areas to each other. Which one would have the largest perimeter?
  35. CALCULUS WXMAXIMA !!PLEASE!

    y=log(100493/40000*x-1) y=atan(100493/40000*x+1) y=exp(-100493/40000*x+1) Note you will need 2 integrals to represent the area. Approximate the area of the region bounded by the given curves. I can do it with two but kinda struggling over here please helppp!
  36. Calc

    A line tangent to y=(x^2)+1 at x=a, a>0, intersects the x-axis at point P. a) Write an expression for the area of the triangle formed by the tangent line, the x-axis, and the line x=a. b) For what value of 'a' is the area of the triangle a minimum? Justify your answer. Show...
  37. Calculus

    The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area? Also Estimate the relative error in the calculated surface area.
  38. Calculus

    The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area? Also Estimate the relative error in the calculated surface area.
  39. Calculus

    The region R is a rectangle with vertices P(a,lna), Q(a,0), S(3,0), and T(3,lna), where 1<a<3. A.) Write an expression that gives the area of the rectangle as a function of a. B.) The area of the rectangle is maximized for some c beween 1 and 3. Write the expression you ...
  40. math

    The surface area of the Great Pyramid at Giza was about 1,496,980 square feet when it was built. A model of this pyramid has a surface area of 599 square inches. what is the scale factor from the model to the actual pyramid?
  41. Math please help

    Craig is making a model version of his neighborhood that uses model trains. The ratio of the model train to the actual train is 1:64. His neighborhood covers an area o 200,704 squared feet. What will the area of the model neighborhood be?
  42. 5th grade math

    Kallisto built a rectangular sign that measured 2 3/4 feet in length by 1 1/2 feet in width. To find the area, multiply the length and width. what is the area of the sign in square feet? Write an equation to solve. 2 3/4 1 1/2 +2 3/4 1 1/2 =11/1/2 ------ ----- 4 6/4= 2 2/2=3
  43. Math

    A spherical balloon expands uniformly as it is inflated. The radius of the balloon in r meters at time t seconds. Find the radius, the volume, and the surface area of the balloon when the rates of increase of the surface area of the balloon and the radius are numerically equal
  44. Geometry

    A diagonal of a square has the same length as a diagonal of a rectangle. The area of the rectangle is 60% of the area of the square. What is the ratio of the shorter side to the longer side of the rectangle? Write your answer as a common fraction (or an integer). How do I even...
  45. geometry-volume

    Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you!
  46. College Algebra

    Goemetry Find the area of a triangle whose altitude is 7 ft & whose base is 22 ft. Complete each sentence. Can anyone help me.... Isn't the area of a triangle 1/2 the base times the altitude?
  47. Math

    the formula for the surface area of a cylinder is: A=2πrh+2πr^2 If the height of the cylinder is 10 inches, and the surface area is 200 sq. inches, determine the length of the radius
  48. Calculus

    Sketch the graph and find the area of the region described below. f(x)= -3xe^((-x)^2) Find the area of the region bounded below by the graph of f(x) and above by the x-axis from x = 0 to x = 3.
  49. math

    You can use the formula A = C^2 / 4pi to find the area of a circle given the circumference. Describe another way to find the area of a circle when given the circumference. THX!
  50. Algebra

    A paper has an area of 572 square centimeters. What is the paper's area in square inches? Use the following conversion: 1 square inch is 6.5 square centimeters. Please help
  51. Math

    A framer at a photo gallery wants to frame a print with a matte of uniform width all around the print. To make it pleasing to the eye, the area of the matte should equal the area of the print. If the print measures 40 cm by 60 cm, how wide should the matte be?
  52. 6th grade

    My problem is... I had a rectangular garden plot area 60 sq. feet. This year it is one foot wider and 3 feet shorter...but has the same area..60 sq. feet. What were the dimensions of the plot last year. I just want to know how to get started on solving this problem.
  53. Earth Science

    How do I ocnvert meters into cubic meters? For example: measuring areas and velocity I come up with this: area 1.55m x 27.47 = 42.74 velocity 21.9/172 seconds = 0.123 area x velocity = 5.22381 How do I convert 5.22381 into cms?
  54. CALCULUS

    The circumference of a sphere was measured to be 83000 cm with a possible error of 050000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. ________________ Estimate the relative error in the calculated surface area. _________________
  55. math

    Farmer Joe has a square piece of property surrounded by a fence. On 0.5 of the fenced property there is corn growing. On 0.6 of the remaining fenced area there are tomatoes planted. Which expression can be used to determine how much of the fenced area has tomatoes planted on it?
  56. Algebra

    We are studying quadratic functions. Suppose you have 80 feet of fence to enclose a rectangular garden. The function A= 40x-x2 gives you the area of the garden in square feet where x is the width in feet. What width gives you the maximum gardening area?
  57. Precalculus help fast

    a farmer has available 1032 feet of fencing and wishes to enclose a rectangular area. If x represents the width of the rectangle for what value of x is the area the largest A) 256.5 feet b) 258 feet c) 256 feet d) 257 feet please show work! i need help fast
  58. math

    1. A wire of length x is bent into the shape of a square. Express the area A as a function of x only. 2. A circle of radius x is inscribed in a square. Find the area inside the square but outside the circle as a function of x only.
  59. Calculus

    The circumference of a sphere was measured to be 88000 cm with a possible error of 050000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.
  60. calculus

    The circumference of a sphere was measured to be 78.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.
  61. CAL

    THe circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use the linear appoximation to estimate the maximum error in the calculated surface area. and estimate the relative error in the calculated surface area.
  62. math

    The circumference of a sphere was measured to be 82.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.
  63. math

    The leng of the smaller rectangle is 1 inch less than twice its wide. both the dimensions of the larger rectangle are 2 inches longer than the smaller rectangle. the area of the shaded region is 86 square inches. what is the area of the smaller rectangle?
  64. Math

    The circumference of a sphere was measured to be 89.000 cm with a possible error of 0.50000 cm. A. Use linear approximation to estimate the maximum error in the calculated surface area. B. Estimate the relative error in the calculated surface area.
  65. Math

    The circumference of a sphere was measured to be 89.000 cm with a possible error of 0.50000 cm. A. Use linear approximation to estimate the maximum error in the calculated surface area. B. Estimate the relative error in the calculated surface area.
  66. Calculus

    The circumference of a sphere was measured to be 76.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area.Estimate the relative error in the calculated surface area.
  67. sanket study centre

    In triangle ABC p,q,r such that they lie interior of triang ABC and AP=AR and all the three sides of triangle PQR are scalan if area of triangle PQR is 100 then find area of triangle ABC
  68. physics 1

    The base of a pyramid covers an area of 13.0 acres (1 acre = 43,560 ft2) and has a height of 481 ft. If the volume of a pyramid is given by the expression V = (1/3)bh, where b is the area of the base and h is the height, find the volume of this pyramid in cubic meters.
  69. 6th grade math

    Bernice made a kite by putting 2 triangles together The base of each trangle is 9 inches The height of each triangles is 12inches and the height of each triangles is 16 inches What is the area of the kite ? show your work (hint the area of a triangle is 1/2bh)
  70. calculus

    Determine the rate at which the surface area is changing with respect to time at t=2 min, assuming that r = 3 at t = 0 Assume that the radius r of a sphere is expanding at a rate of 14 in / min. Its surface area is 4(pi)r^2 Ds/dt= 4pi2rdr/dt i got 4pi2(28)(14) is that right or...
  71. Physics

    A wire of cross-sectional area 5.00x10^-6 m^2 has a resistance of 1.75 ohm. what is the resistance of a wire of the same material and length as the first wire, but with a cross-sectional area of 8.75x10^-6 m^2? I really want to understand what to do here, so detailed steps ...
  72. check my work geometry volume

    Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you!
  73. algebra2

    the ratio of the length to the width of a rectangle is 5:4. the perimeter of the rectangle is 72 inches. what are the dimensions of the rectangle? i got 40 and 32, am i right?
  74. math

    the length of a rectangle is 4cm less then twice its width. the perimeter of the rectangle is 34cm. what are the demensions of the rectangle?
  75. geometry

    A triangle has sides 12 ft, 14 ft, and 20 feet. The smallest side of another similar triangle measures 8 ft. What is the perimeter of the smaller triangle.
  76. geometry

    two sides of an equilateral trianlge measure (2y+3) units and (y^2-5) units. if the perimeter of the triangle is 33 units, what is the value of y?
  77. geometry

    two sides of an equilateral trianlge measure (2y+3) units and (y^2-5) units. if the perimeter of the triangle is 33 units, what is the value of y?
  78. math

    My new TV has a perimeter of 164 inches. Its width is 8 inches less than twice the height. How many inches wide is the TV?
  79. math

    A rectangular garden is 20 m by 25m. It is surrounded by a sidewalk. The outside perimeter of the sidewalk is 114m. What is the width of the sidewalk?
  80. math

    the perimeter of a rectangular garden is 40 meters. the length of the garden is 1 meter less than twice its with. what are the dimensions of the garden?
  81. math

    the perimeter of a rectangular garden is 40 meters. the length of the garden is 1 meter less than twice its with. what are the dimensions of the garden?
  82. Math

    A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (5, 1), (1, 1), and (1, 7). What is the perimeter of the triangle? 28 24 14---- my answer 10
  83. algebra

    The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle.
  84. algebra

    The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 66 cm. Find the dimensions of the rectangle.
  85. Geometry

    One side of a prallelogram is 4.8 cm and the other side is 3/2 times the first side,find the perimeter of the parallelogram
  86. Algebra

    Each of two sides of a triangular banner measures 24 in. If the perimeter of the banner is 62 in., what is the length of the third side of the banner?
  87. math

    The circumference of a sphere was measured to be 86 cm with a possible error of 0.2cm. Use differentials to estimate the maximum error in the calculated surface area. Please round the answer to the nearest tenth. What is the relative error in the calculated surface area? ...
  88. Science, please check my answer Ms Sue!

    How does a hurricane form? a.)It forms over a warm ocean water as a low-pressure area*** b.) it forms over a warm ocean as a high-pressure area. c.) it forms over cool ocean water as a low-pressure area d.) it forms over a cool ocean water as a high-pressure area. My answer is...
  89. math

    on a map of scale 1:20,000 the area of forest is 50cm^2 .on another map the area of forest is 8cm^2.find the scale of the second map.
  90. geometry

    a walkway 2 meters wide surrounds a rectangular play area 50 meters long and 30 meters wide. find the area of the walkway.
  91. Math

    A 10m by 20m pool is to be surrounded by a deck of uniform width. The area of the deck is twice the area of the pool, what is the width of the deck?
  92. Maths

    In a triangle ABC, D is the midpoint of BC and E is the midpoint of AD. if area of triangle ABC is 144 meter square then find the area of triangle DCE
  93. mats

    in a triangle ABC, D is the midpoint of BC and E is the midpoint of AD. IF area of triangle ABC is 144 centimetre square then find the area of triangle DCE
  94. Math

    they have 25 feet of fencing to build the compost bin what is the area of the largest bin they can build? what are the dimensions of the bin with the largest area
  95. math

    a square has side length of 6 inches. a parallelogram has a base of 6 inches. the area of the square is equal to the area of the parallelogram what is the height of the parallelogram?
  96. math

    The length of a rectangle is 5 cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle.
  97. 7th grade math

    Write and simplify an expression for the perimeter of the triangle. side A)3x, side B) 5x-4 and side C)2x+5. Thank you!
  98. Algebra

    The perimeter of a rectangular lot is 190 ft. The width of the lot is 15 ft more than the length. What are the dimensions of the lot?
  99. maths

    here is a rectangle with a width of 15.7 centimtres the perimeter of this rectangle is 85 centimetres calculate the lengh of the rectangle
  100. math

    A side of an equalateral triangle is 2/8 cm long. Draw a picture that shows the triangle. What is the perimeter of the triangle?
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