area, perimeter

20,615 results, page 80

  1. calc

    The altitude of a triangle is increasing at a rate of 1.000 centimeters/minute while the area of the triangle is increasing at a rate of 3.000 square centimeters/minute. At what rate is the base of the triangle changing when the altitude is 11.500 centimeters and the area is ...
  2. Chemistry

    Can someone please check my work? Which of the four factors affecting reaction rate is most important in each exampel below? Choose from among concentration, temperature, surface area, and catalyst. a. Extra dish soap is added to help cut the grease when washing a frying pan...
  3. Fluid Mechanics

    A circular disc having a diameter of 125cm is immersed in water so that the distance of its perimeter measured vertically below the water surface varies between 60cm and 150cm. Find the total force due to the water acting on one side of the lamina, and the vertical distance of...
  4. Fluid Mechanics

    A circular disc having a diameter of 125cm is immersed in water so that the distance of its perimeter measured vertically below the water surface varies between 60cm and 150cm. Find the total force due to the water acting on one side of the lamina, and the vertical distance of...
  5. Fluid Mechanics

    A circular disc having a diameter of 125cm is immersed in water so that the distance of its perimeter measured vertically below the water surface varies between 60cm and 150cm. Find the total force due to the water acting on one side of the lamina, and the vertical distance of...
  6. Fluid Mechanics

    A circular disc having a diameter of 125cm is immersed in water so that the distance of its perimeter measured vertically below the water surface varies between 60cm and 150cm. Find the total force due to the water acting on one side of the lamina, and the vertical distance of...
  7. Fluid Mechanics

    A circular disc having a diameter of 125cm is immersed in water so that the distance of its perimeter measured vertically below the water surface varies between 60cm and 150cm. Find the total force due to the water acting on one side of the lamina, and the vertical distance of...
  8. Math

    Completely bemused, do not know how to get the answer. a)8π b)7√2 c)27√π d)7√×7√×1 13- Determine the exact total surface area of a sphere with radius 2√2 metres. a) An inverted cone with side length 4 metres is placed on top of the ...
  9. maths

    a cylindrical cake with radius 12cm and height 10cm has a slice cut out. The shape of the top of the slice is a sector of the circle that forms the top of the cake. a) Calculate the area on top of the slice that has been cut out. b) Calculate the volume of the cake that ...
  10. maths

    a cylindrical cake with radius 12cm and height 10cm has a slice cut out. The shape of the top of the slice is a sector of the circle that forms the top of the cake. Exluding the sliced piece, the angle is 320 degrees. a) Calculate the area on top of the slice that has been cut...
  11. maths

    a cylindrical cake with radius 12cm and height 10cm has a slice cut out. The shape of the top of the slice is a sector of the circle that forms the top of the cake. Exluding the sliced piece, the angle is 320 degrees. a) Calculate the area on top of the slice that has been cut...
  12. maths

    a cylindrical cake with radius 12cm and height 10cm has a slice cut out. The shape of the top of the slice is a sector of the circle that forms the top of the cake. Exluding the sliced piece, the angle is 320 degrees. a) Calculate the area on top of the slice that has been cut...
  13. Math(Please check)

    I posted this question a few days ago and someone answered it but I just wanted to make sure that I copied down the correct answers and didn't misunderstand anything. Related Rates: Gas is escaping a spherical balloon at the rate of 2ft^3/min. How fast is the surface area ...
  14. Math

    Square miles 66, 000 and 1, 000, 000 people. Population density is a rate that is indicates how crowed and area is. A proportion is used to find population density, or number of persons per square mile. Population/area = number of persons/1 square mile. Which of the following ...
  15. MTH 156

    a function machine accepts inputs as ordered pairs. the components of the ordered pairs are natural number and the first component is the length of a rectangle and the second component is the width. The given machine computes the perimeter (the distance around the rectangle). ...
  16. math

    Robert planted pumpkins to sell. Their garden has 5 sides. 5 feet 8 inches, 7 feet 8 inches, 10 feet 3 inches, 7 feet 5 inches, 7 feet 11 inches. What is the perimeter of their garden?
  17. Geometry

    An isosceles trapezoid has a perimeter of 42 inches. Each of the congruent nonparallel sides is 5 inches long and the trapezoid is 3 inches tall. How long are the two parallel sides? A. 10 in, 22 in B. 16 in, 16 in C. 10 in, 16 in D. 12 in, 20 in * I understand that you add ...
  18. Math

    how to explain to my child this math problem : davia draws a shape with 5 sides .Two sides are each 5 inches long . Two other sides are 4 inches long.The perimeter of the shape is 27 inches . What is the length of the fifth side?
  19. algebra

    As isosceles triangle has two sides of equal length. If the third side of an isosceles triangle is five inches longer than one of the equal sides, and the perimeter is 26 inches, find the length of each side.
  20. Math

    There's a rectangle. On 1 side is 8 which is the Length side I have to find out how long the width side is. The whole perimeter has to equal 25 P=25 So if both length sides are 8 then that equals 16. Now I have to see how much both width sides are I did 25-16 and I got 9 then ...
  21. math

    A rectangular photograph is mounted on a rectangular card. There is a border ofequal width around the photograph. The perimeter of the card is 40 centimeters longer than that of the photograph. Find the width of the border in centimeters.
  22. math

    A rectangular photograph is mounted on a rectangular card. There is a border ofequal width around the photograph. The perimeter of the card is 40 centimeters longer than that of the photograph. Find the width of the border in centimeters.
  23. Algebra

    Please help me with this Algebra problem: The length of a rectangle is 91 less than six times the width of the rectangle. If the perimeter of the rectangle is 84 centimeters, what is the length of the rectangle? Write a system of equations for this situation and find its ...
  24. Physics

    An airplane is moving through the air at a velocity v = 227 m/s. Streamlines just over the top of the wing are compressed to 80% of their original area, and those under the wing are not compressed at all. (a) Determine the velocity of the air just over the wing. (b) Find the ...
  25. Physics

    A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places) 1.000cm = 0.01m 2.900cm...
  26. Physics

    A steel bar has a rectangular cross section measuring 1.000cm by 2.900cm and is 8.700m in length. A load of 189000.00N causes the bar to extend 1.500mm. Calculate the stress and strain produced. ANS 1 = kPa (3 decimal places) ANS 2 = (6 decimal places) 1.000cm = 0.01m 2.900cm...
  27. Math ----- Calculus -- Word Problem

    A cylinder is to be constructed so that its height plus the perimeter of its base must equal to 2pi cm. Find the ratio of the radius of this cylinder to its height if it is to have a maximum volume. My work: SA = 2pirh + 2pir^2 2pi = 2pirh + 2pir^2 0 = 2pirh + 2pir^2 - 2pi h...
  28. Forensic Science

    I have to order these steps that a CSI would do upon arrival of scence. 1. Look for identification on the body. 2. Notify the Medical Examiner to determine if head injury is sufficient to cause death. 3. Have the forensic laboratory analyze blood on trail and match it to blood...
  29. 8th grade Math

    This four-leaf clover consists of four coplanar circles. Each circle is externally tangent to two others, as shown. The two smaller circles are congruent, and the two larger circles are congruent. A square is constructed such that each of its four vertices is also the center ...
  30. Geometry

    A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle? A. 3 feet, 4 feet, and 5 feet B. 1.5 feet, 1.25 foot, and 1.25 foot C. 2 feet, 0.5 feet, and 1.8 feet D. 4 feet, 4 feet, and ...
  31. Math Ms Sue ???

    The image of an eraser in a magnifying glass is three times the eraser’s actual size and has a width of 14.4 cm. What is the actual width of the eraser in cm? a) 14.4 cm. b) 3 cm. c) 43.2 cm. d) 4.8 cm. is it C? A square has 16-cm sides. What is the perimeter of the image of...
  32. math

    Multiple Choice 1. Write the following ratio in simplest form: 32 min : 36 min (1 point) 8 : 9 8 : 36 32 : 9 128 : 144 2. In a sports equipment locker, there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form. (1 point) 9 : 5 10 : ...
  33. Math-II

    Rectangle A and B are similar. The ratio of rectangle B's width to rectangle A's width is 3:2. Rectangle A has a length of 24 inches and a width of 16 inches. What is the perimeter of rectangle B?
  34. computer

    I need help ?you are employed as an IT manager in GOTEC ,which is a small sized company (with 20 employers )that is based in London ,the company sells desktop computers and accessories . to help develop your understanding about basics of computer networking ,you have been ...
  35. Trig

    The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (a) Find the area of triangle PQR. (b) Find the length of the projection of segment PQ onto segment PR. (c) Find the length of segment QR. (d) Find the sizes of the...
  36. math

    Sealing a Gym Floor A gymnasium floor has an area of 2400 square yards. Each gallon of floor sealant covers an area of 350 square feet. How many gallons of sealant are needed to cover the gymnasium floor? should the equation be set as 2400 sq. yards = 7200 sq. feet 7200 sq ft...
  37. math

    The area of a parallogram is 128 sq miles . Find its base &height . 2x-4. 2x+ 4
  38. Algebra

    What are the formulas for the area of a rectangle, square, triangle, parallelogram, and trapezoid?
  39. Math/Physics

    Why is I(x)=dP/dx*1/A x is the wavelenght lambda I is the intensity (I=P/A) P is the power A is the area Thanks in advance
  40. Math

    Find the area between y=3sinx and y=3cosx over the interval [0,pi].
  41. geometry

    What is the surface area of this right cylinder? Dimensions are in meters. Use 3.14
  42. math

    how do the find an area, in square units of a figure plotted on a graph?
  43. math

    how do you find an area of a figure, in square units plotted on a graph?
  44. mats

    The volume of a cube is 512 cm cubic.Find its surface area ?
  45. Calculus

    Area of rectangle = xy = xã(4r^2 - x^2) Take the derivative. I am having trouble with the algebra.
  46. Pre-Algebra

    What is the formula to find the area of a circle? May I have an example?
  47. Geometry

    Find the area of a triangle whose vertices have coordinates (2,-5), (6,1), and (-3,-4)
  48. social

    why was the hudson bay area important to the british fur trade?
  49. geometry

    find the area of a square if each side measures 10 cm. my answer is 100 cm
  50. US History

    How did the Native Americans respond to the expansion of English settlement in each area?
  51. math

    find the area of a triangle w/ sides 4x, 5x and 7x Round to the nearest hundredth thanks for your help
  52. world geogrophy

    What is the Caribbean island with the second largest land area?
  53. math

    A table-top measures 2m by 1m 50cm.What is its area in square metres?
  54. CALC URGENT

    find the area enclosed by the curves y=absolute value of x and y=x^2+2
  55. calc

    Find the total area enclosed by the curves y= absolute value of x; y=x^2–2
  56. maths

    how do i find the area of a semi circle with a radius of 6 cm rounded to 2dp?
  57. Calculus

    Determine the area of the region enclosed by the limaçon r=5+2sin(theta)
  58. science

    what is an area where an oceanic plate goes down into the mantle?
  59. science

    what is an area where an oceanic plate goes down into the mantle
  60. math

    If a rectangular prism has a length of 14 cm. , width of 11 cm. , height of 19 cm. , what is the surface area?
  61. Math

    how do you find the volume and surface area of a regular triangular pyramid?
  62. math

    find the length of a side of a square whose area is 400 cm^2
  63. Math

    A cylinder has a diameter of 6 ft and a height of 3 ft. Find its surface area and volume.
  64. Math

    If a ractangle has a length of 2x-1 and width x+5 and has an area of 156 square units, what is x?
  65. geometry

    What is the diameter of a wheel whose area is 264 square inches?
  66. economics

    How would you classify the power industry in your area? in wisconsin any sites?
  67. geometry

    Find a function that models the area A of a circle in terms of its circumference C.
  68. Science

    What is the geographical location of lakes and ponds? like the main area that they are in... thanks:)
  69. math

    the Area of a parallelogram is 60ft2 the height is 5ft how long is the base
  70. Calculus

    What is the area of the largest rectangle that can be placed in a 5-12-13 right triangle (as shown)?
  71. Trig

    Find the area of the triangle. b=125 c=162 <B=40 (b and c are the sides) (<B is the angle)
  72. chemistry

    what is the relationship between the area a force is applied to and the resulting pressure?
  73. Math

    Find the area under the standard normal curve to the right of z = -1.25.
  74. S.S.

    What were the purpose of Darius and Xerxes in the Persian Empireand how did they govern a large area of it?
  75. Math

    The area of a room is 200,000 cm2. How many square meters is that
  76. geometry

    Find the area of a square inscribed in a circle of radius 10cm
  77. science

    What is a term for a group of interbreeding organisms living in the same area?
  78. math

    if the altitude of a triangle is doubled and the base is multiplied by 3,what is the effect on the area?
  79. math

    compare the units for primmeter,area,and volume how are they diffrent and how are they the same
  80. 5th grade math

    find the surface area of a rectangular with the measurements of 4 5 and 8
  81. science

    what will happen if you increase the surface area of a solid in a chemical reaction?
  82. calculus

    find the area of the regions enclosed by the lines and curves. x+y^2=0 and x+3y^2=2 i know the answer is 8/3, but i don't know how to get it.
  83. math

    find the area of the triangle with the given sides B= 70 degrees 30' ; a=105 ; c=64
  84. Geometry

    A circle has a radius of 6 in. The inscribed equilateral triangle will have an area of: ?
  85. mathematics

    if a circle has a radius of 6 inches,what will the area of the circumscribed equilateral triangle be?
  86. geometry

    An isosceles trapezoid has bases of 4 and 10. If the base angle is 45°, find the area.
  87. Science, Grade 8

    Why is increasing the surface area of the small intestine important?
  88. 12th grade

    The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
  89. Algebra

    If a square handkerchief has an area of w^2+4w+4feet, what is the length of one side?
  90. Calculus

    Use the cross product to find the area of the triangle with vertices: P=(1,1,5) Q=(3,4,3) R=(1,5,7)
  91. algegra

    what is the volume of each rectangular prism. base area 56 in squared,height 6 in
  92. WORLD GEOGRAPHY

    A LOW-LATITUDES AREA OF VERY LITTLE WIND IS KNOWN AS:
  93. social studies

    vocabulary an area that has one or more features in common.
  94. Geometry

    Trapezoid JKLM has an area of 54 ftsqd. IF RC=6ft and ML=8ft, find JK
  95. math

    find the area of rectangle with base of 2cm and height of 4cm
  96. science

    name two ways mountains can effect the climate of an area
  97. Calculus

    How do you find the area under the witch of agnesi? (for all radii)
  98. social studies

    what are three methods to survey an area in archeological process?
  99. math

    Find the maximum area of a rectangle inscribed between the x-axis and f(x)=-x^4+3
  100. Calculus

    what is Trapezoidal rule? How does it work in finding the area under the curve(s)?
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