Two similar containers have masses 256kgs and 128kgs respectively. If the surface of the smaller container has an area of 810 cm². What is the area of...

      

Two similar containers have masses 256kgs and 128kgs respectively. If the surface of the smaller container has
an area of 810 cm². What is the area of the corresponding surface of the large container.

  

Answers

---

---

sharon kalunda answered the question on May 7, 2019 at 08:53

Next: What are the recommendations of family planning?
Previous: Define Euthanasia.

View More Mathematics Questions and Answers | Return to Questions Index

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• Given that log of 7 = 0.8451 and log of 6 = 0.7782. Find log of 25.2(Solved)
  

  Given that 𝑙𝑜𝑔7 = 0.8451 𝑎𝑛𝑑 𝑙𝑜𝑔6 = 0.7782. 𝑓𝑖𝑛𝑑 𝑙𝑜𝑔25.2

  Date posted: May 7, 2019.  Answers (1)

• The equation of a line is -3/5x + 3y = 6 Find(Solved)
  

  The equation of a line is -3/5x + 3y = 6 Find
  a) The gradient of the line
  b) The equation of a line passing through the point (1,2) and is perpendicular to the given line

  Date posted: May 7, 2019.  Answers (1)

• Without using mathematical tables or calculators, evaluate.(Solved)
  

  Without using mathematical tables or calculators, evaluate.
  

  Date posted: May 7, 2019.  Answers (1)

• The table below shows heights of student in a certain school.(Solved)
  

  The table below shows heights of student in a certain school.
  
  a) Construct cumulative frequency distribution table. (2 marks)
  b) Draw cumulative frequency curve (o-give) for the above data.
  c) From the o-give curve
  i) Find the percentage of students whose height is below 166cm.
  ii) Find the quartile deviation.

  Date posted: May 7, 2019.  Answers (1)

• A triangle has vertices A (1,2), B (7,2) and C (5,4)(Solved)
  

  A triangle has vertices A (1,2), B (7,2) and C (5,4)
  a) Draw ABC on the Cartesian plane.
  b) Construct the image triangle 𝐴1𝐵1𝐶1 of triangle ABC under negative quarter turn about the origin.
  c) Draw triangle 𝐴11𝐵11𝐶11 the image of triangle 𝐴1𝐵1𝐶1 under reflection in the line y=x. State the coordinates
  of 𝐴11𝐵11𝐶11.
  d) Find a single matrix of transformation which maps triangle ABC on to triangle𝐴11𝐵11𝐶11
  e) Describe a single transformation that maps triangle 𝐴11𝐵11𝐶11 on triangle ABC.

  Date posted: May 7, 2019.  Answers (1)

• The probability that three dart players Akinyi, kamau and Juma hit bull’s eye are 0.2, 0.3 and 0.15 respectively.(Solved)
  

  The probability that three dart players Akinyi, kamau and Juma hit bull’s eye are 0.2, 0.3 and 0.15 respectively.
  a) If each plays once show the possible outcomes on a tree diagram.
  b) Calculate the probability that
  i)All hit the bulls eye
  ii)Only one hit the bulls eye
  iii)Almost one misses the bulls eye.

  Date posted: May 7, 2019.  Answers (1)

• a) Using mid-ordinate rule, estimate the area under the curve y =1/2x² - 2. Using six strips between x=2 and x=8and x-axis.(Solved)
  

  a) Using mid-ordinate rule, estimate the area under the curve y =1/2x² - 2. Using six strips between x=2 and x=8
  and x-axis.
  b) Using intergration to determine the exact area under the curve.
  c) Find the percentage error in calculating the area using the mid-ordinate rule.

  Date posted: May 7, 2019.  Answers (1)

• In the figure below A and B are centres of circles. PQ=12cm is an internal tangent AB=15cm and the ratio of the radii is 2:3(Solved)
  

  In the figure below A and B are centres of circles. PQ=12cm is an internal tangent AB=15cm and the ratio of the radii
  is 2:3
  
  Calculate :
  a) The radii of the circles
  b) Distance AT and TQ

  Date posted: May 7, 2019.  Answers (1)

• The table shows income tax rates.(Solved)
  

  The table shows income tax rates.
  
  A company employee earn a monthly basic salary of Ksh. 30,000 and is also given taxable allowances amounting to
  Ksh. 10480.
  a) Calculate the total income tax.
  b) The employee is entitled to a personal tax relief of Ksh. 800 per month. Determine the net tax.
  c) If the employee received a 50% increase in his total income. Calculate the corresponding percentage increase on the
  income tax.

  Date posted: May 7, 2019.  Answers (1)

• Obtain the integral values of x for which 3 < 27^x< 81(Solved)
  

  Obtain the integral values of x for which 3 < 27^x< 81

  Date posted: May 7, 2019.  Answers (1)

• The length and width of a rectangle are 8.3cm and 4.2cm respectively correct to the nearest millimeter. Calculate the percentage error in the area of the...(Solved)
  

  The length and width of a rectangle are 8.3cm and 4.2cm respectively correct to the nearest millimeter. Calculate the
  percentage error in the area of the rectangle.

  Date posted: May 7, 2019.  Answers (1)

• Find the equation of the normal to the curve. y = x² + 4x - 3 at point (1,3)(Solved)
  

  Find the equation of the normal to the curve.
  y = x² + 4x - 3 at point (1,3)

  Date posted: May 7, 2019.  Answers (1)

• A quantity y varies partly as x² and partly as x. When y=6, x=1 and when y=30, x=3.Find y when x=3.(Solved)
  

  A quantity y varies partly as x² and partly as x. When y=6, x=1 and when y=30, x=3.Find y when x=3.

  Date posted: May 7, 2019.  Answers (1)

• Point P(40⁰S, 45⁰E) and point Q (40⁰S, 60⁰W) are on the surface of the earth. Calculate the shortest distance along a circle of latitude between...(Solved)
  

  Point 𝑃(40⁰𝑆, 45⁰E) and point Q (40⁰𝑆, 60⁰𝑊) are on the surface of the earth. Calculate the shortest distance along a circle of latitude between the two points.

  Date posted: May 7, 2019.  Answers (1)

• The cost of the 2 brands of coffee A and B per kg are sh. 59.40 and sh. 72 respectively. The two brands are mixed...(Solved)
  

  The cost of the 2 brands of coffee A and B per kg are sh. 59.40 and sh. 72 respectively. The two brands are mixed in the
  ratio x: y and sold at a profit of 20 % above the cost. If the selling price per kg of mixture is sh. 72. Find the value of x
  and y.

  Date posted: May 7, 2019.  Answers (1)

• The 3rd term of a geometric sequence is 20 and the 6th term is -160. Calculate the 8th term.(Solved)
  

  The 3rd term of a geometric sequence is 20 and the 6th term is -160. Calculate the 8th term.

  Date posted: May 7, 2019.  Answers (1)

• Solve 4 - 4 Cos² x = 4 sin x - 1 for....(Solved)
  

  Solve 4 - 4 Cos² x = 4 sin ?? - 1 for 0⁰ <_ x <_ 360⁰

  Date posted: May 7, 2019.  Answers (1)

• Simplify the following(Solved)
  

  Simplify the following
  

  Date posted: May 7, 2019.  Answers (1)

• A cold water tap can fill a bath in 10 minutes while a hot water tap can fill it in 8 minutes. The drainage pipe...(Solved)
  

  A cold water tap can fill a bath in 10 minutes while a hot water tap can fill it in 8 minutes. The drainage pipe can empty
  the bath in 5 minutes. The cold water and hot water taps are opened for 4 minutes all the 3 taps are opened. Find how
  long it will take to fill the bath.

  Date posted: May 7, 2019.  Answers (1)

• Object A of area 10 cm² is mapped on to its image B of area 60 cm² by transformation whose matrix is given below. Find the positive values...(Solved)
  

  Object A of area 10 cm² is mapped on to its image B of area 60 cm² by transformation whose matrix is given below.Find the positive values of x
  

  Date posted: May 7, 2019.  Answers (1)