a) A carpet measuring (x + 4)m by (x + 1)m is laid down in a rectangular room measuring 2x m by x m leaving...

      

a) A carpet measuring (x + 4)m by (x + 1)m is laid down in a rectangular room measuring 2x m by x m leaving out uncovered floor near the walls all round the room. If the carpet is 36m², calculate the area of the uncarpeted floor.

b) If 20cm square tiles were used to carpet the uncarpeted section of the floor in (a) above, calculate the cost of carpeting the whole floor if the carpet costs sh300 per metre square and each tile costs sh100.

  

Answers

---

---

Wilfykil answered the question on August 29, 2019 at 08:09

Next: The probability of a couple getting a baby girl is 0.55 and that of a baby boy is 0.45. The couple intend to have two...
Previous: Use logarithm table to evaluate.

View More Mathematics Questions and Answers | Return to Questions Index

Learn High School English on YouTube

Related Questions

---

• The probability of a couple getting a baby girl is 0.55 and that of a baby boy is 0.45. The couple intend to have two...(Solved)
  

  The probability of a couple getting a baby girl is 0.55 and that of a baby boy is 0.45. The couple intend to have two children. Find the probability that they will be of different sexes.

  Date posted: August 29, 2019.  Answers (1)

• Three business partners Denga, Nyamita and cobe agreed to share shs. 1800 gained after a sale of property. For every shs. 1 that Denga gets,...(Solved)
  

  Three business partners Denga, Nyamita and cobe agreed to share shs. 1800 gained after a sale of property. For every shs. 1 that Denga gets, Nyamita gets 50cts and for every shs 2 that Nyamita’s gets cobe gets shs. 3. Find Nyamita’s share.

  Date posted: August 29, 2019.  Answers (1)

• Expand (1 + 2x)⁷ upto the term in x³. Use your expansion to estimate (1.02)⁷to 4dp.(Solved)
  

  Expand (1 + 2x)⁷ upto the term in x³. Use your expansion to estimate (1.02)⁷to 4dp.

  Date posted: August 29, 2019.  Answers (1)

• A point P divides the line RT in the ratio -2:5. Find the coordinates of P given R(3,1) and T(6,-5)(Solved)
  

  A point P divides the line RT in the ratio -2:5. Find the coordinates of P given R(3,1) and T(6,-5)

  Date posted: August 29, 2019.  Answers (1)

• (a) Find the standard deviation for the set of numbers 2, 5, 6, 7, 3, 8, 9, 8. (b) Suppose a constant term 5 is added...(Solved)
  

  (a) Find the standard deviation for the set of numbers 2, 5, 6, 7, 3, 8, 9, 8.
  (b) Suppose a constant term 5 is added to every number. Find the new standard deviation give a reason for your answer.

  Date posted: August 29, 2019.  Answers (1)

• Evaluate without using tables or calculator.(Solved)
  

  Evaluate without using tables or calculator.
  

  Date posted: August 29, 2019.  Answers (1)

• The figure below represents a scale diagram (not drawn to scale) of a coffee plantation. (Solved)
  

  The figure below represents a scale diagram (not drawn to scale) of a coffee plantation. Given that the scale used is 1cm to 50m. Calculate its area in hectares. AB = 7cm.
  

  Date posted: August 29, 2019.  Answers (1)

• Draw a line AB = 7.3cm. Using a ruler and a pair of compasses only, locate a point D such that AD : DB =...(Solved)
  

  Draw a line AB = 7.3cm. Using a ruler and a pair of compasses only, locate a point D such that AD : DB = 1 : 2.

  Date posted: August 29, 2019.  Answers (1)

• A map is drawn to a scale of 1 : 50,000(Solved)
  

  A map is drawn to a scale of 1 : 50,000 find;
  
  i) The distance in km between two places which are 25cm apart on the map.
  ii) The area in cm² of a field if the actual area of the field is 120,000m²

  Date posted: August 29, 2019.  Answers (1)

• Without using mathematical tables or a calculator, evaluate. Leaving your answer in surd form,(Solved)
  

  Without using mathematical tables or a calculator, evaluate. Leaving your answer in surd form,
  

  Date posted: August 29, 2019.  Answers (1)

• The interior angles of a heptagon are (3p + 25)^o,(Solved)
  

  The interior angles of a heptagon are (3p + 25)^o, (2p – 20)^o (2p + 35)^o, 100^o, 135^o, 150^o and 125^o. Find P.

  Date posted: August 29, 2019.  Answers (1)

• Four farmers took their cows to the market. Kilonzo had two more cows than Mutua. Kyengo had three times as many cows as Kilonzo whereas...(Solved)
  

  Four farmers took their cows to the market. Kilonzo had two more cows than Mutua. Kyengo had three times as many cows as Kilonzo whereas Mwondu had ten less cows than both Kilonzo and Kyengo
  
  a) Write a simplified algebraic expression with one variable representing the total number of cows.
  b) Three butchers bought all the cows and shared them equally. If each butcher got 17 cows, find the number of cows Mutua had.

  Date posted: August 29, 2019.  Answers (1)

• Evaluate:(Solved)
  

  Evaluate:
  

  Date posted: August 29, 2019.  Answers (1)

• Find b when a = 2, c = 4 and H = 6.(Solved)
  

  , Find b when a = 2, c = 4 and H = 6.

  Date posted: August 29, 2019.  Answers (1)

• A security guard observes that the angle of elevation to the top of an observation tower is 26^o.(Solved)
  

  A security guard observes that the angle of elevation to the top of an observation tower is 26^o. If he walks 55m towards the base of the tower, the angle becomes 47.5^o. What is the height of the tower?

  Date posted: August 29, 2019.  Answers (1)

• Given the matrix below is a singular matrix.Find the values of t.(Solved)
  

  Given the matrix below is a singular matrix.Find the values of t.
  

  Date posted: August 29, 2019.  Answers (1)

• Solve the equation(Solved)
  

  Solve the equation
  

  Date posted: August 29, 2019.  Answers (1)

• Solve the following simultaneous inequalities and state the integral values for the solution.(Solved)
  

  Solve the following simultaneous inequalities and state the integral values for the solution.
  

  Date posted: August 29, 2019.  Answers (1)

• A line L1, passes through (2, -3) and (-5, 1). Find the equation of another line L2 parallel to L1 and itself passing through (4,...(Solved)
  

  A line L1, passes through (2, -3) and (-5, 1). Find the equation of another line L2 parallel to L1 and itself passing through (4, -2).

  Date posted: August 29, 2019.  Answers (1)

• Three business people, Mutua, Kamau and Mwiti contributed a total of ksh.164,500 to start a retail business.(Solved)
  

  Three business people, Mutua, Kamau and Mwiti contributed a total of ksh.164,500 to start a retail business. The ratio of contribution of Mutua to Kamau was 2 : 3, that of Kamau to Mwiti was 4 : 5. How much did Mutua contribute?

  Date posted: August 29, 2019.  Answers (1)