A mathematics textbook which is actually 24.3cm long is measured as 24.5cm. Calculate the percentage error in this measurement giving your answer correct to 3 s.f

      

A mathematics textbook which is actually 24.3cm long is measured as 24.5cm. Calculate the
percentage error in this measurement giving your answer correct to 3 s.f

  

Answers

---

---

Kavungya answered the question on November 2, 2019 at 06:54

Next: Solve the equations x²+2xy = 25 - y² x = y
Previous: Make P the subject of the formula

View More Mathematics Questions and Answers | Return to Questions Index

Learn High School English on YouTube

Related Questions

---

• Solve the equations x²+2xy = 25 - y² x = y (Solved)
  

  Solve the equations
  x²+2xy = 25 - y²
  x = y

  Date posted: November 2, 2019.  Answers (1)

• Use logarithms to evaluate (Solved)
  

  Use logarithms to evaluate
  

  Date posted: November 2, 2019.  Answers (1)

• The figure below shows a transverse pulley systems. The wheels have radius 15cm and 10cm respectively. If O₁X=30cm and XO₂ =20cm Calculate: (a) AO₁C (b) DO₂F (c) Length AD...(Solved)
  

  The figure below shows a transverse pulley systems.
  
  The wheels have radius 15cm and 10cm respectively. If O₁X=30cm and XO₂ =20cm
  Calculate:
  (a) AO₁C
  (b) DO₂F
  (c) Length AD to 4 decimal places
  (d) Length BE
  (e) Length of arc ABC and BEF.
  (f) The length of the belt

  Date posted: November 2, 2019.  Answers (1)

• A bus left town A at 5:20am to town B 610km away at an average speed of 60km/hr. After 3 hrs 10 minutes, a van...(Solved)
  

  A bus left town A at 5:20am to town B 610km away at an average speed of 60km/hr. After 3 hrs 10 minutes, a van left town B and travelled towards A at an average speed of 80km/hr.
  (a) (i) At what time did they meet
  (ii) How far from A was the meeting point
  b) A car left town B at 9:00am and travelled towards A at an average speed of 100km/hr.
  Determine
  (i) The time the car caught up with the van
  (ii) The distance the car travelled to catch up with the van.

  Date posted: November 2, 2019.  Answers (1)

• A triangle has vertices P(1,2) Q(3,5) and R(5,3) a) Draw triangle PQR and its image P₁Q₁R₁ under a translation vector b) Draw triangle P_II Q_II R_II ,...(Solved)
  

  A triangle has vertices P(1,2) Q(3,5) and R(5,3)
  a) Draw triangle PQR and its image P₁Q₁R₁ under a translation vector
  b) Draw triangle P_II Q_II R_II , the image of triangle P_I Q_I R_I under a rotation of half turn about the origin
  c) Triangle P_III Q_III R_III is the image of triangle P_II Q_II R_II under reflection in the line y=x.
  Draw triangle P_III Q_III R_III and state its co-ordinates.
  d) Triangle P_III Q_III R_III is reflected in the line x=0. State the co-ordinates of its image

  Date posted: November 2, 2019.  Answers (1)

• Find the equation of the normal to the curve y=x² – 4x + 5 at the point (4,5)(Solved)
  

  Find the equation of the normal to the curve y=x² – 4x + 5 at the point (4,5)

  Date posted: November 1, 2019.  Answers (1)

• Owitti bought 2 pencils and 3 rubbers and paid shs 19.50. Tanui bought the same types of pencils and rubbers as Owitti. Tanui bought 1 pencil...(Solved)
  

  Owitti bought 2 pencils and 3 rubbers and paid shs 19.50. Tanui bought the same types of pencils and
  rubbers as Owitti. Tanui bought 1 pencil and 5 rubbers and paid shs 22. Calculate the cost of each
  item.

  Date posted: November 1, 2019.  Answers (1)

• The figure below shows the graph of velocity V m/s against time, t seconds of a bus. If the bus traveled a distance of 40 metres,...(Solved)
  

  The figure below shows the graph of velocity V m/s against time, t seconds of a bus. If the bus
  traveled a distance of 40 metres, in the first four seconds, calculate the total distance for the whole
  journey.
  
  Find the position vectors of the point P where AP = 1/4 AB

  Date posted: November 1, 2019.  Answers (1)

• Solve for x in the equation 5(4)^-x = 2.50(Solved)
  

  Solve for x in the equation
  5(4)^-x = 2.50

  Date posted: November 1, 2019.  Answers (1)

• Juma needs to import a car from Japan whose cost is US $ 5000 outside Kenya. He intends to buy the car through an agent...(Solved)
  

  Juma needs to import a car from Japan whose cost is US $ 5000 outside Kenya. He intends to buy the car through an agent who deals in Japanese yen. The agent will charge him 20% commission on the price of the car and a further 80325 Japanese yen for shipment of the car. How many Kshs will he need to send to the agent to get the car given that
  1 US $ = 105.00 Japanese yen
  1 US $ = KShs 63.00

  Date posted: November 1, 2019.  Answers (1)

• ABCD is a parallelogram. DAB=124^o. The bisectors of angle BCD and angle ADC meet at x. Find angle DXC (Reflex)(Solved)
  

  ABCD is a parallelogram. DAB=124^o. The bisectors of angle BCD and angle ADC meet at x. Find angle DXC (Reflex)
  

  Date posted: November 1, 2019.  Answers (1)

• Find the inequalities that defines the region marked R in the diagram below.(Solved)
  

  Find the inequalities that defines the region marked R in the diagram below.
  

  Date posted: November 1, 2019.  Answers (1)

• Factorize completely (Solved)
  

  Factorize completely
  

  Date posted: November 1, 2019.  Answers (1)

• In this question, do not use calculators Calculate the obtuse angle, the line segment in the diagram below, makes with the line y=0 (Line is not drawn...(Solved)
  

  In this question, do not use calculators
  Calculate the obtuse angle, the line segment in the diagram below, makes with the line y=0
  (Line is not drawn to scale)
  

  Date posted: November 1, 2019.  Answers (1)

• (a) Construct triangle PQR where PQ = 6cm, QR = 9cm and PR = 8cm. (b)Drop a perpendicular from P to meet QR at M. Measure...(Solved)
  

  (a) Construct triangle PQR where PQ = 6cm, QR = 9cm and PR = 8cm.
  (b)Drop a perpendicular from P to meet QR at M. Measure PM hence calculate the area of
  triangle PQR

  Date posted: November 1, 2019.  Answers (1)

• Evaluate (Solved)
  

  Evaluate

  Date posted: November 1, 2019.  Answers (1)

• Simplify the expression and hence solve the equation(Solved)
  

  Simplify the expression and hence solve the equation

  Date posted: November 1, 2019.  Answers (1)

• Without using calculators or mathematical tables evaluate: 4.8 – 5.2 + 0.54 ÷ 0.7(Solved)
  

  Without using calculators or mathematical tables evaluate:
  4.8 – 5.2 + 0.54 ÷ 0.7

  Date posted: November 1, 2019.  Answers (1)

• In the figure below OAB is a triangle in which OS =3/4 OA and AR:RB = 2:1 Lines OR and SB meet at T. a)Given that...(Solved)
  

  In the figure below OAB is a triangle in which OS =3/4 OA and AR:RB = 2:1 Lines OR and SB meet at T.
  
  a)Given that OA =a and OB =b, express in terms of a and b
  i)AB
  ii)OR
  iii)SB
  b)Given that ST=mSB and OT=nOR, determine the values of the scalars m and n

  Date posted: October 30, 2019.  Answers (1)

• Three quantities P, Q and R are such that P varies directly as the square of Q and inversely as the square root of R. a)Given...(Solved)
  

  Three quantities P, Q and R are such that P varies directly as the square of Q and inversely as the square root of R.
  a)Given that P = 20 when Q = 5 and R = 9. Find P when Q = 7 and R = 25
  b)If Q increased by 20% and R decreased by 36%, find the percentage change in P

  Date posted: October 30, 2019.  Answers (1)