maths

Most popular questions
  1. Maths

    If m times the 'm'th term of an A.P. be equal to n times the 'n'th term, show that is (m+n)th term is zero.

    asked by Satish on January 29, 2019
  2. Maths

    Prove that max & min values of asinx+bcosx are =/- (a^2+b^2)^1/2

    asked by Alok on July 12, 2013
  3. maths

    a man loses 12.5% of his money & after spending 70% of the remainder , he was left with Rs 210/- . the money he had at the beginning is?

    asked by rupesh on October 21, 2009
  4. maths

    Which angle between 0° and 360° has the same cosine as the angle 58°? give your answer as an integer. how do i do this please?

    asked by susan on May 8, 2011
  5. maths

    Find the equation to the cone whose vertex is the point (a,b,c) and whose generating lines intersects the conic px2 + qy2 = 1, z = 0.

    asked by mukesh on January 20, 2018
  6. maths

    ABCDE is a Pentagon with BE parallel to CD and BC parallel to DE. BC is perpendicular to CD. if the perimeter of ABCDE is 21cm. Find the value of x and y.

    asked by geometry on July 11, 2014
  7. maths

    Starting from one oasis, a camel walks 25km in a direction 30 degrees south of west and then walks 30km toward the north to a second oasis. What distance separates the two oases?

    asked by christine on June 6, 2011
  8. Maths

    We have Rs.100/-.If we spend Rs.100/-and balance is Rs.102/-,show how is Rs.2/-extra Spent Balance Day 1 Rs 40 Rs 60 Day 2 Rs 30 Rs 30 Day 3 Rs 18 Rs 12 Day 4 Rs 12 Rs 00 -------- -------- Total Rs 100 Rs102......?

    asked by Sam on February 28, 2016
  9. maths

    If the zero of the polynomial x2 + px +q and double of the zero of 2x2 - 5x-3 respectively find values of p and q?

    asked by kamaraj on June 11, 2016
  10. Maths

    Three numbers are in the ratio 2:3:5. The first number, second number reduced by 5 and the third number form an arithmetic sequence. Then the three numbers are

    asked by Suriya on July 6, 2017
  11. Maths

    jason went shopping, he bought a watch and a pair of trainers for a total price of £53.55, this price includes a 15%loyalty discount. before the discount the trainers were priced at £38 work out the price of the watch before the discount

    asked by hayden on October 26, 2017
  12. maths

    a rectangular tank 30cm×20cm×12cm contains water to a depth of 6 cm.A metal cube of side 10 cm is placed in the tank with one face resting on the bottom of the tank.find the volume of the water in the litre must be poured in the tank so that the metal

    asked by ambuj on December 1, 2015
  13. maths

    What is the 50th term of the linear sequence below? 27 , 25 , 23 , 21 , 19 ,

    asked by ro on October 16, 2018
  14. Maths

    A speed camera takes two photographs of a car.Photo 2 was taken 0.5 seconds after Photo 1.Marks on the road are 0.8 meters apart.Calculate the average speed of the car in m/s? 7.2 m/s but when i submit answer i get 2 marks only not full 3 marks what am I

    asked by Anonymous on March 4, 2017
  15. maths

    A town's population increased by 1200 people,and then this new population decreased 11%. The town now had 32 less people than it did before the 1200 increase. Find the original population.

    asked by Tejaswi on July 6, 2015
  16. maths

    solve: tanx+tan2x+√3tanx tan2x=√3 (0

    asked by rabin on January 2, 2017
  17. maths

    sarah invested £12000 in a unit trust 5 years ago, the value of the unit trust increased by 7% per annum for each of the last 3 years. before this the price had decreased by 3% per annum. calculate the current price of the unit trust

    asked by hayden on October 26, 2017
  18. maths

    A rectangular sheet of paper 30 cm X 18cm can be transformed into a right circular cylinder in two ways - by rolling the paper along its length or by rolling it along its breadth . Find the ratio of the volume of two cylinders formed.

    asked by Anonymous on January 2, 2013
  19. Maths

    Amita wants to make a mold for a candle. She wants the shape of the candle to be rectangular prism with a volume of exactly 28 cubic cm. The answer for this question is given as 10 molds. Can you explain in detail how the answer is 10 to better understand.

    asked by Shelly on March 31, 2016
  20. maths

    an amount of Rs 5000 is put into three/investments at the rate of interest of 6%, 7%, 8% per annum respectively; the total annual income is Rs 35800. If the combined income from first two investments is Rs 70 more than the income from the third. Find

    asked by edward on July 1, 2013
  21. maths

    ABC company currently has 1/4 fewer computers than it has employees,if they currently have 80 employees and they want to hire 5% more.how many computers will they need to buy to ensure that each employees has one?

    asked by Gladys on October 8, 2016
  22. Maths

    If ABCDEF is a regular hexagon then prove that ab+ac+ad+ea+fa=4ab

    asked by Hari bhatta on July 25, 2018
  23. Maths

    3. Which of the following examples would show a negative trend? A) height and weight of students B) test scores and height of students C) outside temperature and heating bill D) none of these 4. The scatter plot below shows the relationship between the

    asked by Like I'd Tell You. on March 4, 2016
  24. maths

    study ways of raising a loan to buy a car or house e.g bank loan

    asked by harsh on June 20, 2016
  25. MAths

    A four-wheel-drive vehicle is transporting an injured hiker to the hospital from a point that is 30 km from the nearest point on a straight road. The hospital is 70 km down that road from that nearest point. If the vehicle can drive at 30 kph over the

    asked by Rajesh on December 15, 2015
  26. Maths

    Principal - 6000 Rate - 5% Effective Date - May 15 Maturity Date - November 1 Partial Payment Amount - $1500 Partial Payment Date -August 15 Also Answer the following questions: 1. NUMBER OF DAYS BETWEEN EFFECTIVE DATE AND PARTIAL PAYMENT = 2. INTEREST ON

    asked by Kim on March 10, 2008
  27. maths

    Betty paint twice as fast as Dan. when working together Betty and Dan can paint 2400 square feet in 4 hours,another employee,sue joined their painting team.working together Dan,Betty and Sue can paint 36000 square feet in 3 hours. if sue works alone,how

    asked by Gladys on October 8, 2016
  28. maths

    Insert three geometric means between 1 and 81.

    asked by ELIJAH HAVA on April 28, 2013
  29. maths

    To fill a swimming pool two pipes are to be used.If the pipe of larger diameter I'd used for 4 hours and the pipe of smaller diameter for 9 hours only half the pool can be filled .Find ,how long it would take for each pipe to fill the tank separately, if

    asked by Harshita on March 18, 2016
  30. maths

    a train of length 100m runs at a speed of 120km/hr from north to south. another train of length 150m travels with a speed of 80 km/hr from south to north. what is the time required to cross each other ?

    asked by mahesh on May 29, 2017
  31. Maths

    An aeroplane flies from a town X on a bearing of N 45 degree E to another a town Y on a distance of 200km.it then changes course and flies to another town Z on a bearing of S 60 degree E.if Z is directly east of X.Calculate (a) the distance from X to Y (b)

    asked by Bright on August 24, 2015
  32. maths

    What is the gradient of a line that has an angle of inclination of 75°? Enter the answer, rounded to 4 significant figures in the box below. the answer should be a number. ???

    asked by elizabeth on May 8, 2011
  33. Maths

    Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects respectively. An examinee is selected at random. Find the probabilities that a. He failed in Mathematics only b. He passed in

    asked by Neeraj Bhanot on October 9, 2010
  34. maths

    prove that 1+sin2x-cos2x / sin2x+cos2x = tanx

    asked by Anonymous on February 16, 2013
  35. Maths

    In what way is the bar graph is better than the pictographs

    asked by R rishika on November 28, 2017
  36. Maths

    A map is drawn to a scale 1cm to 10km find the actual distance represented by 54 mm

    asked by Girl anomalous on November 1, 2016
  37. Maths

    On the 1st of January 2014, Carol invested some money in a bank account. The account pays 2.5% compound interest per year. On the 1st of January 2015, Carol withdrew £1000 from the account. On the 1st of January 2016, she had £23 517.60 in the account.

    asked by Joelle on February 2, 2017
  38. Maths

    Find the least number of piles so so that piles of 12, 15 and 20 marbles be made.

    asked by Himanshi on July 28, 2015
  39. Maths

    Hasim counted his money. he gave 1/3 to his brother. he spent £12 on his sister. What he had left was half what he had at the beginning. how much did he give his brother?

    asked by Henry on May 1, 2017
  40. maths

    the boys of a school can be arranged in 12, 15, 18 equal rows and also into a solid square. what is the least number of boys that the school can have? (hint: find the lcm) anwer is 900 explain

    asked by tanzil on December 1, 2013
  41. Maths

    adnan bought 96 eggs at the rate of Rs.40 per dozen and sold at the rate of Rs.4 per egg.find the percentage of profit,if 3 eggs were rotten.

    asked by Rahim shah on October 13, 2016
  42. maths

    In a class of 80 students, 53 study Art, 60 study Biology, 36 study Art and Biology, 34 study Art and Chemistry, 6 study Biology only and 18 study Biology but not Chemistry. Illustrate the information on a Venn diagram. Determine the number of students who

    asked by Kwame on September 20, 2016
  43. maths

    a carpenter has a board that is 8 ft long. he cuts off two piece.one piece is 3 1/2 ft long and other is 2 1/3ft long.How much off the board is left.

    asked by nancy on February 26, 2015
  44. maths

    the 8th term of an a.p is 37 and 12th term is 57 .find the a.p please help this questions .please help.

    asked by simranpreet on December 3, 2012
  45. maths

    Which term of the progression 19+ 18 1/5 + 17 2/5 + …is the first negative term? What is the smallest number of terms which must be taken for their sum to be negative ? Calculate this sum exactly.

    asked by sma on January 26, 2016
  46. Maths

    Simplify ; 4 root (132 by143) minus 2

    asked by Aditya on August 13, 2015
  47. maths

    From the top of a cliff 150m high, the angles of depression of two boats are 60 and 30. Find the distance between the boats if they are on the opposite sides of the cliff.

    asked by Anonymous on January 22, 2013
  48. maths

    Prove that (2√3+3)sinx+2√3cosx lies between -(2√3+15) and (2√3+15)

    asked by krishan on June 18, 2012
  49. maths

    Four bells tolls at an interval of 8,12,15 &18 second a respectively. How many times will they toll together in one hour excluding the one at the start?

    asked by sanjay on September 18, 2015
  50. Maths

    17. Atlanta, Georgia, receives an average of 27 inches of precipitation per year, and there has been 9 inches so far this year. How many more inches, p, of precipitation can Atlanta get and to stay at or below the average? (1 point) p + 9 > 27; p > 18 9 +

    asked by aJ on February 4, 2018
  51. maths

    a 4 cm long chord subtends a central angle of 60° . the radial segment of this circle is

    asked by alishbah on November 24, 2014
  52. maths

    the sum of first 8 terms of an arithmetic progression is 156.the ratio of its 12th term to its 68th term is 1:5.calculate the first term and the fifteenth term. please help this questions please.

    asked by simranpreet on December 3, 2012
  53. maths

    Sachin and rahul attempted to slove a quadratic eqn. Sachin made a mistake in writing down the constant term and ended up it roots (4,3). Rahul made a mistake in writing down coefficient of x to get roots (3,2) the correct roots of the eqn are:

    asked by jha on July 5, 2014
  54. maths

    James is able to sell 15 of product A and 16 of product B and a week , Sally is able to sell 25 of product A and of 10 product B a week,and Andre is able to sell 18 of product A and 13 of product B a week.if product A sells for $35.75 each and product B

    asked by Gladys on October 8, 2016
  55. Maths

    Dylan invested some money into his bank. He agreed on a simple interest rate of 3% per annum for a period of 2 years. At the end of the 2-year period, the value of his investment increased by£72 Work out the value of Dylan's initial investment.

    asked by Nathan on February 2, 2017
  56. maths

    find hours to fill a tank of 70m*44m*3m filled by pipe of diameter 35 cm at rate of 6m/ second?

    asked by ojvi on February 14, 2017
  57. maths

    if it takes 10 men 6 months to build a house, how long will it take one man?

    asked by kerry on September 6, 2015
  58. maths

    Cos square 30 degree cos square 45 degree + 4 sec square 60 degree + 1/2 cos square 90 degree - 2 tan square 60 degree

    asked by trisha on June 1, 2015
  59. maths

    Janet gave 5/8 of her old coins to Karen. If she gave 250 old coins to karen, how many coins did she have at first?

    asked by gull on November 26, 2011
  60. maths

    A car travelled 100 km with half the distance at 40km/h and the other half as 80 km/h.Find the average speed of the car for the whole journey.

    asked by Anonymous on October 12, 2016
  61. maths

    An open rectangular box has internal dimensions 2m long, 20cm wide and 22.5cm deep. If the box is made of wood 2.5cm thick, calculate the volume of the wood in cm cube.

    asked by Aghedo sarah on June 17, 2017
  62. Maths

    A boat sails 4km on a bearing of 038 degree and then 5km on a bearing of 067 degree.(a)how far is the boat from its starting point.(b) calculate the bearing of the boat from its starting point

    asked by Bright ulubi on March 28, 2016
  63. Maths

    Two boats A and B left a port C at the same time on different route .B travelled on a bearing of 150 degree and A travelled 8km and B had travelled 10km ,the distance between the Two boats was found to be 12km .calculate the bearing of A's route from C.

    asked by Ruth on June 13, 2017
  64. maths

    the sum of the first two terms of a GP is 28,but the sum of the third and fourth terms is 252.find the second term of the gp if the seventh term is 5103. please help.

    asked by miracle on October 24, 2014
  65. Maths

    There are 50 students in a class of which 40 are boys and the rest are girls the average weight of the class is 44kg and the averageweight of the girls us 40kg. find the average wieght of the boys

    asked by priya on March 15, 2015
  66. MATHS

    A CYLINDRICAL PIPE MADE OF METAL IS 3 CM THICK .IF THE INTERNAL RADIUS OF THE PIPE IS 10 CM, FIND THE VOLUME OF THE METAL USED IN MAKING 3M OF THE PIPE RADIUS OF INTERNAL PIPE =10CM RADIUS OF EXTERNAL PIPE =13CMVOLUME OF PIPE=PI R^2H

    asked by MAYOWA on April 28, 2016
  67. maths

    In a survey of 100 students, the number s studying various languages were found to be: Spanish, 28; German, 30; French, 42; Spanish and German, 8; Spanish and French, 10; German and French, 5; all three languages, 3. (a)How many students were studying no

    asked by Jamie-anne on April 17, 2017
  68. maths

    The Cooking Club made some pies to sell at a basketball game to raise money for the new math books.The cafeteria contributed four pies to the sale.Each pie was then cut into five pieces and sold.The were a total of 60 pieces to sell.How many pies did the

    asked by peter on August 10, 2014
  69. maths

    If the zero of the polynomial x2-5x+k are the reciprocal of each other find the value of k

    asked by kamaraj on June 11, 2016
  70. maths

    jayden and caden share a reward of $140 in a ratio of 2:5.What fraction of the total reward does jayden get?

    asked by esha on August 1, 2016
  71. MATHS

    A boy spent 1/4 of his money on sweets and 3/8 on bus fares. What fraction of his money is left?

    asked by Help on November 2, 2014
  72. maths

    Ali shared 1liter of pineapple juice equally with three friends how much did each friend get.

    asked by umar on August 19, 2017
  73. maths

    Given that G=ab, find the percentage increase in G when both a and b increase by 10%.

    asked by arzam on November 9, 2013
  74. maths

    A rectangular grassyplot is 112m long and 78m broad. It has a gravel path 2.5m wide all around it on the inside. Find the area of path and the cost of constructing it at the rate of 1.80 per sq. m .

    asked by Anonymous on December 28, 2012
  75. Maths

    I'm done with this question..Can anyone help me? tan^-1(yz/xr) + tan^-1(zx/yr) +tan^-1(xy/zr) = pi/4 Prove that x^2+ y^2+ z^2=r^2

    asked by Suhail on March 11, 2015
  76. maths

    Let ABCD be a square with side legnth 7cm. Another square KLMN is inscribed into ABCD such that its vertices lie on the sides of ABCD. Find the lenghts of parts of ABCD sides which are divided by the vertices of KLMN. If [the area of KLMN]: [area of ABCD]

    asked by Candice on June 9, 2009
  77. Maths

    50 divided into two parts such that if 6 is subtracted from one part , 12 is added to the second part we get same number .

    asked by Sara on December 2, 2016
  78. maths

    A fruit drink is made by mixing juice and lemonade in the ratio : 1 : 4 (juice : lemonade) Juice costs £6.00 per litre. Lemonade costs 50p per litre. a) show that 1 litre of the fruit drink costs £1.60 to make. b) The fruit drink is sold for £2 a litre.

    asked by jade on December 5, 2017
  79. maths

    I am a 7 digit number My tens place is 3 My lakhs place is 2 My hundreds place is twice the lakhs place My thousands place is thrice the tens place My ten lakhs place is 3 less than the thousands place My ones place is 2 less than the thousands place My

    asked by Anonymous on June 22, 2016
  80. maths

    prove that tan(45+theta)+tan(45-theta)=2sec2theta

    asked by tina on August 10, 2012
  81. maths

    find the missing value to the nearest hundredth Tan ___ = 73 I just don't get these!

    asked by corie on February 8, 2013
  82. Maths

    A gymnasium is 50m long and 30m broad. A running track 2. 5m wide runs all around it on the inside. Find the area of the track?

    asked by Samson on February 24, 2016
  83. Maths

    It takes for three gardeners 90 minutes to weed a garden. If the job is to be done in only 15 minutes, how many more gardeners need to be put on the jobs?

    asked by Sadaf on December 15, 2016
  84. Maths

    (3.6x10^-5)/(1.8x10^2) What's the answer in standard form?

    asked by Jesse on October 27, 2018
  85. maths

    In a graduating class with the same number of boys and girls, 1/8 of the girls and 5/6 of the boys are honor students. What part of the class consists of boys who are not honor students

    asked by athaulla on July 27, 2016
  86. Maths

    The sum of three consecutive terms of an AP is 72 then what is the middle term

    asked by Niharika on February 10, 2018
  87. Maths

    The smallest positive integer value of n for which 168 n is a multiple of 324

    asked by Martabak on August 24, 2011
  88. Maths

    A true/ false test is given. If a person guesses the answers, the probability that any particular question is correctly answered is 0.5. If the test contains 14 questions and 7 correct answers is a pass, what is the probability of passing the test by

    asked by Lucy on February 13, 2014
  89. mATHS

    Vladimir builds 3 legged stools and 4 legged tables. Last month he used 72 legs to build 3 more stools than tables. How many stools and how many tables did he build?

    asked by Anonymous on June 15, 2013
  90. maths

    A circular ink blot grows at the rate of 2 cm per sec. Find the rate at which the radius is increasing after 28/11 sec.

    asked by nandni on October 15, 2014
  91. maths

    a man bought 360 eggs at rs 12 per dozen. 60 eggs were broken and 30 were rotten. find his profit and loss percent . if he sells the rest of the eggs at rs 15 per dozen.

    asked by shehzad on October 12, 2015
  92. Maths

    The radius of a wheel is 7 cm. In covering 44 km, how many revolutions will it make?

    asked by Aravind on February 23, 2011
  93. Maths

    9. r/15 ≥ -3 R ≥ -45*** R ≥ -15 R ≥ 12 R ≥ 45 10. -8x > -64 x < 8*** x > 8 x < -72 x > 72 13. A baseball bat and 8 baseballs cost $163.25. The bat costs $106.45. What is the cost c of one baseball? (1 point) 163.25 – 8c = 106.45; $33.71 8c +

    asked by Cami on January 13, 2016
  94. MATHS

    The recipe for mint chocolate ice cream requires 2 1/4 cups of creams for 5 people. You need ice cream for 8 people. How much cream will you need? Please explain,thanks.

    asked by BRENDON on September 13, 2009
  95. Maths

    A shopkeeper purchases 50 dozen eggs at Rs. 16 per dozen. Of these 40 eggs were found to be broken. At what price should he sell the remaining eggs in order to make a profit of 5%?

    asked by Arundati on September 12, 2015
  96. maths

    The half-life of lead is 22 years. How long will it take for a sample of this substance to decay to 80% of its original amount

    asked by Anonymous on December 13, 2015
  97. maths

    300 gm of water at 25°c is added to 100 gm of ice at 0°c.the temperature of the mixture is?

    asked by RAJESH on January 12, 2018
  98. maths

    In a class of 60 students,the number of students who passed biology is 6 more than the number who passed chemistry.Every student passed at least one of the two subjects and 8 students passed both subjects.How many students passed biology and chemistry.

    asked by Ernest on March 26, 2019
  99. Maths

    The base of a prism is a right angled triangle with it's two shorter sides equal to 4cm and 8cm .the prism is 10cm long. Calculate the volume of the prism

    asked by Neo on August 2, 2019
  100. Maths

    The sum of interior angles of an irregular polygon is 5040 .find the number of sides of the polygon

    asked by Langton on September 27, 2017