# 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

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
5. ## 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
6. ## 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
7. ## 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
8. ## 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
9. ## 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
10. ## 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
11. ## Maths

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

asked by R rishika on November 28, 2017
12. ## 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
13. ## 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
14. ## 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
15. ## 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
16. ## maths

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

asked by Anonymous on February 16, 2013
17. ## Maths

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

asked by Hari bhatta on July 25, 2018
18. ## 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
19. ## Maths

Simplify ; 4 root (132 by143) minus 2

20. ## 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
21. ## 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
22. ## 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
23. ## 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
24. ## maths

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

asked by corie on February 8, 2013
25. ## 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?

26. ## 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
27. ## 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
28. ## 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
29. ## 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
30. ## 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
31. ## 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
32. ## 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

33. ## 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
34. ## maths

i have tens ones and tenths.my digits are next door numbers and they add up to9 what number am i

asked by michael on March 26, 2017
35. ## 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
36. ## 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
37. ## 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
38. ## 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
39. ## maths

what fraction of 30p is 5p?

asked by nishchay on November 26, 2007
40. ## 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
41. ## 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

42. ## 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
43. ## 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
44. ## 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
45. ## Maths

Max pack cereal boxes into a larger box the volume of each wreak box is 175 cubic inches which is the best estimate for the volume of the large box 210,420,2,100 4,200 I pick 2,100 is that correct

asked by Pinks on April 29, 2014
46. ## Maths

Kim drives 156 miles from Rotherham to London. She drives at an average speed of 60 miles per hour. She leaves Rotherham at 7:30 am. Does she drive in London before 10:00 am?

asked by A B I on February 2, 2017
47. ## 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
48. ## Maths

Prove that CosB-cosA/cosA+cosB=tanA+B/2tanA-B/2

asked by Yash Rah on July 5, 2016
49. ## maths

According to the Journal of Irreproducible Results, any obtuse angle is a right angle! x A P B C D Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD with ∠DAB = x, and ∠ABC = 90◦ , and AD = BC. Say the perpendicular

asked by manaswini tanniru on April 15, 2015
50. ## 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.

51. ## MATHS

A cylindrical water tank of diameter 1.4m and height 2.1m is being feed by a pipe of diameter 3.5cm through which water follows at the rate of 2m/per second . In how much time the tank will be filled ???

asked by TUHITUHI on November 24, 2012
52. ## 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.

53. ## 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
54. ## Maths

Mrs jasmine Invested \$4000 in a building society which paid simple interest at a rate of 7.25% per annum to its investors. After 2 years, the rate was increased to 7.6% per annum. Find the amount she had T the end of 7 years

asked by Ranya on February 11, 2018
55. ## 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
56. ## 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
57. ## maths

a car travels 1 km in which each wheel makes 450 revolutions. Find the radius of its wheel

asked by avanthika on January 23, 2012
58. ## 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
59. ## 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
60. ## maths

asked by simranpreet on December 3, 2012
61. ## Maths

Mr lee is 56 years old. His nephew, sam, is 4 years old. In how maby yearsâ€™ time will mr lee be 5 times as old as his nephew

asked by Dani on January 18, 2018
62. ## 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
63. ## 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
64. ## Maths

How many squares in the plane have two or more vertices on dots in this 2x3 grid? All dots are an equal distance from their nearest neighbours. *diagonal squares count* -------------------------------------- I can only get 18, but some of my class members

asked by Thomas on April 7, 2017
65. ## maths

solve: tanx+tan2x+√3tanx tan2x=√3 (0

asked by rabin on January 2, 2017
66. ## 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
67. ## Maths

A uniform cylindrical container is half filled with water. The height of the cylinder is twice its diameter. The cylinder is gradually tilted until the water touches the brim. At this instant, the container is inclined at which angle: 1.30 2.45 3.60 4.75

asked by Anchal on September 4, 2012
68. ## maths

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

asked by umar on August 19, 2017
69. ## 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
70. ## maths

AB=36 cm and M is the mid-point of AB. Semicircles are drawn on AB,AM and Mb as diametrs.A circle with centre C touches all the three circles. Find the area of the shaded region.

asked by Anonymous on December 24, 2012
71. ## maths

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

asked by ro on October 16, 2018
72. ## maths

rita had 5/6 of cake.she ate 2/3 of it .what part of the cake did she eat?

asked by rita on August 16, 2016
73. ## Maths

A pedestal is constructed in the form of frustum of a pyramid, the sides of the square ends of the frustum being 360cm and 160 cm and slant height 260cm. Find volume , lateral surface area including area of the top and the cost of construction @ rs.50

asked by Chaitanya on February 6, 2016
74. ## maths

several friends each had 2/5 of peanuts left over from the baseball game.they realized that they could have bought 2 fewer bags of peanuts between them .how many friends went to the game?

asked by ma on January 21, 2015
75. ## Maths

£4000 is invested at 1.5% compound interest. Show that the value of the investment after 2 years is £4120.90. Thanks to anyone who can help.

asked by Alfredo on March 23, 2017
76. ## 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
77. ## 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
78. ## 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
79. ## 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
80. ## 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
81. ## maths

A sum of money becomes 8/5 of itself in 5 years at certain rate of simple interest. Find the rate of interest.

asked by suneetha on September 14, 2014
82. ## 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
83. ## 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
84. ## maths

The sum of the first n terms of an exponential series is 364. The sum of their reciprocal is 364/243. If the first term is 1,find n and the common ratio.

asked by dannystein on January 27, 2016
85. ## 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
86. ## maths

there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be evenly seated in parallel rows such that no two adjacent rows are of the same class. (a) find the maximum number of parallel rows

asked by ritik on March 7, 2015
87. ## 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
88. ## MATHS

James pays \$120.00 for golf clubs that are on sale for 20% off at Golf Pros. At Nine Iron, the same clubs cost \$8.00 less than they cost at Golf Pros. They are on sale for 13% off. What is the original cost of the clubs at Nine Iron?

asked by roma on May 24, 2016
89. ## Maths

divide 1000 among a,b,c in such a way that a gets 120 more than b and b gets rs 110 more than c .hw much each get

asked by Sara on December 4, 2016
90. ## Maths

Prove that:(cos40-sin30)/sin60-cos50=tan50

asked by Rabinprakash on November 20, 2016
91. ## Maths

X varies directly as the product of u and v and inversely as their sum. If x=3 when u=3 and v =1, what is the value of x if u=3 and v=3

asked by Ifeoluwa on February 18, 2016
92. ## maths

According to the Journal of Irreproducible Results, any obtuse angle is a right angle! x A P B C D Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD with ∠DAB = x, and ∠ABC = 90◦ , and AD = BC. Say the perpendicular

asked by manaswini on April 15, 2015
93. ## MATHS

CAN ANY ONE SOLVE THIS QUESTION PLEASE: FIND HCF OF 180,252 AND 324 USING EUCLID'S DIVISION LEMMA?

asked by sandra on May 26, 2012
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

radius (r) of a cicrlce is divided into 10 equal sections. The area of the circle = sum of the areas of the pie-shaped sections. We can estimate the area of the circle by thinking of each pie-shaped piece as a triangle with base B and height H. The area of

asked by rajkaur on January 4, 2019
96. ## Maths

What is an equation in slope-intercept form for the line that passes through the points (1, -3) and (3, 1)? a.) y= 3x + 1 b.) y= x - 3 c.) y= 2x + 5 d.) y= 2x - 5

asked by clickbait on January 30, 2019
97. ## 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
98. ## 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
99. ## Maths

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

asked by Martabak on August 24, 2011
100. ## maths

A circle passes throughthe origin and the point (5/2,1/2) and has 2y-3x=0 as a diameter. Find its equation.

asked by Sheelander on January 8, 2016