# maths

Most popular questions-
## 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* -
## Maths

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

*asked by R rishika on November 28, 2017* -
## 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* -
## Maths

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

*asked by Alok on July 12, 2013* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Maths

Simplify ; 4 root (132 by143) minus 2

*asked by Aditya on August 13, 2015* -
## 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* -
## 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* -
## 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* -
## 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* -
## maths

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

*asked by Anonymous on February 16, 2013* -
## 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* -
## maths

what fraction of 30p is 5p?

*asked by nishchay on November 26, 2007* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Maths

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

*asked by Yash Rah on July 5, 2016* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## maths

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

*asked by umar on August 19, 2017* -
## 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* -
## maths

at what rate percent will the interest on rs 2,520 add up to rs 84 in 8 months

*asked by asma on January 28, 2016* -
## 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* -
## 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* -
## maths

solve: tanx+tan2x+√3tanx tan2x=√3 (0

*asked by rabin on January 2, 2017* -
## 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* -
## 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* -
## 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* -
## Maths

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

*asked by Hari bhatta on July 25, 2018* -
## 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* -
## Maths

Prove By induction that sinx + sin3x + sin5x +.... Sin(2n-1) =sin^2(nx)/sin3x

*asked by Joel on September 7, 2016* -
## 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* -
## Maths

Almaz Has Taken 2 Tests.Her Average Score Is 7 Out Of 10.The product Of Her Scores Is 45.What Did She Score In Each Test?

*asked by Mm on January 12, 2017* -
## maths

Find the length of the parallels of latitude 42 degree north

*asked by Anonymous on January 16, 2019* -
## Maths

the lenght of a side of an equilateral triangle is 10m.find the height of the triangle

*asked by amponsah on January 16, 2019* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## maths

if 8 labourers can earn rs.9000 in 15 days.how many laboures can earn rs. 6300 in 7 days?

*asked by tuhituhi on January 30, 2013* -
## 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* -
## 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* -
## 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* -
## maths

if tanX=a/b, then show that asinX-bcosX/asinX+bcosx = a^2-b^2/a^2+b^2

*asked by krishan on June 18, 2012* -
## maths

Two athletes are pulling on a ring. One athlete pulls with a force of 150 N in a northerly direction. The second athlete pulls with a force of 200 N in a westerly direction. Calculate the magnitude [5 marks] and direction (relative to west) [5 marks] of

*asked by alex on February 7, 2012* -
## Maths

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

*asked by Martabak on August 24, 2011* -
## 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* -
## Maths

If the line x=3 divides the area bounded between the curves y^2=12x and x^2=12y into two parts then the ratio of their areas is

*asked by Anand on July 13, 2016* -
## Maths

A hollow cube of internal edge is 22cm is filled with spherical marbles of diameter 0.5cm and it is assumed that 1/8 space of the cube remain unfilled.Then the number of marbles that the cube can accomodate is?

*asked by Princ on February 8, 2016* -
## 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* -
## 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* -
## maths

a man was trying to swim to a buoy placed at a distance of 200m out in the sea. it took him 1 min to swim 20m. then a wave pushed him back 10m and he rested for about 1min before swimming again. he continued in his way for the rest of their journey. how

*asked by jas on January 10, 2015* -
## Maths

Bill and Steve decide to spend the afternoon at an amusement park enjoying their favorite activities, the water slide and the gigantic Ferris wheels. Their tickets are stamped each time they slide or ride. At the end of the afternoon they have the

*asked by Jeconiah on March 25, 2013* -
## 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* -
## Maths

How many silver coins, 2cm in diameter and of thickness 2 mm, must be melted to form a showpiece in the form of a frustum of a cone having height 9 cm and radii of the outer circular ends as 5cm and 3cm?

*asked by Simran on April 5, 2016* -
## 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* -
## 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* -
## MATHS

N IS BOTH = 5 TIMES GREATER THAN M AND 36 MORE THAN M WHAT IS THE VALUE OF M AND N

*asked by NIAMH on February 3, 2016* -
## Maths

Isosceles triangle $ABE$ of area 100 square inches is cut by $\overline{CD}$ into an isosceles trapezoid and a smaller isosceles triangle. The area of the trapezoid is 75 square inches. If the altitude of triangle $ABE$ from $A$ is 20 inches, what is the

*asked by Anonymous on February 15, 2018* -
## 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* -
## 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.

*asked by Bella on February 2, 2017* -
## maths

The four angles of a pentagon is 40 degrees ,75 degrees ,125 degrees and 135 degrees .the measure of the fifth angle is ? give the solution how its came

*asked by poojitha on August 29, 2015* -
## 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* -
## maths

Rob is twice Joshua’s age. Nick is 5 years older than Joshua. The sum of all their ages is 45. How old is Nick?

*asked by josh on September 7, 2018* -
## 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* -
## maths

Simplify :1/1-cosx +1/1+cos x

*asked by Anne on June 15, 2018*