# Posts by wan

Total # Posts: 98

**economic**

colgate is one firm of many in the market for toothpaste, which is in long run equilibrium. a) draw diagram showing colgate's demand curve, MR curve, ATC curve and MC curve. label colgate profit maximizing output and price

*May 10, 2015*

**maths**

How many gold coins are there in a jar of 88 coins,if there are 1/3 as many silver coins as gold coins? The answer is 66, but I cannot work it out,please explain thanks

*August 18, 2014*

**maths**

How to find missing number.,(180,14) (120,8) (?,4) (220,18)

*August 17, 2014*

**mat/simultaneous equation**

2x-5y=13, 5x-3y= -15 can anyone show me how to find out the value of x , y please,thanks

*June 29, 2014*

**math/patterns**

9,1,6,11,16 what is the millionth term in this sequence?can anyone explain how to work it out please,thanks.

*May 14, 2014*

**math/ratio**

apples,oranges and pears are packed into a basket in the ratio 3:5:1. there are 12 more oranges and pears than apples.how many fruits are there altogether?

*April 27, 2014*

**math ratio**

a:b=2:3,b:c=5:6 and c:d=3:8. FIND THE RATIO A:B:C:D.

*April 27, 2014*

**math**

train a moving at 30km/hr passes station at 08:00.A train B travelling the same way at 45km/hr passes this station at 08:30, at what time will train B overtake A please can someone explain to me

*April 27, 2014*

**math**

john counts backward from 140by twenties and lee counts backward from 120 by tens.how many of the same numbers do they say down to zero? can only body show me how to work out please,thankss

*April 11, 2014*

**math**

when you reverse the digits of the number 13,the number increases by 18.how many other 2digit numbers increase by 18 when their digits are reversed ?

*March 16, 2013*

**math**

2candles,one green and one red,are lit at the same time.The green candle burns twice as fast as the red one.The green candle burns burns out after 6 hours,how much time will elapse before the red candle burns out ?

*March 16, 2013*

**math**

if i drive home with a speed of 60km/h,I will arrive an hour ealier than expected.If i drive 40km/h then i will arrive an hour later than expected.At what speed should i travel in order to arrive BANG on time?

*March 16, 2013*

**math**

4 digit number 12*6 is a perfect square.the value of the digit represented by * is ?

*March 16, 2013*

**math**

Brett and Erryn were camping and asked a farmer if they could purchase 2 litres of milk.the farmer agreed,but between them they only had an 8 litre and a 5 litre container.how can Brett and Erryn be sure of betting their 2litres of milk?

*March 13, 2013*

**math**

thanks ,but how u work it out?

*March 13, 2013*

**math**

use all digits from 1 - 9 inclusively to make a 3 by 3 magic square.each row ,column and diagonal has the same total

*March 13, 2013*

**math**

12 people are playing in a tennis comprtition.Each person must play one game against each other person.how many games are played altogether ? is it 12^11 divided by 2 = 66 thanks

*March 13, 2013*

**math**

what is the index notation of 9^6 divided by 9^3

*March 11, 2013*

**math**

27b^8c^7 divided by 3bc^5

*March 11, 2013*

**maath**

how many times did the minute hand of a clock rotate during March this year ? please explain how you work it out,thanks

*December 2, 2012*

**math**

i do not know why,please explain,thanks

*December 2, 2012*

**math**

how many times did the minute hand of a clock rotate during April this year?

*December 2, 2012*

**math**

these are GLOOPS. X 8 T A U these are not GLOOPS. B 7 D 2 S which of these are GLOOPS? H 5 W 3 E I Q.

*November 28, 2012*

**math**

we make 1 square with 4 matches, 2 squares with 7 matches and 3 squares with 10 matches.How many squares canwe make with 100 matches ?

*November 28, 2012*

**math**

the entrance fee to the zoo is $3,and to get into the gardens is $2.A ticket to get into both is $4. One day 900 people were at the zoo and 700 in the garden.If 500 people visited only the zoo,what was the total amount of money collected that day

*November 24, 2012*

**math**

a class consists of 24 boys and 16 girls.the average weight of the class is 41.7 kg,and the average weight of the boys is 41.1 kg.Find the average weight of the girls.

*November 24, 2012*

**math**

A=B+2C , 3B = 2C +D ,A+2B = 2D How many B = D

*November 24, 2012*

**math**

an open steel tank measures 2m by 2.5m by 3m.It holds 7500 ml of water.What is the volume of steel,in cubic metres,making up the sides of the tank ?

*November 22, 2012*

**math**

A 3 cm cube is painted on all its faces.It is then cut into 1 cm cubes.How many cubes will have paint on exactly two faces ?

*November 15, 2012*

**math**

From hundreds chart,what % of the numbers are multiples of 3 ?

*November 15, 2012*

**math**

please explain how to use hundreds chart to answer this queston;WHAT % OF THE NUMBERS ARE MULTIPLES OF BOTH 2 AND 3? i have no idea how to work it out, thanks

*November 14, 2012*

**MATH**

HOW TO USE HUNDREDS CHART TO ANSWER THIS QUESTION;WHat % of the numbers are multiples of 3

*November 14, 2012*

**MATH**

A SCHOOL IS DIVIDED INTO 4 HOUSES P,Q,R,S. ON SPORTS DAY,STUDENTS LINE UP SO THAT A STUDENT FROM P IS FIRST IN LINE,THEN A STUDENT FROM Q THEN A STUDENT FROM R THEN A STUDENT FROM S THEN A STUDENT FROM P AND SO ON WITH SAME ORDER REPEATING .FROM WHAT HOUSE WILL THE 66TH ...

*November 14, 2012*

**MATH**

LAST YEAR BOB'S AGE WAS A SQUARE NUMBER AND NEXT YEAR IT WILL BE A CUBE NUMBER. HOW OLD IS BOB NOW ? PLEASE EXPLAIN HOW YOU WORK IT OUT ,THANKS

*November 14, 2012*

**MATH**

HOW MANY MULTIPLES OF 11 ARE THERE BETWEEN 200 AND 500?

*November 14, 2012*

**MATH**

A 3 CM CUBE IS PAINTED ON ALL ITS FACES.IT IS THE CUT INTO 1 CM CUBES .HOW MANY CUBES WILL HAVE PAINT ON EXACTLY FACES?

*November 14, 2012*

**math**

THE POPULATION OF LINGO IS PARTY ENGLISH AND PARTLY FRENCH.IF 80% SPEAK ENGLISH AND 70%SPEAK FRENCH.WHAT % SPEAK BOTH LANGUAGE?

*November 14, 2012*

**math**

from hundreds chart,what % of the numbers are prime numbers

*November 13, 2012*

**math**

from hundreds chart,what % of the numbers are factors of 100

*November 13, 2012*

**math**

from hundreds chart,what % of the numbers are multiples of both 2 and 3

*November 13, 2012*

**math**

the population of Ling is partly english and partly french.If 80% speak english and 70% speak french,what percentage speak both languages?

*November 13, 2012*

**maths**

A 3 cm cube is painted on all its faces.It is then cut into 1 cm cubes.How many cubes will have paint on exactly 2 faces?

*November 13, 2012*

**math**

last year bob's age was a square number and next year it will be a cube number.How old is Bob now?

*November 13, 2012*

**math**

how many multiples of 11 are there between 200 and 500

*November 13, 2012*

**math**

what %of the numbers are prime numbers

*November 13, 2012*

**math**

what % of the numbers are factors of 100

*November 13, 2012*

**math**

what %of the numbers are multiples of both 2 and 3

*November 13, 2012*

**math**

what % of the numbers are multiples of 3 from the hundreds chart

*November 13, 2012*

**math**

a school is divided into 4 houses,P,Q,R and S.On sports day,the students line up so that a student from P is first in line,then a student from Q then a student from R then a student from S,then a student from P and so on with same order repeating.From what house will the 66th ...

*November 13, 2012*

**math**

how to use hundreds chart to answer this;(1)what % of the numbers are multiples of 3 (2)what % of the numbers are multiples of both 2 and 3 (3) what% of the numbers are factors of 100 (4)what % of the numbers are prime numbers? i really have no idea how to use hundreds chart ...

*November 12, 2012*

**math**

how to use hundreds chart for % of the numbers are multiples of 2 and 5?

*November 11, 2012*

**math**

the surface area of a cube is 150cm2,what is its volume?

*November 10, 2012*

**math**

in a class of 38 children,19 play tennis, 21 play squash and 10 play neither sport. (1)how many children play both sports?(2)how many children play only tennis

*November 10, 2012*

**math**

to buy a gift $1.80 was collected from each person but they were $28 sort.When $3 was collected from each person,they had $20 extra.How much were they planning to collect

*November 10, 2012*

**math**

the diagram shows two balances.if the weight of the square object is 10 g,what is the weight of each og the other objects

*November 10, 2012*

**math**

average of 6 numbers is 19.A seventh number is added and the new average is 20.What is the seventh number?

*November 10, 2012*

**math**

as well as addition,subtraction,division and multiplication.Sally invents the operation Q. when you see Q between two numbers,you double the sum of their squares. The value of 5Q12 would be ?

*November 10, 2012*

**math**

5Y = X + 6 = 2X - 3 What is value of Y

*November 10, 2012*

**math**

the minimum wages increased from $5.25-$5.75 per hour,what is the percent of increase of the minimum wage?

*November 3, 2012*

**math**

5 people took turns to sit in the two seats so that each person had equal time to sit.if the total took 1 hour 10 minutes,how long did each person have the seat for?

*October 27, 2012*

**math**

two numbers have a sum of 600,if the smaller number is divided into the larger number,the quotient is 3 and the remainder is 24.what is the larger number?

*October 27, 2012*

**math**

2poles are placed vertically in a pool.one third of the longer pole and two fifths of the shorter pole is under water.if the difference in leng 42 cm,how deep is the pool?th

*October 27, 2012*

**math**

new south wales has 1900 km of coastline.this is 10600 km less than western australia,but 100 km greater than victoria.south australia has about twice as much coastline as new south wales,but less than western australia.the northern territory has 6200 km of coastline, 3000 km ...

*October 20, 2012*

**math**

in a division sum dividing by 8 ,any remainder must be(a) more than 8,(b) half of 8,(c)less than 8,(d)equal to 8

*October 20, 2012*

**math**

how many axes of symmetry has a square?

*October 20, 2012*

**math**

how many perfect squares between 1 and 100 end in 2 ?

*October 20, 2012*

**math**

distance of 12 km was walked at a speed of 4 km/h on the way, and 6 km/h on the way back.What was the average speed?

*October 20, 2012*

**math**

distance from A-B is 40 km.Mandy starts from A at 11 am and Jason starts from B at 1 pm.He walks at 5 km/h and gets to A at the same time as Mandy gets to B.How fast did Mandy walk?

*October 20, 2012*

**math**

when we'll use LCM,HCF

*September 25, 2012*

**math**

a rectangle has a side of 28cm,12cm.what is the area of the least number of these rectangles used to form the smallest square possible?

*September 22, 2012*

**math**

how many thousandths in 1.069

*September 22, 2012*

**math**

my age now is one third of mum's age.8years ago,i was a fifth of mum's age was at that time.how old will my mother be 8 years from now

*September 16, 2012*

**math**

a rectangle has length of 28cm and weadth of 12cm.what is the area of the least number of these rectangles used to form te smallest square possible

*September 16, 2012*

**math**

sue walks 3km at2km/h while Adrian walks 2km at 4km/h.Who walks furthest?

*September 16, 2012*

**math**

how to work out root 5 of 0.035

*September 3, 2012*

**math**

what numbers is 10times greater than 6

*September 2, 2012*

**math**

1)how does the placement of the decimal point in the divisor and the dividend affect the decimal point in the quotient.2) when u divide a number by 0.03 ,will your quotient be larger or smaller than your dividend

*September 2, 2012*

**math**

bananas cost twice as much as oranges.sue buys 10 bananas and 3 oranges.with the same amout of money,she could have bought 4 bananas and how many oranges?

*September 2, 2012*

**math**

i usually catch the bus home from work.i get on at the first stop and have about 10 km to travel ,so i usually nod off to sleep.i normally fall asleep when the bus has about 3 times as far to go as it has already travelled.halfway through the trip i tend to wake up and then i ...

*September 2, 2012*

**math**

use 1,2,3,4,5,6,7 to make fractions smaller than one .How many different fractions smaller than one can be made from these numbers?

*September 2, 2012*

**math**

the game of Razz is played by 2 people using number cards,each card containing a number between 10 and 50.These cards are placed face down.In turn,each player turns up 4cards,chooses one and turns the other 3 back down.The winner is the first player who obtains 3 cards with ...

*September 1, 2012*

**math**

what is the average number of letters in the words of this verse? whether at Naishapur or Babylon Whether the cup with sweet or bitter run,The wine of life keeps oozing drop by drop,The leaves of life keep falling one by one.

*September 1, 2012*

**math**

there are 4 packets of muesli sold for every 3 packets of bran.The owner sold 84 packets of muesli and bran today.how many packets of muesli did the store sell today

*August 18, 2012*

**math**

this is a little bit hard,still not understand

*August 18, 2012*

**math**

john and tom race around a circular track,divided like the face of a clock,into 12 sections.if john gives tom 4 sections start in advance and runs half as fast as tom.at what point on the track will he overtake tom

*August 18, 2012*

**integral Calculus**

ʃsin y dy/ √1 + cosy please help..thanks.. that's integration of sin y dy divided by (over) square root of 1 + cosy.

*December 7, 2011*

**integral Calculus**

ʃ(1-sin A)^2 cos A dA please help.i don't know how to solve this.i need your help

*December 7, 2011*

**integral Calculus**

Please help me with this integral problem: ʃ x^2(a^2-x^4)^2dx please help..thanks alot:)

*December 7, 2011*

**computer**

Do anybody know what a homepage is and what some good sites?

*September 15, 2010*

**computer**

oh okay thank you anyway mathmate and i don't know anything about frames or what they are and that's what im trying to find frames but i cant

*September 15, 2010*

**computer**

mathmate im trying to copy as a link and its not letting me do it

*September 15, 2010*

**computer**

Please help me with this if you don't mind? Web page my home whole document with 2 links first page with 1 link selection with 1 link world travel framed page as shown wiht 1 link each frame separately with 3 links prices and packages - a single frame with 1 link Thank you...

*September 15, 2010*

**computer**

yes it is because i don't know what those things are that's why im asking for your help

*September 14, 2010*

**computer**

Please help me with this if you don't mind Web page my home whole document with 2 links first page with 1 link selection with 1 link world travel framed page as shown with 1 link each frame separately with 3 links prices and packages - a single frame with 1 link Thank you ...

*September 14, 2010*

**algebra**

Rashid is helping to plan a cookout. He determines that making one making one hot dogs costs 55 cents and making a hamburger costs 90 cents. The cost must be no more than $50, and he knows that he must at least 60 hot dogs and hamburgers. Which system of linear inequaltites ...

*May 4, 2010*

**algebra**

quan is shopping. he can buy 2 pants and 1 shirt for $79.85 (before tax is added). he can but 1 pair of pants and 2 shirts for $69.85 (before tax is added). how much does a shirt cost? a)$29.95 b)$10.50 c)$19.95 d)$5.50 and the answer that i picked is b thanks

*May 3, 2010*

**algebra**

juan is 8 years than his sister rosa. one day, he tells rosa that he is twice her age, but will only be twice her age for one year. to figure out how old juan and rosa are, you must first identify the conditions. what are the conditions in this problem? a) juan is twice as old...

*May 3, 2010*

**algebra**

what is the value for x in the following linear system of equations? 2x + 3y = 6 y =0 a) 3 b) 0 c) infinite number of solutions d) 0

*April 29, 2010*

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