2,563 Answered Questions for the topic Maths

Maths Algebra

02/22/17

simplify the expression
P12P22+P1P2 divided by P1P2
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Maths

02/22/17

urgent help
The property tax rate for a residential building is 1.025%. a. What is the property tax amount for a residential property that has an assessed value of $430,000?   What is the property tax... more
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Maths

02/21/17

Harry by six felted pens to cost 35p each or two for 65p and 90p what is amean cost for a felt pen
Can u please he me 
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Maths

02/18/17

find the answer plz and sollution plz
it is a maths compound interest problem so give me ans fats plz      question----   in a home count of bacteria in a certain area is increasing at the rate of 2..5%per day.find the the... more
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Maths

02/16/17

when 116 is divided by n, this leaves a remainder of 8. when 207 is divided by n, this leaves a remainder of 11. What is the value of n
Please answer this question I annot answer it and it is really tricking me ok thanks yeah.
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Maths

02/15/17

if fg(x) and gf(x) what does x equal
This is about functions. Reply quickly please.
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Maths

02/08/17

Find how much it would therefore cost to buy 1kg of apples and 1kg of bananas. Please help
Jimmy buys 4kg of apples and 3kg of bananas from the local grocery score for $19.60. Julie buys2kg of apples and 5kg of bananas from the same store for $18.65. Assuming the prices of applesand... more
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Maths

02/07/17

A rower travels upstream at 6km/h and back to the starting place at 10km/h. The total journey takes 48 minutes. How far upstream did the rower go?
A rower travels upstream at 6km/h and back to the starting place at 10km/h. The total journey takes 48 minutes. How far upstream did the rower go?
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Maths Engineering

02/04/17

Maths problems
the solar energy falling on one square centimeter of the earth is 1.93 calories per minute.if 1 kW = 239 calories per second , how many kilowatts per square meter fall on the earth?round answer to... more
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02/04/17

solve the problem
the resisitance of a no.8 copper wire whose cross section is 8.37mm^2 is 2.06 ohms per kilometer.a. what is the resistance in ohms per 1000 ft?b. what is the cross section in square inches?
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02/04/17

Please solve the problem
the wavelength λ (lambda) of a radio wave in meters is given by λ=v⁄t where the velocity of the wave v= 3.00x10^8 m/s and ƒ=the frequency of the wave in hertz. find the wavelength in meters and... more
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02/04/17

a cray scientific computer can do a simple addition in 130x10^-12 seconds(130 picoseconds).How many additions can the cray computer do in 1 minute?
please give the answer in engineering notation.
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Maths

02/04/17

A pen and a book both cost $2.20 but the book cost $2.00 more than the pen. What is the price of the pen?
A pen and a book both cost $2.20 but the book cost $2.00 more than the pen. What is the price of the pen?
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02/02/17

Inverse proportion
4. At a constant temperature, the volume of a gas V is inversely proptional to its pressure p. By what percentage will the pressure of a gas change if its volume increases by 25%?   all I know is... more
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Maths

01/31/17

amy is x years old . pat is 5 years older than amy. next year pat will be twiceas old as amy. how old is amy now?
amy is x years old . pat is 5 years older than amy. next year pat will be twiceas old as amy. how old is amy now?     help please 
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Maths

01/30/17

The mean of ten number is 17.2 what extra number must I add so that the mean of the eleven numbers is 18
please can I have the answer
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Maths

01/24/17

You are standing 12 feet away from a circular skating rink. The point of tangency from you to the rink is 20 feet. Find the radius of the skating rink
This is a really hard question 
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Maths Ratio

01/19/17

ratio maths problem
Liam, Sarah and Emily shared some money in the ratio 2 : 3 : 7 Emily got £80 more than Liam.How much money did Sarah get?
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Maths

01/15/17

x is a common factor of 24 and 36, and 4<x<12.write down the value of x
the ans is 12 but need to be lover than 12 and 4??
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01/10/17

There are 9 coins. 1,1,2,2,2,3,3,3,3. What is the probability of choosing three coins that add up to 6?
There are 9 coins. 1,1,2,2,2,3,3,3,3. What is the probability of choosing three coins that add up to 6?
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Maths

01/09/17

find the length of a rectangular plot, whose area is 350 sq m and breath is 14 m.
ALSO FIND ITS PERIMETER.  
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Maths

01/07/17

maths question please answer this
An aquarium has a rectangular base that measures $100$ cm by $40$ cm and has a height of $50$ cm. The aquarium is filled with water to a depth of $37$ cm. A rock with volume $1000\text{cm}^3$ is... more
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Maths

01/06/17

Can anyone explain the sequence generator for the following sequence... Term 1. 2. 3. 4. 5. 2 4 8 16 32? Thanks, TB
Maths homework for 13 year old
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01/04/17

Work out the percentage of children that don't have free school meals
27 children have free school meals. 9 of the children have free school meals. Work put the percentage of childrwn that don't have free school meals  
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Maths

01/03/17

The simple interest in 3 years and the compound interest in 2 years on a certain sum at the same rate are Rs 1200 and Rs 832 respectively. Find the rate of inte
Compound interest question
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