2,572 Answered Questions for the topic Maths

Maths

09/23/17

a sphere and hemisphere have same total surface area.find the ratios of their volumes
plz answer it fast.i want the answwer.plz explain steps wise.and show the solution
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Maths

09/22/17

On a chessboard 3x3 there is a king in the middle. How many different paths of 100 moves there are?
How do I do this?
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09/19/17

Nth term fraction
1/3, 2/5, 3/7, 4/9   A) what are the next three terms of this sequence? B) find an expression for the nth term of this sequence?
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09/19/17

Joan's Fruit Bowl
Joan's fruit bowl contains only apples and bananas. If Joan randomly selects a piece of fruit from the bowl. The probability it will be a banana is 2/5. However, before she chooses a piece of... more
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09/19/17

Jack's hat collection
Jack's hat collection contains striped hats and spotted hats. The ratio of spotted hats to the total number of hats is 2:7.  A) Jack picks a hat to wear at random. What is the probability it will... more
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09/19/17

Dawn and Scott pocket money
Dawn and Scott count the money they each have in their pocket. Dawn has £17.50 and the ratio of Dawn's money to Scott's money is 5:4. Dawn gives £4 to Scott. What is the new ratio between the amounts? more
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09/19/17

what is the new ratio of orange to strawberry chocolates?
In a box of chocolate's there are 36 strawberry flavoured chocolates. And the ratio of orange chocolates to strawberry chocolates is 5:4. If someone eats six of the orange chocolates, what is the... more
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09/18/17

if the point (2k-3,k+2) lies on the graph of the equation 2x+3y+15=0,find the value of k
if the point (2k-3,k+2) lies on the graph of the equation 2x+3y+15=0,find the value of k  
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09/18/17

I want to express (1+i)^11 in algebric form by using the trig functions within the process...
For some reason 1+i = root 2 * e ^ pi / 4    which i dont understand how so I would like an explanation for this...
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Maths

09/17/17

In a 20% off sale, a coat was £68. Work out the original price
In a 20% off sale, a coat was £68.  Work out the original price
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Maths Math

09/13/17

even ran 9 3/5 miles in one hour and twenty-four minutes. Find the average number of minutes it took him to complete one mile
Just some 7th grade advance math but I'm kind of stuck onthis
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09/13/17

What is the value of (1+1/2)*(1+1/3)*...*(1+1/2003)
 What is the value of (1+1/2)*(1+1/3)*...*(1+1/2003)
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Maths

09/10/17

How do you solve x = log3(77+log3(77+log3(77+...)))) ?
The original question is 3^x - x = 77. By a little simplifying, I got x = log3(77+x) and by substituting I noted that I could obtain a infinite sequence for x = log3(77+log3(77+log3(77+...)))). How... more
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Maths Mathematics

09/01/17

The area of a square is 12m² what is S, the length of the side of the square?
Please show any working out along with it please.
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Maths

09/01/17

What is loci and region and can u give me examples and explanations in your own words? Also what could I photograph as an real life loci problem
In your own words please and can u give me something I can photograph as an real life loci problem
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Maths

08/26/17

Need maths homework help!
can some tell me what 3.02 is converted to a fraction?
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Maths

08/25/17

the area of the circle is 64pie cm square find the length of its arc subtending an angle of 60 degree at the center and also the area of coresponding sector
its maths quations about trigonometry area
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08/24/17

which number has one digit that represents ten times the value of the digit to its right? 375,595 545,150 378,658
i need help with this for my nephew
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08/24/17

solve the following trig equation 4(I cos x I)+3=bcos2x if one of the roots is 5Pi/6
solve the following trig equation 4(I cos x I)+3=bcos2x if one of the roots is 5Pi/6
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08/21/17

How much time will he save by crossing diagonally across the pen from one corner to the other instead of going around the outside?
Farmer Tom has a Bull pen that is 3500m wide by 1500m tall. He wants to cut diagonally across the pen to save time. If he walks at 5km/h how much time will he save by crossing diagonally across the... more
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Maths

08/21/17

A train left new Delhi at 5:40p.m on Sunday and reached bengaluru on Wednesday at 12:30p.m find the total duration
Student of class 7  
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08/20/17

How far horizontally has the Rocket traveled after 1 minute? Round your answer to the nearest meter.
A rocket has been fired at a 45-degree angle for 3.5 seconds. The rocket travelled in a straight line at a speed of 125m/second. 
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Maths

08/08/17

3m+2=2m+14, What is 'm'?
3m+2=2m+3 what is m?
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Maths

07/30/17

There are two trains one is220 m long and other is280m long both are traveling with a constant speed of 120km/h.how much time will they take to cross each other
How much time will they take to cross each other 
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07/29/17

how to solve integration of (3x+5)^4
how to solve integration of (3x+5)^4
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