2,575 Answered Questions for the topic Maths

04/01/16

Sequence and series
If tn= (n+2)(n+3)/4 for n=1,2,3..... Then find the sum of 1/t1 + 1/t2 + 1/t3.... 1/t2003
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Maths

03/31/16

Maths Question
Solve for x:   4 - 1/2 (x + 5) =16
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Maths

03/31/16

Maths Question
7s + 4 (3 - s) = 18   What is s
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Maths

03/30/16

maths probability help
A large school in the UK offers its pupils the opportunity to learn several non-English languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who... more
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Maths

03/29/16

Find the sum of the multiples of 3 or 7 under 875 For example
Find the sum of the multiples of 3 or 7 under 875For example, if we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
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Maths

03/26/16

Maths Question
What is the diameter, to the nearest tenth of a meter, of a circle whose area is 15.9 square meters?   1.    5 meters   2.    2.3 meters   3.    4.5 meters   4.     9 meters
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Maths

03/26/16

Maths Question
On a scale drawing, the scale is 1/18.  A basketball backboard system is 6 inches tall on the drawing. What is the height of the actual basketball system.     1.  36 inches or 3 ft   2.  240... more
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Maths

03/26/16

Maths Question
which expression best represent Pi     1.  c - d   2.  c + d   3.  c x d   4.  c divided d
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03/26/16

Sequence and series
Sum to n terms of series    1^2 -  2^2 + 3^2 - 4^2 + 5^2 - 6^2 +....... 
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Maths

03/21/16

A man's salary is 30000Rs per month. His annual increment is 15000 Rs. What will be his salary after 20 years of service?
Maths problem
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Maths

03/20/16

A school has 690 Pupils and teachers altogether.
A school has 690 Pupils and teachers altogether. There are 3 times as many girls as boys, there are 25 more teachers than boys. How many pupils are there? How many teachers are there?
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Maths

03/20/16

3x^3-7x^2+8x+4/(x-2)^2(x^2+4)
Hi. Can someone explain to me how to do this partial fraction . 
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03/19/16

can someone help me make a 4x4 magic square for the number -7
please help I'm really stressed.
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Maths Numbers

03/19/16

how to calculate interior and exterior angles of a polygon
not sure what this is but it asks to do so in my test     
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Maths Numbers

03/19/16

hey guys can someone help me with simple and compound interest please
not sure what this is but it asks to do so in my test     
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Maths

03/19/16

what is a compound unit (maths)
not sure what this is but it asks to do so in my test     
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03/19/16

how to use fractions ratio and proportion in the same situation
no sure how to do this but it asks to do so in my test     
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03/19/16

48 kg of apples cost $96. How many kilograms of apples can you get with $6 ?
i seem to be getting 32 if anyone could tell me how to get the right answer that would be greatly appreciated  
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Maths

03/18/16

A school has 200 students.
Question A school has 200 students. One third of the boys have blue eyes,and one quarter of the girls have blue eyes. Given that a total of 57 students have blue eyes,how many boys attend the school? more
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Maths

03/18/16

type a coffee costs $4.35 per pound and type b coffee costs $5.45 per pound. With 124 pounds of coffee for $602.10, how much of that is type b coffe
type a coffee costs $4.35 per pound and type b coffee costs $5.45 per pound. With 124 pounds of coffee for $602.10, how much of that is type b coffee?
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Maths

03/12/16

mean word problems
the mean weight of 8 boys is 55kg and mean weight of some girls is 37kg. find how many girls were there?
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Maths Vghvvbuib

03/11/16

what sould be added to make it 9x+24x+10x perfect square
pls solve  i have an quary
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Maths

03/05/16

Maths Question
What is the answer for   2/5 (3/2 - 2/1) - 4 (6/5 - 1/5)     The options to this question answers are:   1  -7   2. -3   3. - 19/10   4. - 9/10
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Maths

03/05/16

Maths Question
What is  the answer for   4 divided 4/7 x ( -2) x 5/7 divided ( - 1/5)
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Maths

03/05/16

Maths Question
Wyatt is trying to put fencing around the play area in the back yard.  He has purchased four sections of fencing that each measure 22 1/2 feet long.  He needs two sections that measure 19 3/4 feet... more
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