2,563 Answered Questions for the topic Maths

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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Maths

03/02/16

round 613.5279 to 3 decimal places
Round 613.5279 to 3 decimal places
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Maths

03/02/16

The average of four numbers is x. The mean of the same four numbers and 50 is 6. what is the value of x? How did you solve it?
Is it  A 2B –5C 8D –10E 40
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03/01/16

Please help me with the following 3 questions on linear and include all steps.
1) Find the equation of the line:a) Through the point (5-,8), parallel to the line 2x-7y=2b) Though the point (4,0), perpendicular to the line 2x-7y=22) Solve the following systems of equations for... more
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02/28/16

Financial maths question, with method please thanks!
which is the better result at the end of 20 years? (i) An investment of $100000 at 12% per annum compounded monthly.        OR (ii) $1000 invested monthly at 12% per annum compounded monthly.
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02/28/16

Financial maths question, Help!!
A bank offers you a rate of 10% on a 20-year mortgage to be paid in monthly repayments. If the most you can afford to pay in monthly repayments is $700, find the value of the biggest mortgage you... more
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02/28/16

Financial maths question Help!!
Assume that you are going to retire in 25 years time.You want a mortgage of $100000 now to extend and renovate your house but want to have it paid in full before you retire. The maximum repayment... more
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02/28/16

Financial maths question, HELP!!
An annuity involves saving $3000 per year at 7.3% per annum for 8 years.(i) Use the present value formula to calculate the single amount of money which could be invested at the same rate and for... more
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Maths

02/28/16

joe and ahmad had 80 marbles altogether.Ahmad has 4 times as many marbles as Joe.how many marbles each boy have?
its a maths question...i need all the working..
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02/28/16

A piece of string 90 cm long is cut into two pieces of different lengths. The longer piece of x(cm) is used for a rectangle with width a cm and length b cm, and
A piece of string 90 cm long is cut into two pieces of different lengths. The longer piece of x(cm) is used for a rectangle with width a cm and length b cm, and the shorter piece is used to form a... more
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02/28/16

If x and y are positive integers and x+y<9, how many different values are there for the product xy?
If x and y are positive integers and x+y<9, how many different values are there for the product xy?
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02/28/16

The length of the base of an isosceles triangle is an integer and is 4cm less than the sum of the two equal sides which are also integers. The perimeter is less
The length of the base of an isosceles triangle is an integer and is 4cm less than the sum of the two equal sides which are also integers. The perimeter is less than 80cm. What are the possible... more
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02/28/16

A committee is to have 3 more women than men and the number on the committee must be at least 7 but no more than 15. What are the possible numbers of women on t
A committee is to have 3 more women than men and the number on the committee must be at least 7 but no more than 15. What are the possible numbers of women on the committee? 
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