2,563 Answered Questions for the topic Maths

Maths

07/24/17

i need help question in description
an art exhibition was held from friday to sunday. 50 more people attended on saturday than on friday, and 80 more people attended on sunday than on saturday. a total of 540 people attended the... more
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07/21/17

Solve chemical reaction for temperature of exothermic reaction (thermite)
Hi there, I I have a question about Physics/ chemistry.If I have a bag of iron oxide(lll) and powdered aluminium in the ratio of 3:1 totalling 72g, with 54g being Fe2O3 and 18g of 2Al, what would... more
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Maths Triangle

07/17/17

Choosing a method for solving a triangle
Two ships sailed from Point A at the same time. One sailed 28 nautical miles due east in 4 hours and the other sailed 36 nautical miles in the same time on a bearing of 158ºT. Find the distance... more
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Maths

07/15/17

How to know that
How to prove that the equation x/n + y/w = 1 is parallel to y= -w/n(x) if n>0 w>0 and n not equal w 
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07/13/17

how do you prove that the derivative of x^n is nx^n-1
how do you prove that the derivative of x^n is nx^n-1
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07/09/17

Sum of roots of a quadratic equation is 17/6 and the product of the roots is -5/2 . Write the quadratic equation and solve it to find the roots
pls give me the answer
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Maths 10th Grade

07/08/17

If ab=14 find hcf of a and b
Given ab= 14 To find HCF(a,b)
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Maths

07/08/17

What is the general term of (x + 2/x)^4 ?
 i want to know the answer of this question immediately for the preparation of my entrance test
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Maths

07/04/17

Interest rate of current account
This is my maths Holidayhomework
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Maths

06/28/17

find the length of a diagonal of rectangles whose length is 30cm and width is 16cm
Answer the above question
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Maths

06/28/17

40% of the animals are dog, 35% are cats and 10% are rabbits. There are 6 birds. How many cat are there
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Maths

06/24/17

write the answer in the time units indicated in the parentheses 7 hours 40 minutes 40 seconds (seconds)
help me with 5000 seconds (minutes,seconds) 7100 minutes (days,hours,minutes)
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Maths

06/22/17

2a+3+2a in simpelest form
Please help.
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Maths

05/30/17

the smallest whole number that is to be multiplied with 59535 to make a perfect square number is x .the sum of digits of x is
Answer is 6 ..please give the solution step by step so that it can help me understand clearly 
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Maths

05/23/17

what is the answer to this: 6/2(1+2)
9 is wrong btw, its 1
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Maths

05/22/17

There are 317 passengers on the plane, there are 85 more adults than kids on the plane. How many children are on the plane
There are 317 passengers on the plane, there are 85 more adults than kids on the plane. How many children are on the plane  
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05/21/17

Word promblem
2/3 of the leaves of a tree fall of in the first week. In the second week 2/3 of the remaining leaves fell off. In the 3rd week 2/3 of the remaining leaves fell off. Now there are 37 leaves left.... more
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Maths

05/18/17

A suit costs £84 in a 30% off sale. Find the original price of the suit.
This is just a math question that in which i need the answer to be confirmed. I know 2 possible answers, £120 and £109. I have used a method in which seems correct.  
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Maths

05/15/17

Maths linear equation in one variable
solve - a two digit number is such that one digit is twice the other. on interchanging the digit the new number so obtained is less  than 9 and twice the orginal number. Find the original number.
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Maths

05/10/17

Teacher has numerous students and puts them in groups of pairs, triples, fours and fives, there is always one student over, how many students are there
A teacher has numerous students and puts them in group of pairs, triples fours and fives, but there is always a student left over,  how many students are there?
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Maths

05/09/17

Please give me explanation on how 3/6 equivalent to 2/4 i just don't get it please explain me
Help me please i need explanation on how  how 3/6 equivalent to 2/4
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Maths

05/07/17

Find the general solution of: 4sin^2(x) -5cos(x) +1 = 0
it is meant to say 4sin2x
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05/05/17

Alloy Question
An alloy is made from a mixture of gold and silver. The density of gold is 19.3 g/cm^3. The density of silver is 10.5g/cm^3. A ring is made from the alloy. The mass of the ring is 10g and its... more
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Maths

04/28/17

From A,B lies 11 km away on a bearing of 041 degrees and c lies 8 km away on a bearing of 341 degrees.Find the distance between b and c and bearing of b from c.
Answer are given 9.8 km and 085.7 degrees
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Maths

04/21/17

x=0.02(1-{e}^{-0.4}))
please explain how to sole ths problem in detail
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