2,563 Answered Questions for the topic Maths

Maths

07/26/18

Show that... (Maths)
Hi all, I am having problems with a certain maths question.   Show that 155 can be expressed as the sum of a power of 2 and a cube number   Thanks again
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Maths

07/24/18

Maths Polynomials-3
Given that p2 +6p=q2 +6q and that p does not equal q, find the values of:       (a) p+q       (b) 4(p+q)2
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Maths

07/24/18

Maths Polynomials
Find the value of (1+x)(2+x)(3+x)^2 (4+x)(5+x) if x^2 +6x=2.
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Maths

07/23/18

(Please show me with full work out)
The first the third and the seventh terms of an increasing arithmetic progression are three consecutive terms of geometrical progression.If the first term of the arithmetic progress is 10 , find... more
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Maths

07/20/18

give solution
In one shift of 8 hrs,28 tea pluckers can pluck 1260 kg of green leaves .By how much can the work force be reduced if the same amount of green leaves is to be plucked in 14 hrs
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Maths

07/20/18

SOLUTION PLZ
An office goers sees a bus trundling past at 10 km/hr and makes a run for it at 14 km/hr.If he manages to board the bus after 9 seconds ,how far was the bus's entrance when the office goer started... more
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Maths

07/19/18

Find a point on the y-axis which is equidistant from the point (5,2) and (-4,3)
I am getting confused in this problem. 
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Maths

07/18/18

explain by unitary method
Electrician A takes 15 minutes to fit a ceiling fan while electrician B takes 18 minutes to do the same job.working together,how long will they take to fit 22 ceiling fan
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Maths

07/18/18

There are 579 spectators at a tennis match. Of these, 123 spectators were children and there were twice as many men as women. How many women were there?
Linear equation
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Maths

07/18/18

SOLUTION PLZ
a swimming pool has four inlet pipes.Each pipe can fill the swimming pool in 15 hours . how long will it take to fill up the swimming pool if all four pipes were opened simultaneously. answer is 3... more
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Maths

07/17/18

Maths Problem
R=x2     y   x=3.8x105 y=5.9x104
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Maths

07/17/18

If x = root 2-1, then find the value of 1/x
Maths question. Someone pls help. Very very extremely urgent..  
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Maths

07/17/18

Obtain the condition that the equation x2+hx+c=0 has two distinct real solutions,exactly one solution,and no real solution
Please tell me answer sir
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07/16/18

3 consecutive even integers are such that the sum of the smaller two is equal to six more than the largest one. Find the integers
Please help! I'm stumped :(
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Maths

07/16/18

unitary math
Two bulls are 65 m away when they charge at each other.If one bull runs in at 36 km/hr and the other at 42 km/hr ,how long will the bulls take to lock horns
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Maths

07/15/18

SOLUTION PLZ
Leaving home at same time if maria walks to school at 3 km/hr she reaches 10 minutes late if she cycles to school at 6 km/hr she reaches 15 minutes early.How far is the school from her home?
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Maths

07/14/18

give solution
pipe A can fill a tank in 50 minutes while pipe B takes an hour to fill it up.Pipe A is opened first and the tank starts filling up.After 17 minutes ,pipe B is also opened.In how many more minutes... more
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07/05/18

n(A intersection B) =0. I want to ask what the n here means
and if we’re given with a statement of union or intersection with this n then how do we find the conditio? Thank you  
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07/05/18

A stock solution NaCL solution is 20%. From it prepare 15 mL of 0.9% saline solution. How much of the stock solution do you need? How much water do you ne
Determine the volume of stock solution needed and the volume of diluent
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Maths Aptitude

07/03/18

25% of a solution containing 20% petrol, 50% diesel and 30% kerosene was replaced with kerosene
25% of a solution containing 20% petrol, 50% diesel and 30% kerosene was replaced with kerosene. now, 2/3 of the solution obtained in the previous step was replaced with petrol. what is the... more
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07/03/18

What is the nth term for this pattern 9 16 25 36 (n +......)²
This was in my end of year test and was the only one i got wrong but i cant seem to find the answer even after long contemplation
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07/02/18

XYZ is a 45⁰-45⁰-90⁰ triangle with longer side equal to 6/√2. What is the area of the triangle?
18, 18/√2, 36 or 9/2  
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Maths

07/02/18

If p=3x+2y, find the maximum value of p subject to the given constraints
Constraints : 2x+y less than and equals to 6 2x+3y less than and equals to 12 0 less than and equals to X less than and equals to 2 y more than and equals to 0
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07/01/18

Sum of direction angles of vector [0,1,0] is?
pi/2, 0, pi or 3pi/2? Also explain plz thank you. 
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07/01/18

What is the difference between [2, infinity) and (1, infinity)?
Don’t the both of them mean the same? i.e from 2 to infinity? There was this one mcq which had both of these options. So how do yoy differentiate between the two?  
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