2,563 Answered Questions for the topic Maths

10/17/16

Freddie cycles to work every day. Yesterday, his journey home from work took 50% longer than usual. By what percentage was his average speed slower than normal?
Can you please help me answer this maths question as I believe the answer to be 50% but that is too obvious.
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Maths

10/14/16

find least number to be subtracted from 1886 to get a perfect square
 for .the given number ,find the leat number to be subtracted to get a perfect square. the number is 1886
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Maths

10/09/16

what is the highest common factor of 16 and 24
i also need the lists   
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Maths

10/07/16

Juan has two fewer dimes than quarters.He has a total of $2.25 .
Define a variable  write as equation
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Maths

10/04/16

The sum of 26 and a number equals 3 times the number
The sum of 26 and a number equals 3 times the number   Define a variable and create equation
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10/03/16

Need some help on this word problem
The cost to produce x units of wire is C=20x+550?, while the revenue is R= 45x. Find all intervals where the product will at least break even.   A. The inequality in interval notation is _____B.... more
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Maths Proofs

10/02/16

Maths Proof
Show that the product of the first n even positive integers is 2^n(n!)   Apparently you can show this on one single line (which is required)
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Maths

09/29/16

how much colder is new york than sydney,
if new york is-4 degrees and sydney is 26 degrees
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Maths

09/28/16

A basketball player scored 5 more points in the most recent game than the previous game...how many points did the basketball player score in the previous game?
A basketball player scored 5 more points in the most recent game than the previous game. The basketball player also scored twice as many points in the most recent game than the game before the... more
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09/26/16

I need some help with this math problem please.
The length of each side of a square is 3 in. more than the length of each side of a smaller square. The sum of the areas of the squares is 185 in^2. Find the lengths of the sides of the two... more
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Maths

09/13/16

devid 20 into 7 parts that each value not repeated and answer is not in point
Device 20 into 7 parts Value not repeated Answer is not in point
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Maths

09/12/16

Problem solving
my petrol tank was a quarter full when i pull into the petrol station i put £22.50 worth of petrol and noticed that the tank was now two thirds full the cost was £1.20 per litre what is the... more
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Maths

09/12/16

Maths problem in desciption any help is needed. I appreciate all who choose to.
Zaina is curious about numbers that contain the number 2016. She insists that the digits 0, 1, 2, 6 occur only once in the number and they appear as the uninterrupted sequence 2016. She calls such... more
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Maths

09/12/16

Use two different methods to find the decimal expansion of 1/3541. Justify each method.
Maths, Help is needed! any help is appreciated
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Maths

09/12/16

Find the smallest odd positive integer m such that the decimal expansion of 1/m has just 4 non-recurring digits and 2 repeating digits.
Another maths problem i need help with any help is appreciated, Thanks!
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Maths

09/07/16

How many rabbit in the box?
Number of rabbits in a box divided  into 4 lots. 1st lot when divided by 8, 2nd lot when divided by 6, 3rd lot when divided by 9 and 4th lot when divided by 4 resulted the same whole number. What... more
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Maths

09/04/16

Show that the curves whose equations are y = Squ(3x+1) and y = Squ(5x-x^2) have the same slope at their point of intersection. Find the equation of the common t
Show that the curves whose equations are y = Squ(3x+1) and y = Squ(5x-x^2) have the same slope at their point of intersection. Find the equation of the common tangent at this point. ???
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Maths

09/04/16

The curve f (x) = 3x^3 + Ax^2 + B has tangent with slope 0 at the point (-2, 14). Find A and B and hence f''(x)(-2).
The curve f (x) = 3x^3 + Ax^2 + B has tangent with slope 0 at the point (-2, 14). Find A and B and hence f''(x)(-2).  
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Maths

09/03/16

Find the equations of the tangents to y = x^3 from the external point (-2, 0).
Find the equations of the tangents to y = x^3 from the external point (-2, 0).  
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Maths Calculus Mtahs

09/03/16

Find the equation of the normal to y=7t^3-4 when it interacts with y=2t+1
Find the equation of the normal to y=7t^3-4 when it interacts with y=2t+1
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Maths

09/03/16

The graph of y=ax^3+bx^2+ cuts the X-axis where at an angle of . At the point where it cuts the Y-axis, and it is parallel to the line . Find the constants
The graph of y=ax^3+bx^2+cx+d cuts the X-axis where x=2 at an angle of 45 degrees. At the point where it cuts the Y-axis, y=6 and it is parallel to the line 5x+y=4 . Find the constants a, b, c and d
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Maths

09/03/16

If P is at (-2,3) and Q is at (6,-3),the line segment [PQ] is a tangent to y=b/(x+1)^2 Find b.
If P is at (-2,3) and Q is at (6,-3),the line segment [PQ] is a tangent to y=b/(x+1)^2 Find b.
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Maths

09/01/16

60% of Mikes money is €12 how much is hid total amount of money
60% of Mikes money is €12.How much is hid total amount of money?
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08/27/16

If X=logY then what is the answer when Y=2? Need help urgently!!!
I don't know how to do this so any help would be great! I'm desperate please!
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08/23/16

Vijay the plumber put in an new bathroom for us. he charges 2200 pounds plus 17 and a half percent VAT. what was the total we paid?
I need to know how much we all paid and how much is 17 and 1/2 percent VAT. Is it add or times or is  all of the formulas.
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