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The derivative of f(x)=2^x/x 2017-11-28
Chhavi pose la question :
f(x)=2^x/x.
Find f'(x).

Penny Nom lui répond.
GCD 2017-11-25
A student pose la question :
Suppose a,b, c are integers such that gcd(a,b)=gcd(a,c)=1. Show that gcd(a,bc)=1.
Penny Nom lui répond.
Abstract algebra 2017-11-25
A student pose la question :
Suppose a,b, c are integers such that gcd(a,b)=gcd(a,c)=1. Show that gcd(a,bc)=1.
Penny Nom lui répond.
Exponential form 2017-11-25
Sherry pose la question :
What is the exponential form of 3sqrt 15?
Penny Nom lui répond.
10 digit permutations 2017-11-24
Ed pose la question :
HI my question..
numbers1,2,3,4,5,6,7,8,9,0 how many combinations are there

example: 518, 269, 3470
example2:815,972, 3460
example3: 185,047,2369

Penny Nom lui répond.
Heat equation 2017-11-23
Max pose la question :
What does du\dt=a(triangle)^2u mean. Can it be solved for t.
Penny Nom lui répond.
How many miles did he drive in one hour? 2017-11-21
Ava pose la question :
Graham drove 42 1/3 Miles in 1 1/3 hours. How many miles did he drive in one hour?
Penny Nom lui répond.
An expression for the area of a triangle 2017-11-19
hari pose la question :
why is area of a triangle drawn from centre of a circle i.e radii forming the sides is 1/2 *r^2 sin theta where r is radius
Penny Nom lui répond.
Jesse has dimes and nickels in his piggy bank. 2017-11-18
Dee pose la question :
Jesse has dimes and nickels in his piggy bank. The number of nickels is 3 times the number of dimes. If the total amount is $8.50, how many coins are there in total?
Penny Nom lui répond.
Blair is 12 years younger than Serena right now. 2017-11-18
Dee pose la question :
Blair is 12 years younger than Serena right now. Three years ago Serena’s age was five times Blair’s age. What are their ages?
Penny Nom lui répond.
The mass of a length of tree trunk 2017-11-13
SM pose la question :
What is the mass of a length of 1m of trunk a tree trunk of uniform cross section of area 0.5 sq.m is made of wood of relative density 0.8?
Penny Nom lui répond.
Splitting twice 2017-11-11
Terry pose la question :
4 people are splitting 1/3 of something. 1 is to receive twice as much as the other 3. what it the fractional interest for each?
Penny Nom lui répond.
The graph of graph y= -2x-1 2017-11-11
Natividad pose la question :
How do you graph y= -2x-1?
Penny Nom lui répond.
A triangle with sides measuring 6, 8 and 10 inches 2017-11-11
rukhsar pose la question :
A certain triangle has sides, which are, respectively, 6 inches, 8 inches, and 10 inches long. A rectangle equal in area to that of the triangle has a width of 3 inches. The Perimeter of the rectangle, expressed in inches, is
Penny Nom lui répond.
math 2017-11-11
rukhsar pose la question :
A certain triangle has sides, which are, respectively, 6 inches, 8 inches, and 10 inches long. A rectangle equal in area to that of the triangle has a width of 3 inches. The Perimeter of the rectangle, expressed in inches, is
Penny Nom lui répond.
 
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Centrale des maths reçoit une aide financière de l’Université de Regina et de The Pacific Institute for the Mathematical Sciences.

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