Mr.Math
 Name:
 V.
 School:
 Math undergrad
 About:
 It doesn't make sense to ask a man wearing a mask who he is!! (Mr.Math91@gmail.com)
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Questions Answered

grimmace3:
Group Title
Is the statement True or False? If it is False, give a Counterexample.
For all Real numbers a and b, a * b = b + a
 updated 6 months ago
 2 replies
 1 Medal
Mathematics

Medocir:
Group Title
Let f and g be linear functions with equations
f(x) = m1x + b1 and g(x) = m2x + b2.
Is f compose g also a linear function?
 updated 10 months ago
 2 replies
 No Medals Yet
Mathematics

mia888:
Group Title
Use summation notation to write the series 2 + 4 + 6 + 8 + ... for 10 terms.
 updated one year ago
 10 replies
 1 Medal
Mathematics

UnkleRhaukus:
Group Title
how can i disprove the following statement
\[(\exists a ,b \in \mathbb N)(3a + 4b = 2)\]
 updated one year ago
 18 replies
 3 Medals
Mathematics

jlmack07:
Group Title
a little help with summation please
4 over sigma k=3 (k^2+k)
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

cupcake_queen:
Group Title
find the yintercept
3x+4y=36
 updated one year ago
 13 replies
 2 Medals
Mathematics

jje089:
Group Title
Solve the differential equation
dT(t)/dt= 0.85(75+35sin(t)T)
…
 updated one year ago
 2 replies
 2 Medals
Mathematics

jdmbski:
Group Title
Assume F is directly proportional to r, and F = 11 when r = 3. Find the equation that relates F to r. I'm awful at math please help me! …
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

YessiLaMuneka:
Group Title
population growth can be modeled using the formula p=cr^t, where C is the initial population, r is the growth factor, and t is time in years…
 updated one year ago
 4 replies
 1 Medal
Mathematics

ryoblck:
Group Title
7. Which if the following is always true of odd functions?
I. f (−x) = −f(x)
…
 updated one year ago
 11 replies
 1 Medal
Mathematics

luisz:
Group Title
If the area of a circle whose diameter is pi, is written
as a times pi to the b power, what is the value of
…
 updated one year ago
 11 replies
 1 Medal
Mathematics

KathrynWithLove:
Group Title
if f(x)=7x + 5 and g(x)= x^2 , What is (g + f)(x) . I don't understand this question because what about like terms? Can I answer it w/o the…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

cee_laetriece:
Group Title
find the indicated limit
lim(6t^211t+1)
>4
 updated one year ago
 4 replies
 1 Medal
Mathematics

taylorrrr:
Group Title
Line m is drawn so that it is perpendicular to two distinct planes, Q and R. What must be true about planes Q and R?
A. Planes Q and R ar…
 updated one year ago
 3 replies
 2 Medals
Mathematics

sabika13:
Group Title
what are the x intercepts : x^3 9x^2 +27x 27
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

JazzySarah4:
Group Title
Many highways have signs along the side of the road that list your mileage from some place behind you. You are driving down a highway and no…
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

sabika13:
Group Title
How do I factor this: x^3 9x^2 +27x 27
 updated 8 months ago
 12 replies
 2 Medals
Mathematics

Nastech:
Group Title
integral exp(x)(z)=(x1)(exp(x))dx
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

FoolForMath:
Group Title
Another cute number theory problem,
Set \( N = 2^{10} \times 3^{9} \). If \( n\in \mathbb{N} \) and \( nN^2 \), how many of \(n\) are th…
 updated 2 years ago
 44 replies
 11 Medals
Mathematics

Mr.Math:
Group Title
A problem in group theory.
Prove that a group has exactly \(3\) subgroups if and only if it's a finite cyclic group of order \(p^2\).
 updated 2 years ago
 11 replies
 2 Medals
Mathematics

quyenthuy820:
Group Title
If (x,y) is a point on the graph of a function, and all points near (x,y) have a greater yvalue than (x,y), then (x,y) must be
A. A rel…
 updated 2 years ago
 5 replies
 4 Medals
Mathematics

Mr.Math:
Group Title
As @farmdawgnation requested..
 updated 2 years ago
 2 replies
 2 Medals
Mathematics

lalaly:
Group Title
Fourier
 updated 2 years ago
 43 replies
 3 Medals
Mathematics

FoolForMath:
Group Title
Albeit elementary, yet another cute integral,
\[\text{ Evaluate: } \large \int \limits_0 ^{\frac 32} \lfloor x^2 \rfloor \; dx\]
 updated 2 years ago
 23 replies
 6 Medals
Mathematics

kailoon889:
Group Title
Use Laplace transform to solve the following system:
x''=x+3y
y''=4x(4e^t)
…
 updated 2 years ago
 6 replies
 3 Medals
Mathematics

FoolForMath:
Group Title
Fool's problem of the day,
Wonderful Integrals:…
 updated 2 years ago
 27 replies
 11 Medals
Mathematics

eigenschmeigen:
Group Title
n points are placed at random on the circumference of a circle, what is the probability that they all lie within a common semicircle?
 updated 2 years ago
 38 replies
 9 Medals
Mathematics

FoolForMath:
Group Title
Fool's problems of the day,
[** EDIT: Complimentary problem added **]…
 updated 2 years ago
 81 replies
 13 Medals
Mathematics

TuringTest:
Group Title
Let\[y=x^p(1+x)^q\]find\[y^{(p+q)}\]
 updated 2 years ago
 13 replies
 3 Medals
Mathematics

Kreshnik:
Group Title
\[\\text{How can I find the sum of:} 2001^22000^2+1999^21998^2+...+3^22^2+1^2 ?\]
How can I simplify this... ?
 updated 2 years ago
 23 replies
 5 Medals
Mathematics
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