ZeHanz
Name:
School:
About:
I'm a high school maths teacher from Holland.
I like to help people with maths questions! Many times I learn from it too, because the topics from all over the world are more varied than those from my country alone.
OpenStudy saves me from getting rusty...
Most Active Subjects
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 4
Medals Received 1
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 1
Questions Asked 2
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 40
Medals Received 15
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 34
Medals Received 15
Questions Asked 0
Questions Answered 4
Medals Received 2
Questions Asked 0
Questions Answered 6
Medals Received 1
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 1
Questions Answered 61
Medals Received 17
Questions Asked 0
Questions Answered 3
Medals Received 1
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 2
Questions Answered 1048
Medals Received 663
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 1
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 0
Questions Answered 12
Medals Received 6
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 4
Medals Received 1
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 1
Questions Asked 2
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 40
Medals Received 15
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 34
Medals Received 15
Questions Asked 0
Questions Answered 4
Medals Received 2
Questions Asked 0
Questions Answered 6
Medals Received 1
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 1
Questions Answered 61
Medals Received 17
Questions Asked 0
Questions Answered 3
Medals Received 1
Questions Asked 0
Questions Answered 0
Medals Received 0
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 2
Questions Answered 1048
Medals Received 663
Questions Asked 0
Questions Answered 1
Medals Received 0
Questions Asked 0
Questions Answered 2
Medals Received 1
Questions Asked 0
Questions Answered 1
Medals Received 1
Questions Asked 0
Questions Answered 12
Medals Received 6
0
Questions Answered
chefzify:
Group Title
what is the missing exponant in 1/169=1/13^? (the carrot is the missing exponant. will give medal to first response with answer.
updated 15 days ago
2 replies
No Medals Yet
Mathematics
Cold3693:
Group Title
Find the real of imaginary solutions of each equation by factoring. The equation is x^4 - 5x^2 + 4 = 0
updated 2 months ago
5 replies
3 Medals
Mathematics
r.g:
Group Title
Is (1)/(z-i) meromorphic at C?
updated 3 months ago
4 replies
1 Medal
Mathematics
mateosa:
Group Title
what would be the answer of ln ((e^a)/(e^b))? Thanks
updated 4 months ago
6 replies
1 Medal
Mathematics
sumayyahzidan10:
Group Title
g(x) = cosh(ln x) find the derivative
updated 4 months ago
3 replies
No Medals Yet
Mathematics
Ahsome:
Group Title
Find the equation of the directrix, given the coordinates for the focus and the vertex
updated 5 months ago
35 replies
1 Medal
Mathematics
angela10:
Group Title
how do you convert 320km/h to m/s
updated 5 months ago
34 replies
1 Medal
Mathematics
Sthalha1:
Group Title
Using the following equation, find the center and radius of the circle you must show all work and calculation to recieve credit
x^2 -4x+y…
updated 5 months ago
25 replies
No Medals Yet
Mathematics
olipop2002:
Group Title
medal + fan!!!!!The graph of following ordered pairs: 1,1 2,3 4,7 5,9
…
updated 7 months ago
16 replies
1 Medal
Mathematics
amybrooke:
Group Title
Will fan and medal
least common denominator
x^4 / x^2x+1 -8 / x^2+5x+4
updated 7 months ago
27 replies
2 Medals
Mathematics
Shelbylynn97:
Group Title
Can someone please show me step by step how to do this??? This is geometry: Simple Harmonic Motion. Picture attached below.
updated 7 months ago
7 replies
2 Medals
Mathematics
ard456:
Group Title
How to graph f(x) = x^3 + 4x^2 - x - 4
updated 9 months ago
8 replies
1 Medal
Mathematics
Bestud:
Group Title
Find the distance traveled by an object on the interval [0, 5] if its velocity is v(t)= sin((pi/3)t)
updated 9 months ago
21 replies
No Medals Yet
Mathematics
genesis202022:
Group Title
Can someone please explain to me how to solve this problem?
6-4(3-5)^2+30÷5
Like I know the answer but I don't know the steps to solving i…
updated 10 months ago
3 replies
1 Medal
Mathematics
elliecosme:
Group Title
Can you help me with another problem? @ZeHanz
updated 10 months ago
18 replies
1 Medal
Mathematics
elliecosme:
Group Title
Help please!
…
updated 10 months ago
12 replies
3 Medals
Mathematics
jarredondo115:
Group Title
Suppose that sin theta = 3/5 and 0<theta<pi/2. I have to find the exact values of cos theta/2 and tan theta/2.
updated 10 months ago
24 replies
No Medals Yet
Mathematics
keke_luvs_u:
Group Title
i think its B.
Which of the following is a true statement?
…
updated 10 months ago
7 replies
2 Medals
Mathematics
Awesomeness3291:
Group Title
i have 5 questions. medal and fan, pppllleeeeaasseee. i only have 10 minutes
updated 10 months ago
22 replies
1 Medal
Mathematics
elliecosme:
Group Title
Help please!
Fan and medal!
…
updated 10 months ago
20 replies
2 Medals
Mathematics
SeasAventura:
Group Title
(y^-4)^4 and the answer can't have negative exponents...any help please?
updated 10 months ago
8 replies
No Medals Yet
Mathematics
aprilangel09:
Group Title
Find the next term in this arithmetic sequence: 2/3, 2, 3 1/3, ____
…
updated 10 months ago
4 replies
1 Medal
Mathematics
kaylaelizabeth:
Group Title
math help anyone!!
updated 10 months ago
7 replies
1 Medal
Mathematics
xhesino:
Group Title
prove that 2^n>n for every n
with mathematical induction
updated 10 months ago
20 replies
No Medals Yet
Mathematics
yoitsren:
Group Title
find exact value: inverse tan(tan 7pi/4). Medal to whoever can help describe the steps. Im not good at solving the radians.
updated 11 months ago
2 replies
1 Medal
Mathematics
hotgurl72:
Group Title
Consider the extremely large integers x = 2X3X5X7X11X13X17X19X23X29 and y = 29X31X37X41X43X47X53X59X61X67. What is the greatest common divis…
updated 11 months ago
12 replies
1 Medal
Mathematics
Semperfi:
Group Title
10,000,000,000 =
1010
…
updated 11 months ago
6 replies
No Medals Yet
Mathematics
Semperfi:
Group Title
A kilobyte is 210. A megabyte is 220 bytes. How many kilobytes are in a megabyte? Use the exponent rule for division to find your answer an…
updated 11 months ago
3 replies
No Medals Yet
Mathematics
wildfire95:
Group Title
find he series shown
∑n=3∞(2n+5)
these r the choices:
…
updated 11 months ago
5 replies
1 Medal
Mathematics
jamainehouston:
Group Title
Rational root theorem find all roots 3x^3-13x^2+13x-3
updated 11 months ago
2 replies
No Medals Yet
Mathematics
> Older questions