vaaruni
vaaruni
Female
June 5, 2012
Teacher
High School - 10th Grade
Computers / Technology
I am interested in teaching /math, Physics and computer programming(C,C++ and java
Biography
I have 34+ yrs of experience of teaching uMaths and Physics(up to class 10) and computer science up college level.I have written two books on computers.
New Activity for vaaruni
Answered a Question in Math
Given : i) temperature in centigrade = 50 degree Formula : F = (9/5)*C + 32...
Answered a Question in Math
Given: 2x-2y+z=3 -----(1), 5y-z= -31 -----(2), x+3y+2z= -21 ----(3)...
Answered a Question in Math
The ques 5n+1 = is in complete, because it is not given that 5n + 1 equal...
Answered a Question in Math
Given: base of an isoceles right andled tiangje = 30 cm. We know that an...
Answered a Question in Math
Tips are from Varuni To solve the word problems, follow the following...
Answered a Question in Math
Given : volume of a cone = 350 cm^3, height = 10 cm Require to find the radious of...
Answered a Question in Math
We are require to find the co-ordinates of the point dividing the line AB Joining...
Answered a Question in Math
Given 4x^2 + 4x + c is a perfect square For perfect square we use expansion...
Answered a Question in Math
Given point P(x1,y1) = (5,7), Q(x2,y2) = (7,1), R(x3,y3) = (-1,5) Let...
Answered a Question in Math
root(5)(32x^5.y^15)= (32x^5.y^15)^(1/5) (32x^5.y^15)^(1/5)=...
Answered a Question in Math
a(c+b)-c(b+a)+b(c-a) =ac+ab-cb-ca+bc-ba [removing brackets by...
Answered a Question in Math
Let the speed of Emily in still water be 'x' miles/hr. and the speed of current be...
Answered a Question in Math
Given : x=a(y+z), y=b(x+z) and z=c(x+y) Therefore : a=x/(y+z), b=y/(x+z) and=...
Answered a Question in Math
There is no diagram hence the question is not clear at all Please provide the...
Answered a Question in Math
The given equqtion : 3x-2y=5 We know that the form of the equation of a straigjt...
Answered a Question in Math
In case you want to solve this equation : a^2 + 2a -3 = 0 then the solution is...
Answered a Question in Math
Square of a^2+2a-3 (a^2+2a-3)^2=(a^2)^2+(2a)^2+(-3)^2+2*(a^2)(2a)+2*(2a)*(-3)...
Answered a Question in Math
given : Simple Interest (SI)= 1000, Rate(R)=10% p.a. , Time(T)=2yrs. We know...
Answered a Question in Math
We are require to prove :- tan^2(x)= (1-cos2x)/(1+cos2x) Let us take R.H.S ->...
Answered a Question in Math
1/sin^2x + 1/cos^2x = sec^2x. csc^2x L.H.S :- 1/(sin^2x) +...
Answered a Question in Math
Given:- (x-1/x)=4 We require to find (x+1/x) Using the formula : (a-b)^2= (a+b)^2...
Answered a Question in Math
Given : -3/(1-2x) = 4/(x-3) =>{-3/(1-2x)}*(1-2x)={4/(x-3)}*(1-2x)[...
Answered a Question in Math
Let us take the right angle triangle ABC , where angle B= 90 degree. Then...
Answered a Question in Math
Answered a Question in Math
Given : tan x + cot x = 1 => (sin x)/(cos x) + (cos x/sin x) =1 => (sin^2 x...
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