Sgstudent
Name:
Nixon
School:
Bukit Panjang Government High
About:
Favourite song: Bon jovi it's my life
Favourite food: Grilled chicken steak and escargot ;)
Hobby: Flying Radio-Controlled jets/planes/helicopters
Favourite internet meme : "It's now or never"
Favourite Subjects : MATH AND SCIENCE <3
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Questions Asked
Sgstudent:
Write about some of the disappointments and lost opportunities you experienced in your life.
I wrote about my feeling of disappointment and…
updated 3 months ago
5 replies
No Medals Yet
Mathematics
Sgstudent:
Factorise m^2 - 1/4 n^2 + n - 1 completely
updated 6 months ago
2 replies
No Medals Yet
Mathematics
Sgstudent:
Describe an experiment to demonstrate that a black surface emits more infra red radiation than a polished metal surface at the same tempera…
updated 7 months ago
No Medals Yet
Mathematics
Sgstudent:
Chlorine turns moist blue litmus paper red and gradually becomes colourless. Why?
updated 7 months ago
1 reply
No Medals Yet
Mathematics
Sgstudent:
The equation 2x^2 + x -4 =0 has roots a and beta and the equation x^2 - 2x + p =0 has roots k(a)/beta and k(beta)/a. Find the value of k an…
updated 7 months ago
3 replies
1 Medal
Mathematics
Sgstudent:
A curve has the equation y = (3 cos x - 4 sin x - 1 ) ^2 for 0<_ x <_ pie . Find the coordinates of the maximum pt of the curve in the doma…
updated 7 months ago
No Medals Yet
Mathematics
Sgstudent:
Find the equation of tangent to the curve y = ln x at the point where x = a. Hence, find the equation of tangent to the curve which passes t…
updated 7 months ago
22 replies
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Mathematics
Sgstudent:
The curve for which dy/dx = 25 - 9/x^2 has a maximum value of -30. Find the equation of the curve.
updated 8 months ago
21 replies
2 Medals
Mathematics
Sgstudent:
(i)Show that cot 75 degree = 2- sqrt 3
(ii) Hence, or otherwise show that cosec^2 75 degree = 4 cot 75 degree
updated 8 months ago
10 replies
1 Medal
Mathematics
Sgstudent:
The equation of a curve is given by y= 1/6 (2x - 9)^6 . a) Find the x coordinate of the point at whi…
updated 9 months ago
14 replies
2 Medals
Mathematics
Sgstudent:
The tangent to the curve y = ax^2 + bx + 2 at (1,1/2) , is parallel to the normal to the curve y = x^2 + 6x + 4 at (-2, -4). Find the values…
updated 9 months ago
1 reply
No Medals Yet
Mathematics
Sgstudent:
The variables x and y are related by the equation y = (1- 2x)^3 . Find the rate of change of x at the instant when x = 0.3, given that y is …
updated 9 months ago
4 replies
1 Medal
Mathematics
Sgstudent:
Given that d/dx 1-2x / square root (2+x^2) = g(x)/ square root (2+x^2)^3 ,find g(x).
updated 9 months ago
14 replies
2 Medals
Mathematics
Sgstudent:
The equation of a curve is given by y = x-1/ 3 + x^2. Given that Dy/dx = -(x-3) (x+1) / ( 3 + x^2) ^2. Determine the range of values of x fo…
updated 9 months ago
5 replies
1 Medal
Mathematics
Sgstudent:
Express x^3 - 2 / 2x^3 - x^2 in partial fractions.
updated 10 months ago
28 replies
2 Medals
Mathematics
Sgstudent:
How to write a good discursive 1 word essay? I was given the question on Rewards. How should i approach it?
updated 10 months ago
8 replies
No Medals Yet
Mathematics
Sgstudent:
Where can i find good sources of decriptive phrases for my english one word essay on rewards?
updated 10 months ago
No Medals Yet
Mathematics
Sgstudent:
Given that 2^(2x+3) x 7^x-2 = 2^3x (49^x), evaluate 14^x
updated 10 months ago
9 replies
2 Medals
Mathematics
Sgstudent:
Find the possible values of b for which the equation 9x^2 + bx + 7 = o has roots which differ by 2.
updated 10 months ago
18 replies
1 Medal
Mathematics
Sgstudent:
Given that one root of the equation x^2 + 2px - q = o is twice the other, express q in terms of p.
updated 10 months ago
29 replies
3 Medals
Mathematics
Sgstudent:
Given that the expansion of (1-3x)^2 (1+px)^2 In ascending powers of x is 1+10x+qx^2+..., calculate values of p and q. Should i use Tr+1 me…
updated 11 months ago
1 reply
No Medals Yet
Mathematics
Sgstudent:
David wants to plant trees in his garden in the form of an arc of a circle with a gap of 2 metre between two trees. If the radius of the cir…
updated one year ago
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Mathematics
Sgstudent:
An object hangs freely at 20m above the ground. It is released and it falls toward the ground. At height h metre above the ground, the speed…
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
An object hangs freely at a height 20m above the ground. It is being released and it falls toward the ground, the speed of the object is 10 …
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
Given that 2^(2x+2)⋅5^(x−1)=8^x⋅5^2x , evaluate 10 power x.
updated one year ago
44 replies
1 Medal
Mathematics
Sgstudent:
Solve the equation
9^x+1 - 19 x 3^x + 2 = 0
giving 3 significant figures in your answer where appropriate.
updated one year ago
13 replies
1 Medal
Mathematics
Sgstudent:
Why is 1/2 divided by log 9 = 3?
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
Some people say that children should take part in more outdoor activities. What do you think?
updated one year ago
No Medals Yet
Mathematics
Sgstudent:
Given 2 power x = 3 power y = 6 power p , show that p = xy/ x+y. Obviously this is a logarithm question.
updated one year ago
50 replies
2 Medals
Mathematics
Sgstudent:
Visible light takes 1.3 s to travel from earth to the moon. How long will a radio wave, with a wave length of 200 m takes to travel to and f…
updated one year ago
25 replies
No Medals Yet
Mathematics
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