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A model car moves so that its distance, x centimetres, from a fixed point O after time t seconds...

Posted by abroadfi on March 11, 2012 at 1:47 AM via web.

1 educator answer.

Describe the geometrical transformation that maps the graph of y=x^2 onto the graph of y=x^2 + 2x...

Posted by emourey on March 11, 2012 at 1:25 AM via web.

A curve has equation y=x^2+2x+5. Write down the coordinates of the minimum point of the curve....

Posted by larad92 on March 11, 2012 at 1:22 AM via web.

Express x^2 + 2x + 5 in the form (x+p)^2 + q, where p and q are integers. Hence show that x^2 +...

Posted by jbyron91 on March 11, 2012 at 1:12 AM via web.

Express sqrt 45 + (20/ sqrt 5) in the form k*sqrt 5, where k is an integer.

Posted by jlmara on March 11, 2012 at 1:03 AM via web.

Express `(7+sqrt5)/(3+sqrt5)` in the form of `m+n*sqrt 5` , where m and n are integers.

Posted by amywwww on March 11, 2012 at 12:58 AM via web.

Factorise 2x^2 - 5x + 3

Posted by jmanor on March 11, 2012 at 12:55 AM via web.

lilicaalguém sabe falar em portugues? me ajude nesse site lilicahits@hotmail tenho um trab de...

Posted by lilicahits on March 11, 2012 at 12:51 AM via web.

Explain why the trigonometric equation 2sinθ - 5 = 0 fails to have solutions.

Posted by acaputi on March 11, 2012 at 12:46 AM via web.

prove that (a^2-b^2)^3+(b^2-c^2)^3+(c^2-a^2)^3=3(a+b)(b+c)(c+a)(a-b)(b-c)(c-a)no

Posted by subrahmanian on March 11, 2012 at 12:30 AM via web.

Solve the inequality 2x^2 - 5x + 3 < 0

Posted by hodgey89 on March 11, 2012 at 12:10 AM via web.

The points of A and B have coordinates (1,6) and (5,-2) respectively. The mid-point of AB is M. A...

Posted by hbenson92 on March 11, 2012 at 12:05 AM via web.

The points A and B have coordinates (1, 6) and (5, -2) respectively. The mid-point of AB is M....

Posted by katieb68 on March 10, 2012 at 11:59 PM via web.

Solve equation (2x+1)A2=110

Posted by onlineeny on March 10, 2012 at 10:45 PM via web.

how simplify the fraction (x^2+5ix-6)/(x^2+9)? what is 5i?

Posted by boiron010 on March 10, 2012 at 10:13 PM via web.

show all stepsx,y= 2^x*3^y=18 2^y*3^x=12

Posted by catens on March 10, 2012 at 10:10 PM via web.

Prove that log(1+2+3) = log 1 + log 2 + log 3.

Posted by rahmatrabbani on March 10, 2012 at 8:57 PM via web.

Piecewise defined functionsg(x) is a piecewise defined function such that Ax+B, when x <-1; 2x...

Posted by znerihc on March 10, 2012 at 8:36 PM via web.

How to factorize (x-y)?

Posted by raziahmad on March 10, 2012 at 5:54 PM via web.

Solve this differential equation: `(1+y)y’ = x*sqrt y`

Posted by megan25 on March 10, 2012 at 5:48 PM via web.

An association of insurance agents helps children from low-income homes at a primary school by...

Posted by expcalc1997 on March 10, 2012 at 4:09 PM via web.

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How to find logarithms easilyHow to find the value of log2.7 by any shortcut or alternative methods?

Posted by vishnuip on March 10, 2012 at 1:19 PM via web.

3 educator answers.

Symbols Not: ~ and: Ʌ or: ˅ if… then→ A. If x²=y²and x is...

Posted by dotta12345 on March 10, 2012 at 12:53 PM via web.

The force applied by a rocket engine is 3600t^-3 N. If the rocket weighs 2100 kg after 12 s, what...

Posted by lxsptter on March 10, 2012 at 12:49 PM via web.

The surface area of a sphere is increasing at the rate 18 m^2/s. What is the rate of increase of...

Posted by lxsptter on March 10, 2012 at 12:38 PM via web.

A particle has a displacement given by D = x^2 + 3*y. If x changes at 16 m/s and y changes at 12...

Posted by lxsptter on March 10, 2012 at 12:23 PM via web.

A square sheet of metal with sides 10 m is bent to form a sphere. What is the radius of the sphere?

Posted by lxsptter on March 10, 2012 at 12:08 PM via web.

What is the maximum area of a square enclosed in a circle of radius 8 m.

Posted by lxsptter on March 10, 2012 at 12:03 PM via web.

Find f'(2) for the function f(x)=(h(x))/(x) if h(2)=-12 and h'(2)=5.

Posted by bobby9901 on March 10, 2012 at 11:54 AM via web.

A 100m cliff erodes by 2/7 of its height each year, after how many years is the height of the...

Posted by ctkh66 on March 10, 2012 at 11:20 AM via web.

How do you solve x^2-16=0 and 2x^2+4-1=0.

Posted by sheriff97 on March 10, 2012 at 10:05 AM via web.

What is the pattern in the sequence: 3, 4, 7, 12, 19, 28, ...

Posted by lindsaydanielle on March 10, 2012 at 9:59 AM via web.

the age x of unicorn in human years is f(x)=-0.001518x^4+0.097326x^3-1.2367x^2+10.46x+2.914 give...

Posted by stargsd5 on March 10, 2012 at 6:06 AM via web.

Add the following : (-7.4x^2+1.8x-8.5)+(2x^2-6x+2.3)

Posted by wideopen2424 on March 10, 2012 at 5:40 AM via web.

a radioactive substance decays from 16g to 12.5 g in 5 years. What is the half life of this...

Posted by ssdixon on March 10, 2012 at 5:16 AM via web.

how can i find sin -2pie/3

Posted by danasakka on March 10, 2012 at 4:35 AM via web.

differentiate the function.y=ln(x+sqrt(x^2-7)) natural log of x plus squareroot of x squared...

Posted by mllysmith on March 10, 2012 at 3:50 AM via web.

logarithmic differentiation to find the derivative of the equationy=(sqrt(x))^(5x)

Posted by hassansabliny on March 10, 2012 at 3:47 AM via web.

Differentiate the function.y=ln((5y+1)^2/(sqrt(y^2+1))

Posted by lebstar3 on March 10, 2012 at 3:45 AM via web.

how do you write the series 3/4-1/2-3-....-81 3/4 with sigma notation? :the general term is...

Posted by ssdixon on March 10, 2012 at 3:45 AM via web.

How many terms does the series 60/121, -30/11, +15, ... + 219615/16 have?

Posted by ssdixon on March 10, 2012 at 3:42 AM via web.

What is the general term of the following series 60/121, -30/11, + 15, - ... + 219615/16.

Posted by ssdixon on March 10, 2012 at 3:40 AM via web.

A sequence tn is defined as all natural numbers that are neither perfect squares nor perfect...

Posted by ssdixon on March 10, 2012 at 3:37 AM via web.

What is the double integral of:f(x,y)=e^(x+y) when R is the area bounded by y=x+1, y=x-1, y=1-x,...

Posted by bhanbhan on March 10, 2012 at 3:18 AM via web.

How to find fluxion of f(x)=(3x^3-1)/x^3?

Posted by danadanadj on March 10, 2012 at 2:39 AM via web.

What is int^(1_0) int^(1_0) xy/(sqrt(x^2+y^2+1))?I am mostly confused about how to find the...

Posted by binghams on March 10, 2012 at 1:29 AM via web.

Weird money game...You roll a fair die either 1; 2 or 3 times. When you stop, you get the latest...

Posted by mangastream on March 9, 2012 at 9:20 PM via web.

ABC is drawn2 circumscribe a circle of radius 4cm such dat the segments BD and DC into which BC...

Posted by lee88 on March 9, 2012 at 6:52 PM via web.

What is the solution of |x^2 + 3x + 8| = 6

Posted by lxsptter on March 9, 2012 at 12:40 PM via web.

When is the value of |x^2 + 18x + 4| = |x^2 - 18x + 4|

Posted by lxsptter on March 9, 2012 at 12:37 PM via web.

2 educator answers.

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