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Solve the simultaneous equations; 3x + 2y = 11 x -4y = 13

Rearrange to get either y or x as the subject of the equation and then solve the equation by doing this. This is called eliminating one variable (x or y) substitute the found value into either equation st...

Answered by Maths tutor
8780 Views

Simplify (3x+2)/(sqrt(x)-1)

-((3x+2)(1+sqrt(x)))/(1-x)

ZA
Answered by Zyra A. Maths tutor
3440 Views

Let y = (4x^2 + 3)^4. Find dy/dx.

32x(4x^2 + 3)^3

ZA
2817 Views

Write sin(4x) in terms of sin and cos.

4sinx(cosx)^3 - 4cosx(sinx)^3

ZA
3688 Views

Describe how the antagonistic muscle pairs are working at the knee during the process of kicking a ball

As a person prepares to kick a ball, their hamstrings contract which causes their knee to bend/flex. Simultaneously, their quadriceps relax and lengthen. Here, the hamstring is the the agonist and the qua...

AW
21846 Views

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