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Given the points P(-1,1) and S(2,2), give the equation of the line passing through P and perpendicular to PS.

First, we can find the slope of the line PS , with the help of the formula m = (y 2 - y 1 )/(x 2 - x 1 ) or if we substitute for the given points m PS = (2 - 1)/(2 - (-1)) = (-1)/(3)= -1/3. Since the line l ...
KS
Answered by Kalina S. • Maths tutor
3471 Views

How to I know all of my set works?

The safest way to enter into an A-Level music exam is less about 'knowing' your set works off-by-heart but instead about being aware of the 'key points' and overall structure of your pieces and their context...
AN
Answered by Anna N. • Music tutor
3573 Views

Salika travels to school by train every day. The probability that her train will be late on any day is 0.3. If salika is late on 4 consecutive days she gets a detention. what is the probability she will get a detention during a week?

we would draw a tree diagram to show this. 4 consecutive days means everyday except friday, or everyday except monday. this would be 2(0.3x0.3x0.3x0.3x0.7)
EC
Answered by Emma C. • Maths tutor
4718 Views

How do I complete an essay using the 'key terms' without it sounding repetitive?

The short answer here is, 'you can't'. GCSE and A-Level markers will look for continued acknowledgement of the question and so you must use the 'key words' to conclude all of your relevant answer material. I...
AN
4101 Views

Evaluate the view that religion has declined in contemporary society

Religion has declined in modern society because it has been overtaken in importance by institutions such as science and technology. Bruce argues with the theory of technological worldview that science and te...
LM
Answered by Lucy M. • Sociology tutor
15837 Views