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What is the perpendicular bisector of the point (0,2) and (1,0)?

First things first it will definately be useful to make a quick sketch of the x-y axes, the two points, and roughtly what the perpendicular bisector will look like. This kind of question can be made much mor...
JR
Answered by Josh R. • Maths tutor
6959 Views

Why maths?

Maths has always been a passion of mine from a young age. I've always enjoyed helping others with their maths as I find it extremely stimulating.
LC
Answered by Lauren C. • Maths tutor
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A note was played on a a keyboard. The frequency of the note was 440 Hz. (a) What does a frequency of 440 Hz mean? (b) The sound waves produced by the keyboard travel at a speed of 340 m/s. Calculate the wavelength of the note.

(a) A frequency of 440 Hz means that a single trough and peak of the sound wave oscillates 440 times per second or equally that 440 sound waves are produced by the keyboard per second (This is because the SI...
IW
Answered by Ifan W. • Physics tutor
41318 Views

How do you solve the simultaneous equations 3x + 4y = 5 and 2x – 3y = 9

We label each equation 3x + 4y = 5 (1) 2x – 3y = 9 (2) We now want to get rid of one of the variables (x or y). Lets get rid of x: We need (1) and (2) to have the same number of x's so we multiple (1) by 2 a...
SS
Answered by Sahiti S. • Maths tutor
42021 Views

How do you find the nth term formula for a sequence with non-constant difference?

Take the sequence; 9, 12, 19, 30, ... (1) The first step is always to look at difference between the terms; 9, 12, 19, 30, ... +3, +7, +11, ... +4, +4, ... We can see the difference is not constant, (2) so w...
RS
Answered by Richard S. • Maths tutor
213164 Views