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What is the difference between HTML and CSS?

HTML (Hypertext markup Language) can be thought of as the blueprint for a website. It defines the structure and content of the page in a way that can be easily understood by the browser that receives it.C...

LB
Answered by Luke B. HTML and CSS tutor
1874 Views

What is the purpose of RAM in a computer?

The main purpose of RAM (Random Access Memory) in a computer is to provide fast access to volatile memory.This memory is loaded out of the primary storage device (Hark Drive or Solid State Drive) when the...

LB
Answered by Luke B. Computing tutor
1700 Views

What is the difference between let and var when declaring variables in javascript?

Both let and var create mutable (re-assignable) variables in JavaScript. Both follow the same initalisation pattern as well:var a = 123;let a = 123;The difference between let and var comes down to somethi...

LB
Answered by Luke B. Javascript tutor
1222 Views

There are 5 girls, 6 boys and some adults in a classroom. The probability that a girl is chosen is 1/3. What is the probability of an adult being chosen?

This is a question taken straight out of an Edexcel exam paper. I think it's a good test of GCSE level probability and algebra. We don't know how many adults there are to begin with so let's say n...

JM
Answered by Jack M. Maths tutor
9118 Views

John is n years old where n is an whole number. Kim is three years younger than John and Vanessa is half of Kim's age. Write an expression for Vanessa's age in terms of n.

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