Over a million students use our free study notes to help them with their homework
the lenght of ladder is contant. when it is in the middle of sliding, it make a right angle triangle with the floor and wall, hence (the lenght of the ladder£^2 equal to (the lenght of floor to one en...
A function is a notion somewhat abstract to the non-experienced reader, but can be explained as follows:
You have a domain - that is a set, e.g. the set of all yellow birds. You also have...
Take the example 2x2 + 7x + 3 = 0
1. To factorise we need to use the general equation 'ax + bx - c = 0' where in our case a = 2 b =7 c=3.
2. First we need to mulitply the ...
Internet Safety
Payment Security
Cyber
Essentials
Comprehensive K-12 personalized learning
Immersive learning for 25 languages
Trusted tutors for 300 subjects
35,000 worksheets, games, and lesson plans
Adaptive learning for English vocabulary
Fast and accurate language certification
Essential reference for synonyms and antonyms
Comprehensive resource for word definitions and usage
Spanish-English dictionary, translator, and learning resources
French-English dictionary, translator, and learning
Diccionario ingles-espanol, traductor y sitio de apremdizaje
Fun educational games for kids
