Over a million students use our free study notes to help them with their homework
24.5 Divided by 7 = 3.5.63-24.5= 38.538.5 Divided by 3.5 = 11
Ok so this is a typical exam questions worth around 3-4 marks depending on which exam board you are sitting with.To start solving this problem, we are looking for 2 to the power of "something" -...
x² + 4x -16 = 0 (x+2)² -20 = 0 We note that the coefficient of x2 is 1 and the coefficient of x is 4. Therefore we say the that square is (x+2). This leaves us with an additional 4 from this ex...
An arrangement is a permutation when we care about the order of the elements in it, and a combination when we do not. So if we are for example choosing a group of 3 people from 10 students, we do not care...
We add probabilities when the corresponding events are alternatives, e.g. P(rolling a 4 on a pair of dice) = P(rolling a 1 and a 3) + P(rolling a 2 and a 2). These are mutually exclusive events which can'...
←
38
39
40
41
42
→
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
