Over a million students use our free study notes to help them with their homework
y=x(x−1)y= x^2-xdy/dx= 2x-1
Atoms of the same element with different numbers of neutrons
The movement of molecules against their concentration gradient (low concentration to high concentration), across a membrane using energy.
Example solve the following, equation 1: x2+2y=9 equation 2: y=x+3In this example we have to use substitution, therefore we sub in equation 2 into 1 to get the following x2+2(x+3)=9 ...
2^6 = 64 (2x2x2x2x2x2)6^2= 36 (6x6) 64+36= 100Square root of 100= 10 (10x10=100)
←
2398
2399
2400
2401
2402
→
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