Over a million students use our free study notes to help them with their homework
z = 3x + 5y 41 = 3(7) +5y 41= 21 + 5y 20 = 5y 4 = y y = 4 2y = 8
When we have a quadratic (ax2 + bx + c = 0) we can "complete the square" to solve for x. For example x2 + 8x + 7 = 0. First look at the x2 + 8x, in particular th...
36%= 36/100
Divide it by 2, the answer will be 18/50.
It can then be divide by 2 again and getting to the answer of 9/25.
Firstly, since only one equation is linear, substitution must be used. This will allow us to make a quadratic equation with one variable and solve for X and Y. To do this, I will make Y the subject of the...
Original Price x Percentage Multiplier = New Price
Percentage Multiplier = (100-20)/100 = 0.8
OP x 0.8 = £12
OP = £12/0.8 = £15
←
1325
1326
1327
1328
1329
→
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
