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x^2 +y^2 =25, y – 3x = 13 - Simultaneous Equations (June 2017)

x = -4.8x = -3

AU
Answered by Angelo U. Maths tutor
2901 Views

4x+2y=22, (y/2)+(x/4)=2.5

x=4,y=3

IL
Answered by Ieuan L. Maths tutor
2937 Views

2 chocolates weight 250g, there are 220 calories in 100g of chocolate. How many calories are in one chocolate?

275 Calories

IL
Answered by Ieuan L. Maths tutor
4427 Views

What’s the difference between mitosis and meiosis?

Mitosis is a type of cell division in which a cell divides to form two cells that are genetically identical to the original cell and each other. During the cell cycle, the cell’s amount of genetic materia...

RD
Answered by Rebecca D. Biology tutor
3381 Views

Explain why graphite conducts electricity

Carbon is the atom that makes up graphite. Carbon is in group 4 of the periodic table, this means that Carbon has 4 electrons in its outer shell. In graphite each Carbon atom forms three covalent bonds, t...

FD
Answered by Fiona D. Chemistry tutor
8228 Views

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