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Solve the simultaneous equations 3x +y =11 and 2x+y=8

Equation 1: 3x+y= 11, Equation 2: 2x+y=8. You want to find out what x is and what y is.In both equations there is only 1 unit of y therefore it is easiest to rearrange the first equation so that it equals y ...
KM
Answered by Kathryn M. • Maths tutor
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Outline and Evaluate the Marxist Role of Education

Intro - outline what Marxism is generally with general criticismsParagraph One - Althusser and ISAs, criticise with PostmodernismParagraph Two - Bowles and Gintis Hidden Curriculum, criticise with functional...
TD
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White paint costs £2.80 per litre and blue paint costs £3.50 per litre. White and blue paint are mixed in the ratio 3 : 2. How much does it cost to make 18 litres of this mixture?

18/(3+2)=3.63x3.6=10.8 2x3.6=7.210.8x2.8=30.247.2x3.5=25.230.24+25.2=55.44
DC
Answered by David C. • Maths tutor
3711 Views

Solve the simultaneous equations: y-2x-4=0, 4x^2+y^2+20x=0

Re-arrange y-2x-4=0 to y=2x+4Substitute y=2x+4 into 4x^2+y^2+20x=0 to get 4x^2+(2x+4)^2+20x=0Expand the brackets to get 4x^2+(4x^2+16x+16)+20x=0Simplify to get 8x^2+36x+16=0Divide by 4 to get 2x^2+9x+4=0Fact...
AH
Answered by Andrew H. • Maths tutor
8313 Views

Determine the Michaelis-Menten constant from a graph. Compare the affinities of two enzymes that have different Km values. Explain how a competitive inhibitor works and influence Km and Vmax values.

(a) First of all, we have to determine V max by using the graph provided. Try drawing a straight line parallel to the x-axis that is very close to the graph and almost seems to touch it. This is called an as...
NE
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