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2x + y = 10 and 4y - 5x = 1, solve for x and y.

Rearrange one of the linear equations in order to have x or y written as an equation of the other. I.E 1) y =10 - 2x.Then substitute this value into the other equation: 4(10 - 2x) - 5x = 1, hence 39 = 13x...

NT
Answered by Nathan T. Maths tutor
3893 Views

Solve the equation 3^(2x+1)=1000

We can use logarithms with base 3 to solve this equation.2x+1=log310002x=log3(1000)-1x=0.5(log3(1000)-1)x=2.64

SD
Answered by Samuel D. Maths tutor
4629 Views

The shape around the oxygen atom in butan-2-ol is non linear. Predict the shape and angle of the C-O-H bond giving explanations

This bond can be described as having a non-linear or bent geometry, with a bond angle of approximately 104.5 degrees. It has this angle because the oxygen atom has 2 lone pairs and 2 bonding pairs of elec...

SD
Answered by Samuel D. Chemistry tutor
22123 Views

Integrate 6/(e^x+2) between 1 and 0

By Trapezium Rule (with 5 segments)x 0 0.2 0.4 0.6 0.8 1y 2 1.8625 1.71830 1.56981 1.41994 1.27165≈1⁄2*(0.2) [2+1.27165+ 2( 1.8625 + 1.71830 + 1.56981 + 1.41994)]≈1⁄10 *16.41283 = 1.641By Substitution/ Pa...

CH
Answered by Christopher H. Maths tutor
4009 Views

"The UK's uncodified constitution should be codified" Discuss (25 Marks)

Yes, codify the constitutionA codified constitution creates a hierarchy of laws. This allows for the enshrining of the rights of citizens protected from the government of the day and acts...

HD
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