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Solve 4 + 3(2x - 5) = x + 9.

4 + 3(2x - 5) = x + 9, 3(2x - 5) = x + 5, 6x - 15 = x + 5, 5x = 20, x = 20/5, x = 4

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Answered by Megan C. Maths tutor
6286 Views

Can you please explain when I have to use each case?

  1. As we know, every noun has a gender, but that gender also has four different variations, depending on where it lands in a sentence. 2. The four cases are: nominative, genitive, dative and accusative...
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Answered by Sonja W. German tutor
1492 Views

How do I remember the common values of cosx, sinx and tanx?

To remeber the equations us SOH CAH TOA. This is Sinx = Opposite/Hypotenuse, Cos x = Adjacent/Hypotenuse and Tanx = Opposite/Adjacent. For values x=pi/3 and x=pi/6 always start by drawing an equilateral o...

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Answered by Becky L. Maths tutor
2986 Views

How do I use format python code?

You should beware of indentation in your code as indentation will affect how the code runs and can prevent you from being able to compile your code. It can also create logic errors, producing results whic...

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Answered by Charlene L. Python tutor
1560 Views

Differences between Sn1 and Sn2 reactions

--> Sn2

It is a one-step mechanism which is considered to be Sn2 where two species are involved in the rate determining step. Both species...

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Answered by Lucy S. Chemistry tutor
3964 Views

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