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Solve the next innequation: 12x-4>4x+12

First of all, we separate what is multiplying the X from what is not, 12x-4x>12+4 (don't forget the change of sign while passing from one side to another). Then we operatem 8x>16. Finally, x>16/2 th...
LA
Answered by Lucia A. • Maths tutor
4318 Views

Integrate xcos(x)

This problem will be solved using the integration by parts method, taking the integrated function as udv which answer is uv-(integration of vdu) : u=x and dv=cos(x) so, du=dx and v=sin(x). We have, xsin(x)-i...
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Answered by Lucia A. • Maths tutor
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Solve (1/2)*(4x+2)+3=8

First of all, we operate the parenthesis obtaining 2x+1+3=8. Operating then, 2x+4=8, and leaving everything that depends on x in one side, 2x=8-4 (remember to change the sign when passing from one side of th...
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Answered by Lucia A. • Maths tutor
2209 Views

What is a nucleophile and what is an electrophile?

A nucleophile is a chemical species that can donate a pair of electrons to a different chemical species (generally to an electrophile) to form a chemical bond in a reaction. They are generally negatively cha...
FS
54157 Views

What is "common law"?

Common law stems from judgements in decided cases. These decisions can either help interpret existing laws or even fill in the gaps within statutes. While they do not override statutory law, they do set a le...
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Answered by Adriana G. • Law tutor
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