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Solve the simultaneous equations, 2x-3y=14 and 3x+4y=4

When asked to solve we have to find the value of x and the value of y , as they are simultaneous equations we know the value of y in equation 1 and equation 2 are the same and this is also the same for when ...
SB
Answered by Shireen B. • Maths tutor
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Evaluate the integral of cos(x)sin(x)(1+ sin(x))^3 with respect to x.

Substitution of 'u=1+sin(x)' is required.Differentiating this with respect to x gives cos(x)... therefore du=1/cos(x) dxmultiplying that through leaves the integral of sin(x)(1+sin(x))^3 which therefore can ...
Answered by • Maths tutor
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What is/what is the difference between, transcription and translation?

Transcription is the process of of copying DNA information from a DNA strand, to form an mRNA, that can later be used to produce a protein in translation. Transcription will involve the double helix of DNA o...
TP
Answered by Tasneem P. • Biology tutor
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Why does water have a higher boiling point than methane?

Methane has van der Waal's forces between molecules whereas water has hydrogen bonds between molecules. Hydrogen bonds are stronger than Van Der Waal's forces and therefore require more energy to be broken.
Answered by • Chemistry tutor
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Explain how a mutation in the gene coding for an enzyme could lead to the production of a non-functional enzyme.

The base sequence changes so the amino acid sequence changes therefore leading to a change in the types and location of bond formation thus a change in the tertiary structure occurs. This prevents the enzyme...
Answered by • Biology tutor
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