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find the derivative of the following equation: a) y = 5x^3 - 4x^-4 + xb

Ans: dy/dx = 15x^2 + 16x^-5 + b To solve for the first part of the right hand side, remember to bring the power of 3 forward and multiply, then reduce our power by 1 to leave 15x^2. For the second part, be c...
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Answered by Tutor38942 D. • Maths tutor
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Discuss the use of imagery in the poem "Medusa" by Carol Ann Duffy

Ultimately, the entire poem is an extended metaphor for a woman consumed by jealousy as she parts from her lover. Her jealousy is portrayed through the violent animalistic images of creatures the speaker is ...
HM
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How do you increase the rate of a reaction?

There are multiple ways of increasing the rate of a reaction, but overall, increasing the number of particles successful collisions will increase the rate of reaction. This can be done by increasing the temp...
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Answered by Zoe J. • Chemistry tutor
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What are qualia?

Qualia are how different mental states feel to a person who is experiencing those mental states. For example; there is a distinct difference between what it is like to view a very bright colour, and what it ...
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Answered by Hamish L. • Philosophy tutor
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how do emulsifier molecules able to produce an emulsion that is a stable mixture containing vegetable oil and water?

the emulsifier molecule has a hydrophilic "head" and a hydrophobic "tail". the head can dissolve in water and the tail can bind with the oil molecules which forms a stable suspension of o...
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Answered by Monty C. • Chemistry tutor
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