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What is (x-5)^2

Separate the square: (x-5)2 = (x-5)(x-5)multiply the variables: x2multiply the numbers: -5 x -5 = 25multiply a variable and a number: -5xtimes this value by two: -10xsum all answers:...

Answered by Matthew B. Maths tutor
2575 Views

How effective are coastal management schemes at protecting coastlines?

There are various different management schemes for protecting coastlines, which fall into two main catagories hard and soft engineering. Both of these can be effective but they have their advantages and d...

Answered by Sarah K. Geography tutor
15008 Views

Explore the way in which the poets Sylvia Plath and Ted Hughes depict the theme of death in their work.

Both Ted Hughes and Sylvia Plath depict a sense of transition that comes with death, suggesting that the dead being becomes changed when viewed in death. However, while Hughes, in his poem ‘View of a Pig’...

Answered by Eliza J. English Literature tutor
6625 Views

What is an inverse function?

An inverse function essentially gives us the opposite output for the same input of a function and cab be graphically represented as a reflection on the y=x axis.To find algebraically the inverse of a func...

Answered by Leo S. Maths tutor
2434 Views

A curve has equation y = 7 - 2x^5. a) Find dy/dx. b) Find an equation for the tangent to the curve at the point where x=1.

a) The derivative dy/dx of the equation is: dy/dx = -10x4. If you don't remember this, revise Power Rule for derivatives.b) The equation of a line is given by y = mx + q. To find the tangent li...

Answered by Gianpiero C. Maths tutor
5140 Views

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