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How important were the developments in free-standing Greek sculpture from 600 to 480 BC? (30 marks)

The question refers to the sculptures bridging the gap between the archaic and classical periods. The key to this question is to bring in examples of both male and female free-standing sculpture fitting t...

KJ
2165 Views

BeCl2 has a linear shape with a bond angle of 180 degrees, where as H2O has a bent shape with a bond angle of 104.5 degrees. Explain why these molecules have different shapes despite having the same general formula of AB2.

BeCl2 contains 2 bonding pairs of electrons which arrange themselves as far away as possible to minimise the electron repulsion between them, giving a bond angle of 180 degrees and a linear shape. H2O als...

SR
Answered by Sam R. Chemistry tutor
38755 Views

find the coordinates of the turning points of the curve y = 2x^4-4x^3+3, and determine the nature of these points

To begin, we must first use the fact that turning points of a graph occur at points where the gradient is equal to zero, in other words, points where dy/dx =0. Differentiating the equation with and settin...

JN
Answered by Jenny N. Maths tutor
7241 Views

The equation kx^2 + 4x + (5 – k) = 0, where k is a constant, has 2 different real solutions for x. Show that k satisfies k^2-5k+4>0.

This questions is a proof type question, which means that you need to get to a specific formula. Usually, these questions give you clues in order to prove it. In this case it tells you that the equation h...

AG
Answered by Alin G. Maths tutor
16782 Views

how do you know when to use a direct or an indirect object pronoun?

Direct object pronouns: me, te, le, la, nous, vous, les me, you, him, her, us, you (pl), themIndirect object pronouns: me, te, lui, nous, vous, leur to me, to you, to him/her, to us, to you (pl), to themO...

LS
Answered by Lauren S. French tutor
1645 Views

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