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Describe two features of the October Manifesto (6 marks) (IGCSE)

One feature of the October Manifesto was that it enabled the Tsar to survive the revolution of 1905. This is because Nicholas II showed that he was prepared to make concessions by introducing reforms whic...

MG
Answered by Mary G. History tutor
7393 Views

Solve the simultaneous equations: 6x - 5y = 17, 3x + 8y = 10

First, you will need to make one of the variables x or y have the same number in front. To do this just multiply the equation by a constant which will give you lets say the x value in this equation with t...

JS
Answered by Jagjit S. Maths tutor
3842 Views

Describe the part played by each of the organelles involved in the production and secretion of the enzymes.

  1. The Nucleus contains the DNA code for the amino acid sequence (2)
    3. The Nucleolus makes rRNA (4)
    5. The Ribosomes translate mRna in protein synthesis
    6. The endoplasmic reticulum all...
AM
Answered by Aoife M. Biology tutor
2662 Views

Prove that the square of an odd number is always 1 more than a multiple of 4.

First we consider how to represent an odd number. We know that any even number can be represented as 2k for some integer k since, by definition, all even numbers are multiples of 2. We also know that all ...

JL
Answered by Josh L. Maths tutor
7605 Views

We have 2 spinners: spinner A and spinner B. Spinner A can land on 2, 3, 5 or 7. Spinner B can land on 2, 3, 4, 5 or 6. Spin both. Win if one spinner lands on odd and the other lands on even. Play game twice, what is the probability of winning both games?

P(win 2 out of 2 games) = P(win first game and win second game) = P(win first game)^2. So want to find the probability of winning a game.To win, either we need A odd and B even or we need A even and B odd...

HC
Answered by Henry C. Maths tutor
6930 Views

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