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Solve the simultaneous equations: y=x^2 + 3x + 7 and y=x + 10

x= -3 and 1y= 7 and 11
US
Answered by Usmaan S. • Maths tutor
3830 Views

Explain, in terms of particles, why the rate decreases during the reaction between magnesium and hydrochloric acid.

There are 2 ideas that need to be included here :The concentration of acid decreases over time So collisions are less frequentAs the reaction proceeds more and more molecules would have collided successfully...
SM
12049 Views

Describe how the opening of Stravinsky’s 'Symphony of Psalms Movement III' sets a religious atmosphere within a secular symphonic genre

Stravinsky was commissioned to compose Symphony of Psalms by Serge Koussevitsky for the 50 th anniversary of the Boston Symphony Orchestra (1930). Although adhering to the formal design of a secular genre (t...
PP
Answered by Phoebe P. • Music tutor
4328 Views

In 'A Streetcar Named Desire' there is not just one tragic hero. Stanley is just as much of a tragic hero as Blanche.' Discuss.

For an essay question like this, I would consider both sides of the statement and make around three main points. The main focus of the statement is the concept of the tragic hero, so the student should consi...
DM
7647 Views

Which was the more important cause of the development of the Cold War after 1945: - The Truman Doctrine, 1947 or -the formation of NATO, 1949?

The Truman Doctrine was a clear opposition towards communism and many historians regard it as the defining moment of when the Cold War began. In February 1947 Britain could no longer aid Greece against the C...
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Answered by Angharad D. • History tutor
5623 Views