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Explain why relations between the USA and USSR worsened in the years 1947-49.

The USA and USSR had been allies during WWII, but this relationship soon broke down and worsened in the late 1940s. One of the main reasons for this was the announcement of the Truman Doctrine in March 19...

Answered by Beatrice M. History tutor
4694 Views

If -3x + 10y = -100 and 13x + 10y = 60, solve for x and y.

This can be solved simultaneously. This is about manipulating the equations until they're in a format that you can use.Label the equations:eq1: -3x + 10y = -100 and eq2: 13x + 10y = 60Now, eq1 - eq2 gives...

Answered by Olyvia J. Maths tutor
2868 Views

One of the decays of potassium (A=40, Z=19) results in an excited argon atom with excess energy of 1.50 Mev. In order to be stable, it emits a gamma photon. What frequency and wavelength has this gamma photon?

The nucleus of the atoms are usually in excited states after performing a beta decay. By emitting a photon, the nucleus recover stability. The emitted photon has the same energy as the excess energy of th...

Answered by Marcos S. Physics tutor
2927 Views

Evaluate the view that all firms are aiming to maximise profits

Profit maximisation is an objective of a firm that seeks to produce output where Marginal Cost is equal to Marginal Revenue. Therefore, it is assumed rationally that this would be the most important objec...

Answered by Daniel D. Economics tutor
19375 Views

How do I write my personal statement?

The most important thing to bear in mind when writing a personal statement is that you should show interest in and aptitude for your chosen subject. The maximum character count is low, so make sure that e...

Answered by Alice S. Personal Statements tutor
1854 Views

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