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Given X + 3Y = 19 and 2X - Y = 10, find X and Y

This is a simple simultaneous equationFirst we multiply the second equation by 3 to get 6X - 3Y = 30Then we add the first and second equation together to get 6X + X +3Y - 3Y = 30 + 19which we simply to 7X = ...
GV
Answered by Guillermo V. • Maths tutor
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Describe Round Robin Scheduling

Round robin scheduling is a process by which a computer can multitask. Technically a computer cannot multitask but what round robin does is it gives each task/program a very small time slice of the processor...
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The success of the civil rights movement in the years 1947 to 1957 was dependent on the NAACP [National Association for the Advancement of Colored People]? (past exam question)

There are different approaches to this question but it is important in the introduction to establish how important the NAACP was a factor but also the other factors at play, which here include the efforts of...
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Answered by Evie V. • History tutor
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The curve C has equation y = 2x^2 - 12x + 16 Find the gradient of the curve at the point P (5, 6).

The most simple way to find the gradient of a quadratic curve at a point is to differentiate. Through differentiation a function for the gradient at each value of x can be found. 'y' must be isolated on one ...
MS
Answered by Matthew S. • Maths tutor
18604 Views

Explain one economic push factor relating to voluntary migration

Individuals living an area lacking of employment opportunities may cause people to migrate looking for better work opportunities. If changing locations could drastically improve wages and work conditions, th...
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Answered by Daniel R. • Geography tutor
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