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What is the reaction force? (eg from the ground or table)

The reaction force is the force that the table exerts on an object which is pressing on it. The reason there is a reaction force is because the table is made of atoms and you can imagine these atoms been con...
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Answered by Nick W. • Physics tutor
4798 Views

Solve the simultaneous equations..... 3x - y + 3 = 11 & 2x^2 + y^2 + 3 = 102 where X and Y are both positive integers.

Here we have two equations with two unknowns, the method we use to solve this is substitution. First, find one of the unknowns in terms of the other by rearranging the first equation to arrive at y = 3x - 8,...
RW
Answered by Reuben W. • Maths tutor
3968 Views

What does the Blake mouton grid represent?

This diagram refers to the management styles, in accordance to the concern for task compared to concern for people. Therefore this refers to whether the manager is task orientated, if the work is more import...
KD
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Solve the simultaneous equations y = x^2 - 6x and 2y + x - 6 = 0

Rearrange the second equation in terms of y: meaning that the equation is of the form y = ....-this will give y = 3 - x/2You may now substitute the y in the left hand equation with what y in the right hand e...
TD
Answered by Tabi D. • Maths tutor
7725 Views

Express (4x)/(x^2-9) - (2)/(x+3) as a single fraction in its simplest form.

First we must expand the demoninator to; (x+3)(x-3)Then we can multiply the left hand fraction on top and bottom by (x-3) to get a common demoninatorthis gives us; (4x)/((x+3)(x-3)) - ((2)(x-3))/((x+3)(x-3))...
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Answered by Eddie E. • Maths tutor
4513 Views