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Make x the subject of, 4(x+1)/(x+2) = y

The fundamental rule to keep in the back of your head is 'whatever happens to one side must happen to the other'. This way we can be sure that whatever is on the left hand side of the equals sign will be the...
JW
Answered by Jack W. Maths tutor
5062 Views

Solve the equation 3x + 1 = 4x - 2

In order to tackle this equation, we have to keep in mind that whatever we do to one side of the equation we have to do to the other. Our aim is going to be to get all of the x's together on one side of the ...
CW
Answered by Codie W. Maths tutor
8876 Views

Assuming 100% yield, calculate the maximum volume of ammonia that could be produced from 1200dm3 of hydrogen, measured at room temp and pressure.

Okay so first always write out the equation...N 2 (g) + 3H 2 (g) ⇌ 2NH 3 (g)Now we need to ask ourselves what equations we know are relevant to the question. The question gives us a volume and states the con...
EB
Answered by Emma B. Chemistry tutor
8002 Views

How do I know which cases follow which prepositions of motion?

Unlike Latin, Classical Greek has more concrete rules on which cases govern which prepositions of motion. When dealing with motion towards (e.g. εἰς/προς - into/towards), the accusative case is used. Hence G...
JH
2506 Views

ABC and BCD are two attached triangles, attached along line BC. AB = 5.8cm, AC=5.2cm, BD=4.3cm. Angle BDC = 30 degrees, and angle DCB is a right angle. Calculate angle CBA.

This question teaches the importance of drawing diagrams to figure out what a question is asking, as well as deeply testing how well the student understands trigonometry and equation rearrangement, combining...
CS
Answered by Charles S. Maths tutor
6757 Views