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Solve the simultaneous equations: 3y + 2x = 10, 4x - y + 3 = 2

The first step whenever you are given an equation is to group like terms. By this I mean put all the terms with the same letter next to it together and, in this case, the numbers without a letter. For the eq...
TM
Answered by Tom M. • Maths tutor
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Explain the process of sand casting

Place the mould(s) within the drag & fill with casting sand (compact well) Turn the drag over & place the cope over the drag. Place sprue pins on the bottom of the mould(s) and fill the cope with san...
JH
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Outline the effects of temperature, light intensity and carbon dioxide concentration on the rate of photosynthesis in plants.

Increases in temperature increase the rate of the photosynthesis reaction by providing energy, this is accurate up to a point where enzymes denature meaning they go through irreversible physical changes and ...
BD
Answered by Bilge D. • Biology tutor
3442 Views

Explain why there may be a conflict between unemployment and inflation

If the unemployment in the economy is demand deficient unemployment (Keynesian unemployment), the government needs to stimulate growth in the economy and increase aggregate demand as there is a lack of deman...
JH
3263 Views

What is the area enclosed by the functions x^2 and sqrt(x)?

First, let's see how the plot of the functions looks like (draw on whiteboard). Next, let's calculate where the functions intersect by setting x 2 = sqrt(x) and solving for x (manipulate by squaring both sid...
Answered by • Maths tutor
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