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A right angled triangle has 2 known sides measuring 3 meters, 4 meters respectively. Find the hypotenuse and the smallest angle in the triangle.

This is an example of a pythagoras. The student has to use the knowledge that the hypotenuse (longest side) is the square root of the sum of the squares of the known sides. In this instance, it would be 4^2 ...
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Answered by Zara M. • Maths tutor
5622 Views

Find x and y when 3x + 4y = 27 and x + 2y = 11

Use the elimination method to remove a common coefficient. Multiply one of the equations to find a common coefficient, eg multiply the second equation by 2 to get 2x + 4y = 22, to reach the common coefficien...
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Answered by Eleanor S. • Maths tutor
7069 Views

The line AB has equation 3x +5y = 7 . Find the gradient of AB.

Firstly, you should change the equation into the form y=mx+c where m is the gradient and c is the y-intercept. This can be done by subtracting 3x from each side of the equation to give 5y=-3x+7. Then dividin...
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Answered by Conal G. • Maths tutor
8487 Views

Describe the tonality and instrumentation in Jeff Buckley's song Grace.

Grace includes a classic band, where Buckley's vocals are accompanied by a guitar and bass guitar, drums and synthesized string. Many techniques are used on the instruments to create various effects. For exa...
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Answered by Hannah L. • Music tutor
8681 Views

Explain the similarities and differences between aerobic and anaerobic respiration

The similarities between aerobic and anaerobic respiration, is that they both use glucose as the starting molecule. This is called the substrate. In addition, both aerobic and anaerobic respiration produce A...
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Answered by Suraiyya J. • Biology tutor
94051 Views