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The diagram shows a sector ORST of a circle with centre O. OR = OT = 10.4 cm. Angle ROT = 120°. (a) Calculate the length of the arc RST of the sector (3s.f)

Before using a more complex formula it is better to know how to answer the question using a simpler method.

From the diagram we can see that this is a sector from a circle. We need to find out the ...

Answered by Maddie C. Maths tutor
3606 Views

The price of a pencil grows by 1%. What is the final crice if the initial price was £1?

1*1/100+1= 1.001

Answered by A Rin J. Maths tutor
2607 Views

What is the gradient of the graph y = 3x^2 + 5x + 2, when x is 4?

To find the gradient of the graph, we need to differentiate the equation. So if y = xn ==> the derivative dy/dx = nxn-1 This means that dy/dx = 6x + 5 for this eq...

Answered by Rishabh H. Maths tutor
5368 Views

How to plot quadratic functions, e.g. F(x)= x^2 + 2x +1

What we require to plot this graph are the following: the general shape of the graph, the intercepts with the x and y axes and the maximum point/minimum point. All functions with x2 as the high...

Answered by Alexandra S. Maths tutor
4715 Views

What is the difference between the median and the mean values for this set of data: 11, 9, 21, 6, 18, 2, 17, 8, 7.

Median: Reorder the data in numerical order, then select the value that lies directly in the middle of the data line - if there is an odd number of data, the median value is the middle number and if there...

Answered by James M. Maths tutor
2973 Views

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