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A right-angled triangle has one angle size 60 degrees, and hypotenuse of length 32cm. Calculate the length of the side opposite the 60 degree angle, to 3sf.

Firstly, we want to draw out the triangle. No matter what the question asks, just draw out all the information you're given so that you can see what the question is asking. We've been given a right angle tri...
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Answered by Benjamin R. • Maths tutor
7171 Views

A light bulb is to be put in the middle of a room defined by the coordinates (10,5), (10,25), (20, 5) and (20,25). At what coordinate should the light bulb be placed?

Firstly we should try to establish the geometry of the room, ie identify the lines in which the walls lay. Noticing that two of the points have the same x coordinate of x = 10 suggests that there must be a w...
TL
Answered by Taiwo L. • Maths tutor
3402 Views

Differentiate the function X^4 - (20/3)X^3 + 2X^2 + 7. Find the stationary points and classify.

Differentiation => 4X 3 - 20X 2 + 4XTo find the stationary points, set this differentiation = 04x (x 2 - 5x +4)4x (x-4)(x-1)x=0, x=4, x=1 are stationary points. Find the second derivative 12X 2 -40X +4. S...
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Answered by Alice H. • Maths tutor
3737 Views

Find the median, upper and lower quartiles of these numbers: 160, 390, 169, 175, 125, 420, 171, 250, 210, 258, 186, 243

Order the data:125, 160, 169, 171, 175, 186, 210, 243, 250, 258, 390, 420Find middle observation:[125, 160, 169, 171, 175, 186] | [210, 243, 250, 258, 390, 420]Median = (186 + 210)/2 = 198Find middle observa...
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Answered by Samuel L. • Maths tutor
4656 Views

A ball is released on a smooth ramp at a distance of 5 metres from the ground. Calculate its speed when it reaches the bottom of the ramp.

The ramp is smooth, so the effects of friction can be ignored. Therefore, the potential energy lost by the ball is equivalent to the kinetic energy gained by the ball. The formula for kinetic energy is 1/2 *...
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Answered by Cameron B. • Maths tutor
5352 Views