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Thanks for your help :)

Dont worry everyone, I understood it, but the working out to long

The answer is apparently (17 sqrt17)/6 units^2

1) find the exact area bounded by the parabola y=x^2 and the line y=4-x 2) find the volume of the solid formed when the curve y=(x+5)^2 is rotated about the y-axis from y=1 and y=4

lol there isn't any Pdhpe

Do u have another table like that for math Ext 1?

I see

whats the difference between unweighted and weighted raw mark

particularly to scale well for an atar of 96+?

thanks I got it

any help in these question 6. a point P is 8 cm distant from the centre of a circle of radius length 5 cm. find the length of the major arc between the points of contact of the tangents drawn from pint P to the circle 8. the minute hand of a clock is 20cm long. calculate: a) the arc...

Thank you :)

The coefficients of x^4 and x^5 in the expansion of (3 − x)^n are equal in magnitude but opposite in sign. Find the value of n answer: n=19 Thanks

Thanks heaps

1.20g of magnesium burns in air to form magnesium oxide 2Mg+O2--->2MgO If oxygen makes up 20% of the air, calculate the volume of air required for the complete combustion of the 1.20g of magnesium

Yep got it, Thx heaps everyone

yeah I basically did that but instead of a times between the two brackets I did a plus quick question, why do you times or is that something you have to do.... Thx

12. c. find the probability that 3 treadmills and 2 steppers are being used out of peak times OK, so basically in part a) it said the probability of treadmill being used out of peak times is 4/7 and there are 9 tredmills and part b) basically had steppers being used with the probability of 4/9...

18. find out how many arrangements are possible from the word STUDIO if a) any grouping of letters is allowed b) the t and d are together

Thx so simple my teacher explained it so complicated....