Cause I'm studying hard for all my subjects for hsc externals, but will first place get my external hsc mark if I beat first place external mark?
So would I end up getting a lower atar or something than first place?
In terms of first place I mean in a particular subject
Like could I get a high...
What is it in terms of redox reactions
I know that the inert acts as the anode and the protecting metal is cathode
I don't understand the reaction between them...
Hello,
My school rank is around the 170s, I was wondering what ranks ill need for these subjects to get a 99+ atar
Pdhpe
Maths Ext 1
Maths
English advanced
Biology
Chemistry
Q7 a piece of meat, initially at 14 degrees is placed in a freezer whose temperature is a constant -10 degrees. After 25 seconds the meat is 11 degrees.
Find
a) the meats temperature after 5 minutes
b) when the temperature will reach -8 degrees (to the nearest minute)
2. In a set of cards, each has one of the letters A, B, C, D and E on it. If two cards are selected at random with replacement, find the probability that
a) Both cards are A's
b) One card is an A and the other is a D
c) Neither card is an A or D
Thx
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
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...
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
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...
a) how many 1,2,3 or 4 digit numbers can be made using the digits 1 to 4, with no digit allowed more than once?
Ive done this part answer is 64
b) how many numbers less than 100 can be made?
cant do this part, answer is 16
thx