Search results

Hey there! Does anyone know where to find any 2017 chem Trial papers? Thanks

Is proof by contradiction an okay to show an inequality statement is true? Or should you try other ways first?

Quick questions guys. Say for ancient history in section II i need more paper and I get another booklet, and then i also need more paper for Scetion III, would i use the same extra booklet as before or do you have to get a new one?

school rank in 2016: 397 ancient: rank 1/5 with an average mark of 90% 3u maths: rank 1/8. average mark: 76% 4u maths: rank 1/2 average mark: 74% chemistry: rank 1/20. average mark: 73% advanced English: 1/20ish. average mark: 88%

if I have 25 ml of 1.0 M NaOH, and I add 225ml of distilled water to that, does that mean I now have a 250 ml of 0.1M solution NaOH?

hey guys, so I have a titration prac this week and the only thing we got told it was on was that it would be cordial. from this, I'm assuming that it would be citric acid. So when i'm setting it up, do i rinse the concial flask and pipette with distilled water or with the acid solution...

Sand is poured into a pile in the shape of a right circular cone whose height is always equal to the radius of the base, at a constant rate of 4 cubic centimeters per minute. When the pile is 10cm high, how fast is: i ) the height increasing ii) the area of the base increasing

Nine persons gather to play football by forming two teams of four to play each other, the remaining person acts as referee. if 2 particular people are not to be in the same team, how many ways are there to choose the teams?

the length and breadth of the base of a rectangular pyramid are a and b units respectively. its height is h units. use the methods of slicing to find its volume

1. in the expansion of (2 +3x)^n, the coefficients of x^3 and x^4 are in the ratio 8:15. Find n 2. in the expansion of (x+a)^3(x+b)^5, the coefficients of x^7 and x^6 are 9 and 12 respectively. Find the values of a and b.

A and B take turns at throwing two dice, and a prize is won by the first player to throw a total of 8. A throws first. i) What is the probability that A wins on his second throw? ii) Show that the probability that A wins the prize is 36/67

so i have two tangents, and I have to find the point of intersection but i cant get anywhere when i do it tangents: y(3cosx)-x(2sinx)=6 and y(3sinx) +x(2cosx)=6

1. At what angle should a particle be projected with a velocity of 50m/s to pass through a point 22.5m horizontally from and 11.25m vertically above the point of projection. Find the angle of projection and the speed of projection. 2. a stone is projected from a cliff with a speed of 30 m/s...

hey guys. I'm having trouble with this topic, so could you pls explain your steps as you go the velocity of a particle is given by v=1/(15x^2) m/s and the particle is initially at the origin. find it's displacement after 4 seconds to 2.d.p

Find the general solutions to: a). cos4x +cos2x = 1 b). cos3x= cosx any help would be good !

Hey Guys So i currently do extension 1 and 2 maths at high school and I've kinda been considering doing actuary at uni, but i was wondering, what kind of maths does it involve? And what maths should you be particularly good at in high school to help with this course thanks!!

so I'm trying to brainstorm some ideas for creative stories and I'm trying to think of a story where something is rediscovered, but idk what to rediscover. any ideas would be great pls

Hey there guys Has anyone here used the film Gattaca as a related text for Brave New World? Either way, could you guys give some useful tips on how they link up a bit?

ok guys i have a few questions I'm stuck on Sorry that theres so many haha