Posts by wa
Total # Posts: 15

Chemistry
ds 
Probability
no idea 
math
A bottle of cordial contains 5litres ,10% is pure fruit juice.how many litres of water must be added to dilute it to 4% fruit juice 
math
Anna starts the race 10m ahead of ping.ping runs at 20%faster tan anna`s speed.they will be level in the race after 9seconds.find average speed of anna 
math/probability
If u pick one card from each of 5different decks,what is the probability that you will pick at least one spade 
math/probability
The probability of car accident is 1in 50 in a year,what is probability in a car accident over a 5year period 
maths
Find missing number 76,47,29,18,11,7, ? 
math
Find the missing number please 1,8,27,?,125 
math
Determine the rule when gradient =2,x intercept =3 .can. anyone please explain,cause I know y intercept =c,but I don't know x intercept,thanks 
math
18s^9 t^3  2s^9 t^2 = 9 can anyone explain pleases,thanks 
math
What is 12p^7  2p^7 
math
4÷√2 = ? 
math
How to simplify (2÷m+3)+(1÷m) and how to simplify [2÷(x+1)(x+2)+3÷(x+2)(x+3)] 
maths
Mandy can get 100kg of corn cob for $160 from Matt,on condition that she buys at least 100kg.From another supplier,she can buy 100kg or less for $1/cob,or more than 100kg for $0.60/cob.she gets $5/kg of con cobs or $1.25 for an individual con cob.if she sell over 100kg today.... 
chemistry
large and small number are most easily handle when expressed in