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Questions (14)
Calculate the heat given off when 104.1 g of copper cools from 155.0oC to 23.0oC. The specific heat capacity of copper is 0.385
5 answers
145 views
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
1 answer
2,553 views
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
2 answers
814 views
If u pick one card from each of 5different decks,what is the probability that you will pick at least one spade
1 answer
459 views
The probability of car accident is 1in 50 in a year,what is probability in a car accident over a 5year period
1 answer
414 views
Find missing number 76,47,29,18,11,7, ?
1 answer
445 views
Find the missing number please 1,8,27,?,125
1 answer
437 views
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
1 answer
607 views
18s^9 t^3 - 2s^9 t^2 = 9 can anyone explain pleases,thanks
1 answer
457 views
What is 12p^7 - 2p^7
1 answer
403 views
4÷√2 = ?
1 answer
355 views
How to simplify (2÷m+3)+(1÷m) and how to simplify [2÷(x+1)(x+2)+3÷(x+2)(x+3)]
1 answer
369 views
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
1 answer
748 views
large and small number are most easily handle when expressed in
1 answer
363 views
Answers (5)
how do you know this
a
9.375
d
no idea
