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Questions and answers by
StuartKess
Questions (19)
1. When 20cm^3 of a gaseous Allene burns in an excess of oxygen, 60cm^3 of carbon dioxide are formed. Both volumes are measures
1 answer
1,164 views
1. What does 'the time taken to reach completion decreases if 20cm^3 of hcl containing 4mol/dm^3' means? How to work out to find
1 answer
816 views
The braking distance of a car is directly proportional to te square of it's speed.
When the speed is p metres per second, the
2 answers
2,557 views
Banana bought 3 companies for
A :$20000000 B : $250000000 G : $350000000 He made a profit of $(9.6x10^6) when he sold the
2 answers
564 views
A piece of rope is cut into three pieces in the ratio 2:7:11. If the longest piece is 72cm longer than the shortest piece, find
3 answers
605 views
Why during melting, particles gain energy and vibrate more, until they are able to overcome the forces that hold them in their
1 answer
903 views
Hi. Is there any ways that I can post the questions up here using pictures? As some of the questions requires diagrams to be
2 answers
1,221 views
Aqueous potassium sulfate can be prepared by titrating dilute sulfuric acid against aqueous potassium carbonate. What conclusion
2 answers
1,253 views
Apples are sold in cartons of 25. David bought home 2 cartons an found 3 rotten apples in the first carton. There were thrice as
1 answer
587 views
Machine A pack = 7200/p boxes of cookies
Machine B pack = 7200/p+2.60 boxes of cookies Machine A can pack 1560 more boxes of
1 answer
610 views
Calcium carbonate is insoluble in water. Name two substances that when mixed in solution, will form a precipitate of calcium
2 answers
1,614 views
Factorise 4ysquare +24y+36
1 answer
472 views
Number of goals : 0, 1,2,3,4,5
Number of matches : 7,x,5,3,1,4 (a) if the mean number is more than 2, find the largest possible
3 answers
792 views
m is inversely proportional to n^2, where m and n are positive numbers. If m is increased by 1500% , find the percentage change
1 answer
452 views
(i) Solve the equation 3y^2-5y-2=0
(ii) hence, solve the equation, 3(1/x-1)^2 -5(1/x-1)-2=0
2 answers
407 views
S is directly proportional to M^3. It is given that S=36 for a certain value of M. Find the value of S when this value of M is
(a
1 answer
1,007 views
Given 4w = 5x and 2x = 3G , find the ratio w:x:y
5 answers
337 views
What is the smallest positive integer value n, for which 2700n is a multiple of 35?
1 answer
422 views
Mr smith flight took off at Vancouver at local time 1335. The flight was bounded for Sydney via hongkong. After 16.5h flight, mr
2 answers
503 views
Answers (7)
Why 72 + 2x = 11x ? Would you be able to list some of the common sentences for forming this type of equations? Thanks!! :)))
Thanks!!! :) is there any shorter ways? :)))
Alright and thanks!
THANKS ! :D
Yes!! Aww thanks!! Sorry for the confusion I've made. Yes it's 3Y
Oops! Sorry! 3G I mean.. Thanks!
How do I get 13:36 ?
