Maths Paper 4 HELPP!!

[shalala]

http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w11_qp_43.pdf

^can anyone solve
Question 10
part d i and ii Please.



and how to convert time in points to hours and minutes
for example10.88 is how many hours and minutes??

 

[MTH]

You would have the triangle on the graph. Then take all the co-ordinate points of 3 corners of the triangle to solve the equation.

For the time's question, you have to divide 0.88 by 60 (as 1 hr has 60 mins) and no need to do anything with 10

 

[shalala]

You would have the triangle on the graph. Then take all the co-ordinate points of 3 corners of the triangle to solve the equation.

For the time's question, you have to divide 0.88 by 60 (as 1 hr has 60 mins) and no need to do anything with 10

solve which equation? 2x+y>20 ?

for example if co-ordinates are (3 ,2) (3,40 (3,5). Do we put these in that equation and see the lowest value???

 

[mrnt3250]

Nah, you don't have to use any equations in part d)!
After drawing the triangle, you have the wanted region, and then you have to choose points which are close to the vertexes, and then they will give you the maximum and minimum possible range of values.
And finally, by looking to the question and the price of each book (x or y) you have to decide to chose the suitable point.

 

[kareem]

http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w11_qp_43.pdf

^can anyone solve
Question 10
part d i and ii Please.



and how to convert time in points to hours and minutes
for example10.88 is how many hours and minutes??

d(i) just look at graph and look at how many cars for example at x axis and how many trucks at y axis for each vertices
to convert a decimal like 0.5 to minutes multiply it by 60 10.88 would be 10 hours and (0.88*60) mins

 

[shalala]

You all are confusing me :/
Who should I listen to??