- Messages
- 63
- Reaction score
- 25
- Points
- 18
12is it 11 or 12? plz specify?
We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
Click here to Donate Now (View Announcement)
12is it 11 or 12? plz specify?
Let the radius be rMaths Paper 1 Nov Dec 2010 Q27 (c) ,my answer comes 30 but in MS its 7.5 ..Plz Explain
yes answer is 7.5....Maths Paper 1 Nov Dec 2010 Q27 (c) ,my answer comes 30 but in MS its 7.5 ..Plz Explain
ohh thanks .yes answer is 7.5....
length of the wire= length of the 3 arcs + (6r)
60 cm = ( 3 x 2 x pi x r x 40/360) + 6r
60 =( 18r x 1/9)+ 6r
8r= 60
r= 7.5
Aoa,Q. 5^0 - 5^-1 .What would be the answer ? ^it is the sign of Power
got the solution...the same thing..
share please...got the solution...
well it was a bit easy... v vl take the sector from an angle of 60 nd that will make an equilateral triangle nd then take out the arc length plus the small arcs taking theta 120 nd the radius 5 cm. same goes for the area... except u vl have to change some steps.... of course..share please...
June 2003 Q7 part a maths paper find out the surface area of the shape reply asap
which question are u referring to? coz they take cos inverse -0.2 as -0.2, but the method of doing this is taking the inverse of the alpha angle eg: cos inverse 0.2, then the alpha angle is looked, if originally it was negative, then we look in the quadrants where cos is negative (2nd and 3rd quadrant)For sums like solve cos 3x= -0.2 why do they take cos inverse as 0.2 instead of -0.2??
Now I get it thanks...my doubt is clearedwhich question are u referring to? coz they take cos inverse -0.2 as -0.2, but the method of doing this is taking the inverse of the alpha angle eg: cos inverse 0.2, then the alpha angle is looked, if originally it was negative, then we look in the quadrants where cos is negative (2nd and 3rd quadrant)
Why don't cambridge release specimen papers this year ((
View attachment 6954
look at the image u have to find the shaded surface area. therefore u can find the area of whole image and then divede by two or find one by one as done below:-
area of half cylinder = (2 x pie x r^2 )/2 + 2 x pie x r x lenght
therefore =254.5 +508.9 => 763.4
surface area of quarter sphere=( 4 x pie x r^2)/4 => pie x r^2
therefore = 508.9
now add app all areas => 508.9+763.4=> 1272.3
hope u got undertsand!!!
Have u checked ur answer with the ms because i think theres something fishy in it
For almost 10 years, the site XtremePapers has been trying very hard to serve its users.
However, we are now struggling to cover its operational costs due to unforeseen circumstances. If we helped you in any way, kindly contribute and be the part of this effort. No act of kindness, no matter how small, is ever wasted.
Click here to Donate Now