1st topic djkcksdc 0.0 / 5 ? Mathematicsrevision for a lotGCSEAQA Created by: indiaradCreated on: 07-10-14 18:15 whats the method to work out 30% of 90 0.30 x 90= 27 or calculator 90x30% 1 of 10 work out percentage increase of $60 by 8% 0.80x60=4.8 +60= $64.80 2 of 10 work out percentage decrease of $80 by 11% 0.11x80=8.8 then 80-8.8=$71.20 3 of 10 square 9 81 4 of 10 name 3 prime numbers 2, 3, 5, 11, 13, 17, 19 5 of 10 How many faces are there in a square pyramid? 5 6 of 10 exterior angles, how do you work them out? count the triangles(corners-2) divide by 180 7 of 10 what do Interior Angles of a Triangle add up to? 180° 8 of 10 6ax7a=? 42a 9 of 10 expand and simplify 4(a+2)=3(a+4) 4a+6=3a+12 then 7a+6=12 then 7a=2 then a=7÷2=3.5A=3.5 10 of 10
Comments
No comments have yet been made