07.11 1/2 p 5 1.a
6/5 + (-3/4)
9/20
07.11 1/2 p 7 1.f give your answer as a mixed number
-5/2-(-5/4)+(-11/3)
-4 11/12
07.11 2/2 p.3 1 c
-9/4 xx 16/3
=-12
07.11 2/2 p. 15 1.k - give your answer as a mixed number
2 4/9 xx 3/8 xx(-1 1/5)
=-1 1/10
07.11 2/2 p. 17 1.p - give your answer as a mixed number
(-3/4)^2 -:[9/2+(-2 4/5)]
=45/136
07.11 1/2 p2 1.b give your answer as a mixed number
-2 3/5 + (-1 1/4)
-3 17/20
07.11 1/2 p 8 1.g
3-(-2/7)-2 1/2
=11/14
07.11 2/2 p 5 2.b
5/12 -:(-4/3)
=-5/16
07.11 2/2 p. 15 1.l - give your answer as a mixed number
-3 1/4-:2 3/5xx(-8/15)
=2/3
07.11 2/2 p 19 2.d - Simplify and fill in the missing sign <, =, >
3 2/9 xx(-1/6)-:3/2 and 2 2/5-:(-6/7)xx5/8
-29/81 > -1 3/4
07.11 1/2 p 6 1.c - give your answer as a mixed number
-1/2+(-5/6)
-1 1/3
07.11 1/2 p 7 1.e give your answer as a mixed number
2 2/3 - (-11/5)-7/15
=4 2/5
07.11 2/2 p 4 1.f - give your answer as a mixed number
3 3/10 xx (-1 1/6)
=-3 17/20
07.11 2/2 p. 16 1.m - give your answer as a mixed number
-12/7xx(1/6-1/8)
=-1/14
07.11 2/2 p 20 2.e - Simplify and fill in the missing sign <, =, >
1/2 xx[2/3-(-5/6)] and -9/5-:[-1 2/3+(-11/15)]
3/4=3/4
07.11 1/2 p 6 1.d - Give your answer as a mixed number
-7/2-(-5/3)
-1 5/6
07.11 1/2 p 9 1.j give your answer as a mixed number
3 1/8 - (-7/4)+(-2/3)
=4 5/24
07.11 2/2 p 5 2.c - give your answer as a mixed number
-5 1/3 -: (-6/5)
= 4 4/9
07.11 2/2 p. 16 1.n - give your answer as a mixed number
-3 5/7-:[-2/5-(-5/6)]
=-8 4/7
07.11 1/2 p.16 4 a
Evaluate the following.
1/(2*3) + 1/(3*4) + 1/(4*5)+...+1/(48*49)+1/(49*50)
Please note that
1/(2*3)=1/2-1/3
1/(3*4)=1/3-1/4
1/(49*50)=1/49-1/50
1/(2*3) + 1/(3*4) + 1/(4*5)+...+1/(48*49)+1/(49*50)
1/2-1/3+1/3-1/4+1/4-1/5+...+1/48-1/49+1/49-1/50
1/2-1/50
=24/50
=12/25
07.11 1/2 p 5 1.b - give your answer as a mixed number
-1 2/5 - (- 3/4)
2 3/20
07.11 1/2 p 11 1.n give your answer as a mixed number
-1 2/3-(-2 3/4)+(-4 5/6)
=-3 3/4
07.11 2/2 p 6 2.d - give your answer as a mixed number
-4 4/9 -: 1 2/3
=-2 2/3
07.11 2/2 p. 17 1.o - give your answer as a mixed number
1 1/8xx[(-5/6)^2 -5/4]
=-5/8
07.11 2/2 p 20 2.f - Simplify and fill in the missing sign <, =, >
1 1/7xx[(3/4)^2-11/18] and -1/3-:[(-7/6)^2-2/3]
-13/14<-12/25