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Module 9 revision questions

Question 1 a ) Si
mp li
fy 4 x³
+ 1 2 x



2x

b) Factor
ise
3x²
48


Question 2 T h i
sh
i st
ogram show st hed
i
str
ibut
iono
f
ageso
f
empl
oyeesi
na

c ompany:







a) How…

Page 2

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a) Cal
culat
e t
he
capacit
y of
glass
B.
b) The
capaci
ty
of
glass
C
is
1 l
i
tre.
C al
cul
ate
the
hei
ght
of
gl
ass
C .



Question 5 A pa rt
yh
a t
i
si
nt
hes
ha peo
f…

Page 3

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T he
diagram l
e ft
shows part
o f
the r
oof.


T hep
laneB
C Di
s hori
zon t
al
a ndt hel
i
ne
A D i
s ver
ti
cal.


M i
s t
he midp oint
of
BC .


a) C al
cula t…

Page 4

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b) Theh
ist
ogr
am bel
ows
howst hed
i
str
ibut
iono
f
t
hea
geso
f
200p
eopl
ei

n
t
he ci
nema
on
another
day.







Ma ke
two comme n t
s comp ari
ng t
he t
w o
d i
str
ibut
ions.



Question…

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