23.
[Probability]
*
Find the probability that a customer, who was
selected at random from the survey, had a main
meal and sweets but no entree.
28.
[Area]
*
Find the area of the shaded region below.
(Use It z
272)
4em
14 em
or 0.375
3
1
8
;24.
133 em 2
29.
[Geometry]
Use one of the postulates of congruence to
find the values of x andy.
[Volume]
*
A water-wise person places a brick 12 cm by
10 cm by 25 cm inside the toilet tank. How
many liters of water will the family save each
week if the toilet is flushed 13 times per day?
[Hint: 1 L
= 1000 cm3]
273 L
30.
[Surtace Area]
I s th eralOt
y= 4
x= 3
25.
[Angles]
*
Find the value of xc.
.*
~
A rea
Suuace
sphere or a large sphere?
31.
[Pythagorean
Theorem
/ Trigonometry]
32.
[Measurement /Time]
[Problem
*
Solving
1]
4
*
If 0 < x < 1, which of the following is the
largest?
E) x'
C) x
A)~
B)1.
r
x
How many inches in 35 feet?
420 in.
27.
small sphere
Use the triangle below to calculate the value
of cos e.
3~
26.
greater for a small
HvOIume
A
[Perimeter] *
Find the perimeter of the shape below.
(Use It z 3.14)
33.
~
SOlving
2] *
A pattern of triangles is made from matches, as
shown below. To make the first triangle
required three matches, the second figure
required 9 matches. How many matches are
required for the tenth figure in this pattern?
o
-1- .-
[Problem
- - - - - - - - - -
3 yd
7yd
Figure 1
Figure 2
Figure 3
Whrte 3.7@ Copyright. Not to be reproduced Without permission. J. B. Wright - Echuca 2004
page 48