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TERM 1 FINAL EXAMINATION 2005
Page 1 of 9
Technology Maths
(MATH11160)
INSTRUCTIONS FOR STUDENTS
This examination paper comprises 66% of the total assessment
for this course.
The examination comprises twelve questions. All questions are
of equal value.
Attempt as many questions as possible. It is expected that eight
questions can be completed in the time available.
All working must be shown to gain full marks.
All answers should be written in the examination answer
booklets supplied to you.
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Page 2 of 9
Technology Maths
(MATH11160)
Question 1
(a)
Evaluate the expression, all numbers are approximate.
2
1
37466
0.03568
29.63
+
(2 Marks)
(b)
Solve the equation for
x
.
0.250(6.721 2.44 )
2.08
x

=
(2 Marks)
(c)
The time (in seconds) it takes a computer to check
n
memory cells is found by
evaluating
( )
2
2650
n
. Find the time to check 48 cells.
(1 Mark)
(d)
Fifty kilograms of a cementsand mixture is 40% sand. How many kilograms of
sand must be added for the resulting mixture to be 60% sand?
(3 Marks)
Question 2
(a)
Determine the indicated angles.
(i)
CGE
∠
(ii)
EGF
∠
(iii)
DGH
∠
(iv)
EGI
∠
(2 Marks)
TERM 1 FINAL EXAMINATION 2005
Page 3 of 9
Technology Maths
(MATH11160)
(b)
Given that
AB
= 4,
BC
= 4,
CD
= 6, and
53
ADC
∠
=
°
, find the following angle
and lengths.
(i)
ABE
∠
(ii)
AD
(iii)
BE
(iv)
AE
(4 Marks)
(c)
Two people are talking to each other on cellular phones. If the angle between
their signals at the tower is 90º, as shown in the diagram below, how far apart
are they?
(2 Marks)
Question 3
(a)
For the function
( )
2
3
4
564
t
t
h t
t

=
+
, find
( )
8.91
h
and
( )
4.91
h

. These values of
t
are approximate.
(2 Marks)
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Page 4 of 9
Technology Maths
(MATH11160)
(b)
In an experiment measuring the pressure
p
(in kPa) at a given depth of
d
(in
metres) of seawater, the results in the following table were found. Plot the graph
of
( )
p
f d
=
and from the graph determine
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This note was uploaded on 05/10/2008 for the course MATH MATH11160 taught by Professor Mcdougall during the Spring '08 term at A.T. Still University.
 Spring '08
 McDougall
 Math

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