TechMath Exam 2005 - TERM 1 FINAL EXAMINATION 2005 Page 1...

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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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TERM 1 FINAL EXAMINATION 2005 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 cement-sand 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)
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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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TERM 1 FINAL EXAMINATION 2005 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.

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TechMath Exam 2005 - TERM 1 FINAL EXAMINATION 2005 Page 1...

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