Exam (elaborations)
QMI1500 EXAM PARK 2023
- Institution
- University Of South Africa (Unisa)
EXAM PARK CAN ASSIST YOU DURING PREPARATIONS INCLUDING ALL SOLUTIONS.
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Started on Tuesday, 19 July 2022, 9:12 PMState Finished
Completed on Wednesday, 20 July 2022, 7:02 PM
Time taken 21 hours 50 mins
Marks 12.00/20.00
Grade 60.00 out of 100.00
Question 1
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Question text
Solving
(−49÷7×3(−8))÷4+(6×3)−21÷3(−49÷7×3(−8))÷4+(6×3)−21÷3
gives
a.
25
b.
13
c.
53
d.
67
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The correct answer is:
53
Question 2
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Question text
The correct mathematical equation for
The monthly consumption, W, of a household is 237 litersThe monthly consumptio
n, W, of a household is 237 liters
with an additional monthly free water usage of 1200 liters.with an additional mont
hly free water usage of 1200 liters.
The water−the household consumed for l monthsThe water−the household consum
ed for l months is given by
a.
l=237+1200Wl=237+1200W
b.
l=237W+1200l=237W+1200
c.
W=237+1200lW=237+1200l
d.
W=237l+1200W=237l+1200
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The correct answer is:
W=237l+1200W=237l+1200
Question 3
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Question text
Below are five statements and five fractions:
, Information table
Statements Fractions
A. A reciprocal of 563563 written as mixed fraction. 1. 3232
B. A fraction with a denominator of 176 that is equivalent to 311311. 2. 2323
C. 16√427√3164273 written as a proper fraction. 3. 3030
D. 525÷185525÷185 written as an improper fraction. 4. 12351235
E. A cube-root of 3.375 expressed as a common fraction in simplest form. 5. 4817648176
Some of the statements may refer to the same fraction, therefore, a fraction can be used
more than once. Match each statement with the correct fraction. Choose the correct
option:
a.
A: 4; B: 5; C: 2; D: 1; E: 1
b.
A: 2; B: 4; C: 5; D: 5; E: 4
c.
A: 2; B: 4; C: 5; D: 3; E: 2
d.
A: 4; B: 5; C: 4; D: 5; E: 2
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The correct answer is:
A: 4; B: 5; C: 2; D: 1; E: 1
Question 4
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Question text
Simplifying
3x2y32xy2+4xy÷6x2y5y2+4y+43x2y32xy2+4xy÷6x2y5y2+4y+4
gives
a.
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