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Solve the following using matrix algebra
2X+Y-Z=5
3X-2Y+2Z=-3
X-3Y-3Z=-2
-8(2×2)+3×7+(-2)
Name five different representations of mathematical ideas in the learning of
algebra.
internet on https://www.education.gov.za/Home.aspx
1.1 Counting
(a) Where in the world do we find some early evidence that people counted? (1)
(b) Approximately to what year does this evidence date back? (1)
(c) Give detail of how counting was done in the example which you chose. (2)
(c) Where in CAPS is this type of counting covered as a topic? (1)
a. Where in the world do we find some early evidence that people counted?
b. Approximately what year does this evidence date back?
c. Where in the Caps is this type of counting covered as a topic?
5 Test the following numbers for divisibility by 6, 9 and 11. (Do not divide or factorise.)
a) 6 798 340
b) 54 786 978
Determine it rounding off 34,56 to the nearest one decimal place is a nonroutine or routine question
Suppose a school has 960 learners enrolled. The ratio of the number of boys to girls is 4:8. Find the difference between the number of boys and the number of girls enrolled at the school.
A species of fish grows 1.2 cm in first year. Each year it grows by 2% more than it did the year before. Using geometric sequence find, how much does it grow in 10th year.
Draw Dienes block to show how to find solution to:
b) 102 - 45
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