Linear Algebra

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Question 48

waecmaths question: 

The temperature in a chemical plant was  –5oC at 2.00am . The temperature fell by 6oC and then rose again by 7oC. What was the final temperature?

Question 2

waecmaths question: 

$\begin{align}  &\text {Find the LCM of} \\  & {{2}^{3}}\times 3\times {{5}^{2}} \\ & 2\times {{3}^{2}}\times 5 \\ & {{2}^{2}}\times {{3}^{3}}\times 5 \\\end{align}$

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