A bacteria culture contains 100 cells and grows at a rate proportional to its size. After one hour the population has increased
1 answer:
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Width of the rectangle is 12m
<u>Explanation:</u>
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Area of rectangle = 44m
height =
area of rectangle = length X breadth
Therefore, width of the rectangle is 12m
Answer:
A) Quantity x minus 5 over quantity x plus 1, where x≠-1 and x≠-9
Step-by-step explanation:
Simplifying the numerator first:
x² + 4x - 45 using the quadratic formula you get;
(x - 5)(x + 9)
Then simplifying the denominator x² + 10x + 9 using a quadratic formula you get;
(x + 1)(x + 9)
Dividing the numerator and denominator now gives;
Cancelling (x + 9) throughout leaves you with;
The only restrictions here is if x = 1 and 9 which will give an undefined answer.