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frutty [35]
2 years ago
9

How to solve Question 3(c)?

Mathematics
1 answer:
BARSIC [14]2 years ago
7 0
From your work on parts (a) and (b), you know that
.. r = 3.50
.. s = 140
The composite index of production cost from 2007 to 2009 is 114.2.

(c) If the production cost in 2007 was RM50, then in 2011 it was
.. RM50 * (2009 index) * (2011 index) = RM50 * 1.142 * 1.200 = RM68.52
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Which inequality statement best represents the graph?
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Answer:

f(x) < –x2 + x – 1

Step-by-step explanation:

The graph is going down so we know that there is a maximum, therefore the A value has to be negative. This rules out f(x) < x2 + x – 1 and f(x) > x2 + x – 1 . The shaded area of the graph is below which indicates that f(x) has to be less than the function. This means the correct answer is f(x) < –x2 + x – 1 .

7 0
3 years ago
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The diameter of a circle is 6.8 m. Find the circumference to the nearest tenth<br>​
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Answer:

21.4m

Step-by-step explanation:

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2 years ago
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Answer:

f(x) = (8/3)x(x - 1).

Step-by-step explanation:

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3 f(x) = 8(x - 1/2)^2 - 2

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netineya [11]

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use the order of operations

5 (3) 2 + 3 + 11. solve within parenthesis

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30 + 3 + 11. multiply left to right

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the order of operations is more commonly known as PEMDAS.

(parenthesis, exponents, multiply and divide, add and subtract)

If you are still confused there is a Brain Pop about PEMDAS. just search "order of operations" on the brain pop website

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