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kotegsom [21]
3 years ago
10

What is the derivative of (3x^2 - 2x + 10) + (5x + 2)

Mathematics
1 answer:
bulgar [2K]3 years ago
3 0

\frac{d}{dx} ( {3x}^{2}  - 2x + 10 + 5x + 2) \\ 6x - 2 + 5 \\ 6x + 3

Therefore the derivative is 6x+3

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You would need to know the cost of the box of 20, then you would divide the total cost by the number of pencils in the box. This would give you the cost of one pencil - which is the unit cost.


Example:

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The present age of mother and her daughter respectively are; 40 and 10 years respectively.

<h3>How to Solve Algebra Word Problems?</h3>

Let x and y be the present age of mother and her daughter respectively.

Therefore;

x + y = 50

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After 20 years, mother's age will be twice her daughter's age at the time. Thus;

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Plugging eq 1 into eq 2 gives us;

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Translation of the question into English is;

The sum of the present ages of mother and her daughter is 50 years. After 20 years, mother's age will be twice her daughter's age at the time. Find their present ages.

Read more about Algebra Word Problems at; brainly.com/question/21405634

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