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1 year ago

Need help with this question. only need help with A.

Mathematics

1 answer:

Oksi-84 [34.3K]1 year ago

6 0

The company gives the price of the new computer to be $2400.

If the company chooses to depreciate using the straight-line method over six years, the amount reduced per year will be:

$\Rightarrow\frac{2400}{6}=400$

Therefore, the linear function will be:

$V(x)=2400-400x$

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3 years ago

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den301095 [7]

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-1

Step-by-step explanation:

We need to simplify the given expression . The given expression is ,

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Here we can see that the power of the both exponent is same that is (2n+1) . Recall the property of exponents ,

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This can be written as ,

$\rm\implies\{( 2 \sqrt6 +5) ( 2\sqrt6 - 5)\}^{2n-1}$

Simplifying using ( a+b)(a-b) = a² - b² ,

$\rm\implies\{( 2 \sqrt6)^2 -5^2 \}^{2n-1}\\\\\rm\implies ( 24 - 25)^{2n-1}$

Subtracting the numbers inside the brackets ,

$\rm\implies (-1)^{2n - 1 }$

Now we know that every odd number is in the form of 2n -1 , where n is any integer. Therefore , the power is odd .

Since the base is (-1) , for even power it is 1 and for odd power it is -1 . Therefore the final answer is ,

$\rm\implies\boxed{\quad \red{ -1 }\quad }$

Hence the required answer is (-1) .

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