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4. a computer initially worth $2,000 depreciates by about $275 per year.
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a. write the equation that models this situation.
b. use the equation to predict the cost of this computer after 6 years
work below.

a)  W(x)  =  2, 000  - 275 x  represents the given situation.

b) The cost of the computer after 6 years is $350.

Step-by-step explanation:

Initial worth of the company = $2,000

Depreciation each year = $275

Let, W(x) represent the worth of the computer in x - th year.

So, according to the question:

a)   W(x)  =  2, 000  - 275 x  represents the given situation.

b)  Solving W(x) for x = 6, we get

    W(6)  =  2,000  - 275(6)  = 2, 000  -  1,650

              = 350

⇒W(6)  = $350

Hence, the cost of the computer after 6 years is $350.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: