Solve the problem.A piece of equipment was purchased by a company for $10,000 and is assumed to have a salvage value of $3,000 in 10 years. If its value is depreciated linearly from $10,000 to $3,000, find a linear equation in the form V = mt + b, t time in years, that will give the salvage value at any time t, 
A. T = - 700V + 10,000
B. V = - 700t + 10,000
C. V = - 700t - 10,000
D. V = 700t + 10,000
Answer: B
Mathematics
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Provide an appropriate response.A building contractor bought 5 dishwashers at one price and 11 microwave ovens at another price. Let d be the price of each dishwasher and m be the price of each microwave oven. Write the equation for a total purchase price of $2,870 with 2 variables.
A. 5d = 11m B. d + m = 2,870 C. 5d + 11m = 2,870 D. 11d + 5m = 2,870
Mathematics
If y varies directly as x, write a general formula to describe the variation.y = 6 when x = 4
A. y = 2x
B. y = 
x
C. y = x + 2
D. y = 
x
Mathematics
Evaluate.
A. 20 B. 22 C. 19 D. 21
Mathematics
Subtract and simplify. Write the answer as a mixed number as needed.15 - 
A. 12
B. 15
C. 14
D. 14
Mathematics