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Eva8 [605]
3 years ago
12

For income tax​ purposes, a man uses a method called​ straight-line depreciation to show the loss in value of a copy machine he

recently purchased. A man assumes that he can use the machine for years. The following graph shows the value of the machine over the years. What loss in value occurred during the first​ year?

Mathematics
1 answer:
PtichkaEL [24]3 years ago
6 0

Answer: $500

Step-by-step explanation:

The vertical axis of the graph represents the value of the copy machine and the horizontal axis represents the years.

Using the line, one can see that in the first year, the value of the machine went from $7,000 to $6,500.

The loss in value is therefore;

= 7,000 - 6,500

= $500

<em>The needed graph is attached. </em>

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dsp73

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37.4

Step-by-step explanation:

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change the equation

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3 years ago
Help please I need to get it done today​
Margarita [4]

Answer:

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4 years ago
Read 2 more answers
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Sonja [21]

Answer:

the width is 10 m

Step-by-step explanation:

if the relationship between area and width is

A = 80*w − w²

for an area A=700 m² , we have

700 m² = 80*w − w²

w² - 80*w + 700 m² = 0

aw² + b*w + c = 0

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this quadratic equation has as solution the following formula

w = [-b ± √ ( b² - 4*a*c) ]/(2*a)

replacing values

w = [80 ± √ ( 80² - 4*1*700) ]/(2*1) = (80 ± 60)/2

then

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since the area has the form A= length * width = 80*w − w² = (80− w)*w

then the length of the rectangle is

length = 80− w

for w₁=10 m → length = 80− 10 = 70 m

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Answer:

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Step-by-step explanation:

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