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WITCHER [35]
3 years ago
7

Plz solve this question for me

Mathematics
2 answers:
sveticcg [70]3 years ago
3 0

Answer:

2

Step-by-step explanation:

w + 1/2 ➡ (2w + 1)/2

w/4 + 2➡ (w + 8)/4

(2w + 1)/2 = (w + 8)/4

8w + 4 = 2w + 16 ➡ 6w = 12

w = 2

Mazyrski [523]3 years ago
3 0
w + 1/2 = 1/4w + 2
-1/4w -1/4w
3/4w + 1/2 = 2
- 1/2 -1/2
3/4w = 1 1/2
/ 3/4 / 3/4
w = 2
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Answer:

Step-by-step explanation:

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3 years ago
1. Delia purchased a new car for $23,350. This make and model straight line depreciates to zero after 13 years.
frosja888 [35]

Answer:

a. y-intercept = 23350 and x-intercept = 13

b. m = -\frac{23350}{13}

c. y = -\frac{23350}{13}x + 23350

Step-by-step explanation:

Given

Years = 13

Total\ depreciation = \$23350

Solving (a): The x and y intercepts

The y intercept is the initial depreciation value

i.e. when x = 0

This value is the value of the car when it was initially purchased.

Hence, the y-intercept = 23350

The x intercept is the year it takes to finish depreciating

i.e. when y = 0

From the question, we understand that it takes 13 years for the car to totally get depreciated.

Hence, the x-intercept = 13

Solving (b): The slope

The slope (m) is the rate of depreciation per year

This is calculated by dividing the total depreciation by the duration.

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m = \frac{23350}{13}

Because it is depreciation, it means the slope represents a deduction.

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m = -\frac{23350}{13}

Solving (c): The straight line equation

The general format of an equation is:

y = mx + b

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b = y\ intercept

In (a), we have that:

y\ intercept = 23350

In (b), we have that:

Slope\ (m) = -\frac{23350}{13}

Substitute these values in y = mx + b

y = -\frac{23350}{13}x + 23350

<em>Hence, the depreciation equation is: </em>y = -\frac{23350}{13}x + 23350<em></em>

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