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2 years ago

Plz help me out I need it bad

Mathematics

1 answer:

sineoko [7]2 years ago

4 0

The aweee to this question is 1/10 or u could use 10%

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The point of intersection is at (2,3)

Step-by-step explanation:

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2 years ago

Find the future value of $3633.49 invested for 2 years at 4% compounded monthly?

SSSSS [86.1K]

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$290.68

Step-by-step explanation:

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2 years ago

Which of the following can prove that figure ABCD is a square?

Klio2033 [76]

Answer:

Step-by-step explanation:

all sides of square is 90degrees

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2 years ago

The initial cost of an office fax machine is $100. After 1 year, its value becomes $80. Which is the correct linear depreciation

Elis [28]

Answer:

$y=100-20x$

Step-by-step explanation:

Let the x-axis be the time (in years) and the y-axis the value of the fax machine (in dollars).

We know that the initial value of the fax machine is $100; in other words, when the time is zero years, the value is $100, or as an ordered pair (0, 100). We also know that after 1 year the value decreases to $80, so (1, 80).

Now we can find the slope of the line passing through those two points using the slope formula

$m=\frac{y_2-y_1}{x_2-x_1}$

where

$m$ is the slope

$(x_1,y_1)$ are the coordinates of the first point

$(x_2,y_2)$ are the coordinates of the second point

Replacing values:

$m=\frac{80-100}{1-0}$

$m=-20$

Now, to complete our model we are using the point slope formula

$y-y_1=m(x-x_1)$

where

$m$ is the slope

$(x_1,y_1)$ are the coordinates of the first point

Replacing values:

$y-100=-20(x-0)$

$y-100=-20x$

$y=-20x+100$

$y=100-20x$

We can conclude that the correct linear depreciation model is $y=100-20x$

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2 years ago