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Vesnalui [34]
3 years ago
12

alistar has an annual income of $25,000 he decides to take classes on line at night so that he can continue to work. after 3 yea

rs he gets his degree and immediately starts earning $32,000 per year. if it takes him 6 years to revover his investments for his education, how much did it cost him
Mathematics
2 answers:
nika2105 [10]3 years ago
5 0

Answer:

Total cost = $42000

Step-by-step explanation:

Alistar’s 6-year investment plan consists of two periods :

Period 1 : From year 1  to year 3

Period 2 : From year 4 to year 6

In the first period, from  year 1 to 3,

Alistar make investment on his education.

In the second period, from year  4 to 6,

Amount which he starts earning = $32000

And the annual income of him = $25000

⇒ Alistar receives additional $7000 every year

Now, time taken to recover his investments = 6 years

Hence, Total cost = 7000 × 6

                               = $42000

Svet_ta [14]3 years ago
3 0
It costed him 7,000*6 which would be $42,000
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Answer:

a. 277.3 m²

b. $307.86

Step-by-step explanation:

a. Area of the wall to be painted = area of rectangle - area of triangle

= L × W + ½×a×b×sin θ

L = 17 m

W = 14 m

a = 8.7 m

b = 9.5 m

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Plug in the values into the equation

Area of the wall = (17×14) + (½*8.7×9.5×sin 72)

Area of the wall = 238 + 39.3024105

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b. 20 liters of paint of 1 container cost $21.99

If 1 liter of paint covers 1m², therefore,

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1 container = $21.99

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8 0
3 years ago
A polygon has vertices whose coordinates are A(1, 4), B(4, -1), C(-1, -4), and D(-4, 1). Use the midpoint formula to determine w
Alenkinab [10]

Answer:

The diagonals of the polygon ABCD bisect each other

Step-by-step explanation:

The given vertices of the polygon are;

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Given that the vertices of the polygon in clockwise order from the top left corner are ABCD, we have the diagonals as AC and DB

By the midpoint formula, we have;

(x_m , \ y_m) = \left (\dfrac{x_1 + x_2}{2} , \ \dfrac{y_1 + y_2}{2} \right )

Where;

(x_m , \ y_m) = The midpoint coordinates

Therefore, the midpoint of diagonal AC = \left (\dfrac{1 + (-1)}{2} , \ \dfrac{4 + (-4)}{2} \right ) = (0, 0)

The midpoint  of diagonal DB = \left (\dfrac{(-4) +4}{2} , \ \dfrac{1 + (-1)}{2} \right ) = (0, 0)

Therefore, given that the coordinates of the location of the midpoint of the diagonals AC and DB is the same, the diagonals bisect each other

Each diagonal passes through the midpoint of the other diagonal.

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3 years ago
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mojhsa [17]
2 meters because 8/4 is 2
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Write 0.0000055 in scientific notation
Feliz [49]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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To find out how much extra Danielle earns, you would subtract 8.40 from 9.20;

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Thus, Danielle earns $1.20 more than Mackenzie per hour.

6 0
3 years ago
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