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SIZIF [17.4K]
3 years ago
8

Write an exponential function to model each situation. Find each amount after the specified time.

Mathematics
1 answer:
earnstyle [38]3 years ago
8 0

Answer:

14. X = 1236000(1.013^t)

1,406,413.169 at t = 10

15. X = 752000 × (0.86^t)

49,795.48457 at t = 18

16. X = 18000 × 0.75^t

5,695.3125 at t = 4

Step-by-step explanation:

14.

X = 1236000 × (1 + 1.3%)^t

X = 1236000(1.013^t)

At t = 10,

X = 1236000 × 1.013¹⁰

= 1406413.169

15. 752000 × (1 - 1.4%)^t

X = 752000 × (0.86^t)

At t = 18

X = 752000 + 0.86¹⁸

= 49795.48457

16.

X = 18000 × (1 - 25%)^t

X = 18000 × 0.75^t

At t = 4

X = 18000 × 0.75⁴

X = 5695.3125

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8 0
4 years ago
The length of the hypotenuse of a right triangle is 30 inches. The length of one leg is 27 inches. To the nearest tenth, what is
attashe74 [19]
Use Pythagorean Theorem
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3 years ago
I have no idea how ti so this one can sombody help do this one please it is hard
Vinil7 [7]
Not as hard as you think.
Just multiply all the prime factors together.
4 0
3 years ago
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WILL NAME BRAINLIEST-PLEASE DONT ANSWER IF YOU DONT KNOW
mojhsa [17]

Answer:

Infinite Solutions

Step-by-step explanation:

x + 2y = 10

6y = 3x - 30

To solve for x and y we use substitution method

Let's solve the first equation for x

x + 2y = 10

Subtract 2y on both sides

x = 10 - 2y

Now plug in x in second equation

6y = -3x + -30

6y = -3 (10-2y) - 30

6y = -30 + 6y - 30

6y = 6y

Both sides are the same, so both x and y have infinite solutions.

8 0
3 years ago
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A sailboat rental company charges a fee of $78.75 plus $80.25 per hour to rent a sailboat. A second rental company charges custo
Varvara68 [4.7K]

Answer:

3.69 hours

Step-by-step explanation:

y = 80.25x + 78.75

y = 95.75 + 40

85.25x + 78.75 = 95.75 + 40

-85.25x   -40        -85.25x  -40

38.75/10.5 = 10.5x/10.5

3.690476190..... = x

rounding

3.69 = x

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