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Iteru [2.4K]
2 years ago
3

19) Max bought a new speed boat that cost of $33,000. The boat depreciates approximately 18% of its value each year. Write an eq

uation to model the decay value of the speed boat. A) A = 33,0000.18t B) A = 33,0001.82t C) A = 33,0000.82/t D) A = 33,000(0.82)t
Mathematics
2 answers:
Karo-lina-s [1.5K]2 years ago
7 0
We must write an equation of the exponential type in the following way:
 y = A * (b) ^ t
 Where,
 A: initial amount
 b: decrease rate
 t: time
 Substituting values we have:}
 y = 33000 * (0.82) ^ t
 Answer:
 D) A = 33,000 (0.82) ^ t
kiruha [24]2 years ago
5 0

Answer:

D

Step-by-step explanation:

what that person said

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Chiko bought 75 shares of stock at $19.58 per share. He received dividends of $73.42 during the year. At the end of the year, hi
shtirl [24]

Answer: 1,468.5

Step-by-step explanation:

Hi, to answer this question we simply have to multiply the price of each share of stock ($19.58) by the number of shares of stock bought (75 ).

Mathematically speaking:

Price per share x number of shares = 19.58 x 75 = $1,468.5  

His purchase price was 1,468.5

Feel free to ask for more if needed or if you did not understand something.  

3 0
2 years ago
George bought 9 apples that cost 50 cents each.
Natasha2012 [34]
He has 9 apples so we add .50 cents 9 times.
If we count this money-wise we would get 4.50, so if he paid with a $5 bill he would recieve 50 cents
4 0
2 years ago
A grocer has two kinds of tea, one selling for 80 cents per pound and the other selling for 60 cents per pound. How many pounds
ruslelena [56]
X*80+y*60= 50*74
x      +y      =50            | * ( -60)

80x  + 60y= 50*74
-60x  - 60y=-50*60
---------------------------
20x= 50*(74-60)=50*14
x=50*14/20=35 pounds of 80 cents tea
y=50-35=15 pounds of 60 cents tea
8 0
2 years ago
A large washer has an outer radius of 10mm and a hole with a diameter of 14mm. What is the area of the top surface of the washer
choli [55]
<h2>Answer:</h2>

The area of the top surface of the washer is:  160.14 square mm.

<h2>Step-by-step explanation:</h2>

The top of the surface is in the shape of a annulus  with a outer radius of 10 mm and a inner radius of 7 mm ( since the diameter of the hole is: 14 mm and we know that the radius is half of the diameter)

Now, we know that the area of the annulus region is given by:

Area=\pi (R^2-r^2)

where R is the outer radius and r is the inner radius.

Here we have:

R=10\ mm\\\\and\\\\r=7\ mm

Hence, we have:

Area\ of\ top\ surface=\pi (10^2-7^2)\\\\i.e.\\\\Area\ of\ top\ surface=\pi (100-49)\\\\i.e.\\\\Area\ of\ top\ surface=\pi\cdot 51\\\\i.e.\\\\Area\ of\ top\ surface=160.14\ mm^2

4 0
2 years ago
Read 2 more answers
Sophie has $4.20 worth of dimes and quarters. She has twice as many quarters as
ikadub [295]

Answer:

Step-by-step explanation:

7 0
2 years ago
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