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Alex17521 [72]
2 years ago
13

You have invested $2000 at 3.75% annual interest. How much money do you have after 20 years?

Mathematics
1 answer:
lbvjy [14]2 years ago
6 0

Answer:

  • $3500

Step-by-step explanation:

<u>Let's use PRT/100 to see what will be the total amount.</u>

  • Total amount = Interest + Principle

<u>Solution:</u>

  • PRT/100 = Interest
  • => 2000 x 3.75 x 20 years/100
  • => 20 x 3.75 x 20 = Interest
  • => 2 x 2 x 375 = Interest
  • => 4 x 375 = Interest
  • => 1500 = Interest
  • => Total amount = 1500 + 2000
  • => Total amount = $3500

Hence, after 20 years, the amount earned is $3500.

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A train travels 16 miles in 20 minutes At this rate , how many minutes will it take to trace 12 miles?
umka2103 [35]

Answer:

15 minutes

Step-by-step explanation:

You must find the unit rate.

You can find this by dividing 16 miles by 20 minutes

This formula would find how many per minute

The answer would be .64 miles per minutes.

Then Multiply .64 by 12 which would give you the answer of 7.68

8 0
3 years ago
Which expression is equal to (x+2)(−3x2+3x+1)?
padilas [110]
Multiply everything in the second parenthesis by x.

-3x^3 + 3x^2 + x

Multiply everything in the second parenthesis by 2.

-6x^2 + 6x + 2

Combine these two equations together.

-3x^3 + 3x^2 + x - 6x^2 + 6x + 2

Combine like terms.

-3x^3 - 3x^2 + 7x + 2

Hope this helps!
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3 years ago
Alyssa rode her bike 14.2 miles in 0.8 hours. what is the average number of miles she rode per hour​
Delvig [45]

Answer:

17.75 miles per hour

Step-by-step explanation:

14.2 divided by 0.8

3 0
3 years ago
Read 2 more answers
I don’t even know where to begin on this one
TiliK225 [7]

Answer:

This is simple linear regression analysis. We can determine the line of best fit using technology

Step-by-step explanation:

5 0
3 years ago
The town of Madison has a population of 25000 The population is increasing by a factor of 1.12 each year.
Fudgin [204]

Answer:

P(t) = 25,000*1.12^t

Step-by-step explanation:

The populational growth is exponential with a factor of 1.12 each year. An exponential function has the following general equation:

y(x) = ab^x

Where 'a' is the initial population (25,000 people), 'b' is the growth factor (1.12 per year), 'x' is the time elapsed, in years, and 'y(x)' is the population after 'x' years.

Therefore, the function P(t) that models the population in Madison t years from now is:

P(t) = 25,000*1.12^t

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3 years ago
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