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rewona [7]
4 years ago
7

Gerhard deposited $5600 into a savings account that earns 4.5% simple interest each year calculated annually. What is the future

value of Gerhard's account after 12 years?
Mathematics
2 answers:
ohaa [14]4 years ago
7 0
First you have to add 5600×4.7%×12 all of that =$3158.4
lubasha [3.4K]4 years ago
6 0

Answer: 8624.00


Step-by-step explanation:


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A town has a population of 2000 and grows at 4.5% each year. What will the population be after 13 years, to the nearest whole nu
77julia77 [94]

Answer:

<u><em>3544.392</em></u>

Step-by-step explanation:

The value of the total number of population is P=2000The value of the rate of interest isR%=4.5%The value of the time is T=13yrs

For compounded annually

n=1

The expression for the final value of the population after

13years is,A=2000(1+4.5100)13=3544.392

if you can give me brainliest that would be great

4 0
3 years ago
When the coordinates (2,3), (4,4), (6,3), And (4,2) are joined, which shape is formed?
RSB [31]
Rectangle. I hope this helps.
4 0
4 years ago
A researcher is going to estimate the average typing speed of students of a college. He selects a random sample of 20 students a
Stella [2.4K]

Answer:

The margin of error of the 90% confidence interval of a student's average typing speed is of 1.933 wpm.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 20 - 1 = 19

90% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 19 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.9}{2} = 0.95. So we have T = 1.7291

The margin of error is:

M = T\frac{s}{\sqrt{n}}

In which s is the standard deviation of the sample and n is the size of the sample. For this question, we have s = 5, n = 20. So

M = T\frac{s}{\sqrt{n}}

M = 1.7291\frac{5}{\sqrt{20}}

M = 1.933

The margin of error of the 90% confidence interval of a student's average typing speed is of 1.933 wpm.

8 0
3 years ago
Rita ran 2 km 30 m in a 10 km marathon. How much more distance she has to cover to finish the marathon?
vichka [17]

Answer:

7.970km

Step-by-step explanation:2km 30m=2000m+30m=2030m  (1km=1000m)

total distance is 10km which is 10000m.

10000m Minus 2030m equals 7970m so this give's us the answer of 7.97km (7.970km) Hope this helps!

4 0
2 years ago
Mary eats 5 bananas and an additional 2 bananas when she works out for 2 hours. Represent the number of bananas that she eats wh
ElenaW [278]
For this item, we let x be the number of hours she works out and y be the total number of bananas that she will be eating after the workout. The expression that best described the given above is,
                             y = 5 + 2x
5 is given as the y-intercept because of the initial condition. 
8 0
3 years ago
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