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Rama09 [41]
3 years ago
6

Harold’s balance in his savings account was $10,000. The savings account earns annual simple interest. At the end of 3 years, th

e balance of the account was $11,875. If Harold did not make any additional deposits or withdrawals, what was the approximate annual interest rate on the savings account?
Mathematics
1 answer:
mash [69]3 years ago
5 0

Answer: 625

Step-by-step explanation: 1875/3=625

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....Help Please......
Bogdan [553]

Answer:

9984000

Step-by-step explanation:

subtract the total by the other number (coverage)

3 0
2 years ago
Read 2 more answers
What is one third the difference between 3/4 and 2/3?
Ivan

Answer:

One third the difference between 3/4 and 2/3  is (\frac{1}{36} )

Step-by-step explanation:

One third the difference of A and B  =  \frac{1}{3} \times (A-B)

Here, as given in the question:

A = \frac{3}{4} , B = \frac{2}{3} \\\implies A  - B =  \frac{3}{4} - \frac{2}{3}\\=(\frac{3 \times 3 -2 \times 4}{12})  = (\frac{9-8}{12} ) = (\frac{1}{12})\\ \implies  A  - B =  (\frac{1}{12})

Now, one third of the difference is :

(\frac{1}{3}) \times (\frac{1}{12}) =   (\frac{1}{36})

Hence, one third the difference between 3/4 and 2/3  is (\frac{1}{36} )

3 0
3 years ago
the performance score of 10 adults is recorded, and the results are 83 87 90 92 93 100 104 111 115 121 find the standard deviati
luda_lava [24]

Answer:

The standard deviation of the data set is \sigma = 12.7906.

Step-by-step explanation:

The Standard Deviation is a measure of how spread out numbers are. Its symbol is σ (the greek letter sigma)

To find the standard deviation of the following data set

\begin{array}{cccccccc}83&87&90&92&93&100&104&111\\115&121&&&&&&\end{array}

we use the following formula

                                             \sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{X}\right)^2 }}{n-1} }

Step 1: Find the mean \left( \overline{X} \right).

The mean of a data set is the sum of the terms divided by the total number of terms. Using math notation we have:

                                     Mean = \frac{Sum ~ of ~ terms}{Number ~ of ~ terms}

Mean = \frac{Sum ~ of ~ terms}{Number ~ of ~ terms}=\frac{83+87+90+92+93+100+104+111+115+121}{10} \\\\Mean = \frac{996}{10} =\frac{498}{5}=99.6

Step 2: Create the below table.

Step 3: Find the sum of numbers in the last column to get.

\sum{\left(x_i - \overline{X}\right)^2} = 1472.4

Step 4: Calculate σ using the above formula.

\sigma = \sqrt{ \frac{ \sum{\left(x_i - \overline{X}\right)^2 }}{n-1} }       = \sqrt{ \frac{ 1472.4 }{ 10 - 1} } \approx 12.7906

3 0
3 years ago
An electronics store receives a shipment of 35 graphing calculators including 7 that are defective. eight calculators are chosen
spin [16.1K]
There are 23535820 combinations that can be made of 35 calculators taken 8 at a time.

_{35}C_8=\frac{35!}{8!27!}=23535820
8 0
3 years ago
Solve 29 – 3:= 5x + 5 for x.​
mojhsa [17]

Answer:

x=4.2

Step-by-step explanation:

29-3=5x+5

21=5x, x=21/5=4.2

3 0
3 years ago
Read 2 more answers
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