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kompoz [17]
2 years ago
12

II. Round to the nearest hundred.

Mathematics
1 answer:
julia-pushkina [17]2 years ago
8 0

Answer:

582-600

1,234-1,200

640-600

770-800

1,104-1,100

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steve deposits $1250 in an account paying 3.4% annual interest compounded continously. how long will it take for the account bal
Tomtit [17]

Answer:

It will take 27.19 years

Step-by-step explanation:

Compound continuous interest can be calculated using the formula:

A=Pe^{rt} , where

  • A = the future value of the investment, including interest
  • P = the principal investment amount (the initial amount)
  • r = the interest rate  of interest in decimal
  • t = the time the money is invested for

∵ Steve deposits $1250 in an account

∴ P = 1250

∵ The account paying 3.4% annual interest compounded continuously

∴ r = 3.4%

- Change it to decimal by dividing it by 100

∴ r = 3.4 ÷ 100 = 0.034

∵ The account balance will reach to $3150.5

∴ A = 3150.5

- Substitute The values of A, P and r in the formula above to find t

∵ ​3150.5=1250e^{0.034t}

- Divide both sides by 1250

∴  ​2.5204=e^{0.034t}

- Insert ㏑ to both sides

∴ ​ln(2.5204)=ln[e^{0.034t}]

- Remember that ln(e^{n})=n

∵  ln(e^{0.034t})=0.034t

∴ ​ln(2.5204) = 0.034t

- Divide both sides by 0.034

∴ 27.18875 = t

∴ t ≅ 27.19

It will take 27.19 years

3 0
3 years ago
Consider multiplying 26.2 by 16.43 what would a mathematician say the answer is
IgorC [24]

In mathematics multiplying decimals is just like multiplying a whole number and ignoring the decimals., then just put the decimals in the answer – it is how many decimals does the two numbers combined.

First step:

Line the numbers on the right and do not a line the decimal points

      26.2

×  16.43

Second Step:

Multiply the numbers starting on the right, just like multiplying a whole number and ignore the decimals.

       26.2

<span> ×  16.43</span>

         786

     1048

   1572

<span>+ 262   </span>

   430466

Third step: add the products

        26.2

<span> ×  16.43</span>

         786

     1048

   1572

<span>+ 262   </span>

   430.466 is the mathematician’s answer.

8 0
3 years ago
A field has a perimeter of 1.48 kilometers it is 460 meteres long how wide is the field
Vika [28.1K]
280 meters wide. 
Step 1: Convert kilometers to meters. 1.48=1480
Step 2: Multiply the side length that you have by 2. 2x460=920
Step 3: Subtract 920 from 1480. 1480-920=560.
Step 4: Divide 560 by 2. 560/2=280
There is your answer! 
6 0
3 years ago
Read 2 more answers
What is the area of the object above?
stepan [7]

Answer:

Option C

Step-by-step explanation:

You need to begin by separating the shape into two distinct rectangles. The larger one has dimensions 15 cm * 8cm, while the smaller one has dimensions 7cm * 5cm. Adding these together, you get 15*8+7*5=155 square centimeters, or option C. Hope this helps!

6 0
2 years ago
Read 2 more answers
How to construct pie charts
KengaRu [80]

Answer:


Step-by-step explanation:

1.Categorize Your Data. Compile your data into categories. ...

2.Find the Total. Add all the numbers together to get the total. ...

3.Divide the Categories. Divide each of the categories by the total. ...

4.Convert to Percentages. Multiply each of the decimals by 100 to get the percentages. ...

5.Calculate the Degrees.

5 0
3 years ago
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