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valentina_108 [34]
3 years ago
8

Felix invested $10,000 into a retirement account in 2010. He then projected the amount of money that would be in the account for

several years assuming that the interest will compound continuously at an annual rate. Later, when he looked back at the data, he could not recall the annual he used for the projections. Use the data below to determine the annual rate as a percent. (Remember use A=Pert for continuous interest problems where P=initial amount invested, r is the interest rate as a decimal and t is the time in years).
Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0

Answer:

0.068% or 6.8% this will be your final answer

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Answer:

63

Step-by-step explanation:

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3 years ago
Which set of side lengths can be used to form a right triangle?
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14, 48, 50
These lengths are double the Pythagorean triple of 7, 24, 25. A triangle with side lengths that are a Pythagorean triple will be right angled.
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Dmitriy789 [7]
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6 0
4 years ago
Explain why the equation ( x - 4 ) ^2 - 28 = 8 has two solutions. Then solve the equation to find the solutions. Show your work.
sashaice [31]

Answer:

Step-by-step explanation:

(x-4)2-28=8

Two solutions were found :

x = 10

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Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

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Step by step solution :

Step  1  :

Trying to factor by splitting the middle term

1.1     Factoring  x2-8x-20

The first term is,  x2  its coefficient is  1 .

The middle term is,  -8x  its coefficient is  -8 .

The last term, "the constant", is  -20

Step-1 : Multiply the coefficient of the first term by the constant   1 • -20 = -20

Step-2 : Find two factors of  -20  whose sum equals the coefficient of the middle term, which is   -8 .

     -20    +    1    =    -19

     -10    +    2    =    -8    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -10  and  2

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Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (x-10)

             Add up the last 2 terms, pulling out common factors :

                   2 • (x-10)

Step-5 : Add up the four terms of step 4 :

                   (x+2)  •  (x-10)

            Which is the desired factorization

6 0
4 years ago
A sewing club used 48 feet of fabric to make 8 blankets. At this rate how many blankets can be made from 12 feet of fabric?
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