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3 years ago

What is the ansewer to 5 to the 2nd power

Mathematics

2 answers:

pashok25 [27]3 years ago

8 0

The answers is 25
5^2 is equal to 5*5=25

goldenfox [79]3 years ago

8 0

5² is actually (5·5)

And we know that 5·5 is 25

5² is 25

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2. What is the effective annual rate of an investment that pays 6% for 5 years, compounded semiannually?

Ede4ka [16]

Answer:

effective annual rate is 6.16 %

Step-by-step explanation:

given data

rate = 6 % = 0.06

time 5 year = 10 semi annually

to find out

effective annual rate

solution

we know formula for annual effective rate of interest is

rate of interest = $(1+ r/n)^{n}$ -1

put here all value

rate of interest = $(1+ 0.06/10)^{10}$ -1

rate of interest = 0.061646

so effective annual rate is 6.16 %

8 0

3 years ago

Solve 5^3x+1 = 4^x-5 for x

tensa zangetsu [6.8K]

For the equation $5^{3x+1}=4^{x-5}$ take the $\log$ from both sides:

$\log 5^{3x+1}=\log 4^{x-5},\\ \\(3x+1)\log 5=(x-5)\log 4.$

Find x:

$3x\log 5+\log 5=x\log 4-5\log 4,\\ \\3x\log 5-x\log 4=-5\log 4-\log 5,\\ \\x(3\log 5-\log 4)=-5\log 4-\log 5,\\ \\x=\dfrac{-5\log 4-\log 5}{3\log 5-\log 4}=\dfrac{5\log 4+\log 5}{\log 4-3\log 5}.$

Answer: correct choice is D

7 0

2 years ago

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Help! 250(1+0.1)^15 = ??

olganol [36]

Using PEMDAS this is the answer I got 1,042.5 :)

6 0

3 years ago

Suppose you want to have $400,000 for retirement in 30 years. Your account earns 4% interest.

Ne4ueva [31]

Answer:

if he wants to have $400000 on gis bank in 30 years at 4 %rate then he needs to deposit $15151.5 per month

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3 years ago

Roby ran 5 3/4 miles last week . she ran 4 1/4 miles this week how many more miles did she run last week

Westkost [7]

1 and 2/4 more miles less than last week

8 0

3 years ago

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