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Zanzabum
3 years ago
15

Alejandra has a balance of $6060 on a credit card with an APR of 20.6%. Paying off her balance in which of these lengths of time

will result in her paying the least amount of interest?
Mathematics
2 answers:
natima [27]3 years ago
8 0
You didn't provide the possible answers, but the smallest length of time will result in the least amount of interest. 
hram777 [196]3 years ago
4 0

Answer:

the correct answer is 9 months.

Step-by-step explanation:


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Find the inverse of the following function. Then prove they are inverses of one another.
solmaris [256]

Answer: \dfrac{x^2+1}{2}

Step-by-step explanation:

Given

f(x)=\sqrt{2x-1}

We can write it as

\Rightarrow y=\sqrt{2x-1}

Express x in terms of y

\Rightarrow y^2=2x-1\\\\\Rightarrow x=\dfrac{y^2+1}{2}

Replace y be x to get the inverse

\Rightarrow f^{-1}(x)=\dfrac{x^2+1}{2}

To prove, it is inverse of f(x). f(f^{-1}(x))=x

\Rightarrow f(f^{-1}(x))=\sqrt{2\times \dfrac{x^2+1}{2}-1}\\\\\Rightarrow f(f^{-1}(x))=\sqrt{x^2+1-1}\\\\\Rightarrow f(f^{-1}(x))=x

So, they are inverse of each other.

8 0
3 years ago
Which is smaller, -5 or 7​
docker41 [41]

Answer:

-5

it is smaller than 7

Step-by-step explanation:

cuz my bwain say yes

8 0
3 years ago
Read 2 more answers
Marika is training for tack race. She starts by sprinting 100 yards. She gradually increases her distance, adding 4 yards a day
Mekhanik [1.2K]

Answer:

A(n)= 100 + (n-1)4

Step-by-step explanation:

5 0
3 years ago
Question 28 of
Helen [10]

y - y1 = m(x - x1) \\ y - 8 = 15(x - 2) \\ y - 8 = 15x - 30 \\ y = 15x - 30 + 8 \\ y = 15x - 22

The equation of line is y = mx+b ; m is slope , b is y- intercept

Please give brainlest

7 0
2 years ago
Find the domain of the function f(x)=2/3x+3 . The given range is -3,0,5,9. A.1,3,19/3,9 b.-4,-2,4/3,4 c.-9,9/2,,3,9 d.0,9/2,12,1
algol13

Answer:

I believe it is C?

Step-by-step explanation:

6 0
3 years ago
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