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lana [24]
3 years ago
13

Karana's mom bought her two items using a credit card. The first item cost $258, and the second item cost $372. Later, she retur

ned both items to the store. What was the change in the amount owed to the credit card company from returning both items?

Mathematics
1 answer:
Lelu [443]3 years ago
7 0

Answer:

View explanation.

Step-by-step explanation:

The question isn't clear on whether or not you are asking if the mom or if the store is owing money to the credit card company. The store owes the full amount paid. The mom owes nothing. You can look at the images for a more detailed explanation, but it is not really needed.

Images from https://www.creditcardinsider.com/blog/happens-credit-card-bill-make-return/

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Answer:

Step-by-step explanation:

(a)\\ \\ (i)\ \sqrt{3}=3^p\\ \\ 3^{\frac{1}{2}}=3^p\\ \\ p=\frac{1}{2}\\ \\ (ii)\ \frac{1}{9}=3^q\\ \\ 3^{-2}=3^q\\ \\ q=-2\\ \\ (b)\\ \\ 3^{\frac{1}{2}(3^x)=\frac{1}{9}\\ \\ 3^{\frac{1}{2}+x}=3^{-2}\\ \\ \frac{1}{2}+x=-2\\ \\ x=-1.5

7 0
3 years ago
What is the eighth term in the arithmetic sequence defined by the explicit formula an=2n+7?
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8 0
3 years ago
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4a + 3 2y 5a 7 + 4y<br> Need to simplify
stiks02 [169]

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it is 9a+6y+10

Step-by-step explanation:

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3 years ago
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HELP!! Subtract: (2x3 + 7x2 – 4) – (22x2 + 4x – 10)
alex41 [277]

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I kind of understand this question, but I'm not sure how to answer it directly, can someone help please.
nordsb [41]
So here we use the pythagorean theorem which is a2 + b2 = c2 (“a” squared times “b” squared equals “c” squared) the length from calvins house to the intersection is “a” and the length from phoebes house to the intersection is “b” so in order to find out the length of “c” (calvins house to phoebes house) we need to use the pythagorean theorem

a2 275x275=75,625

b2 113x113 = 12,769

so now that we have figured out what a2 and b2 are let’s add them

75,625 + 12,769 = 88,394

now since we only need to find out the length and not the area we need to find the square root of 88,394

the square root of 88,394 is 297.311 (i cut off the decimal after three places)

the direct length from phoebes house to calvins is 297.311 meters
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