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ioda
3 years ago
8

You invested ​$20,000 in two accounts paying 7% and 8% annual​ interest, respectively. If the total interest earned for the year

was $1530, how much was invested at each​ rate?
Mathematics
1 answer:
sasho [114]3 years ago
5 0

Answer:

$7,000 at 7%; $13,000 at 8%

Step-by-step explanation

x: the amount invested at 7%

y: the amount invested at 8%

x + y = 20,000

7%.x + 8%.y = 1,530

⇒ x =7,000

y = 13,000

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One that compound interest daily.

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The account that compound interest daily earn us more money because the interest calculated in this type of account is on daily basis. so we get more money compare to other accounts.

                              And in this type of account we get interest on the interest amount also on the daily basis. So we get more amount on this type of account other than the other accounts. so these account are the best for interest purposes

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Mika and her two best friends are all dressing up as superheroes for Halloween this year. Their costumes are almost ready, but e
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3 years ago
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3 years ago
The table shows the annual profits (in thousands of dollars) of a county fair from 2013 to 2016. What must the 2017 profit be (i
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8 hundred dollars

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The break even value means zero profit or loss over the five years period. So if 2017 profit is x, then we get:

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7 0
3 years ago
Is (-5,6) a solution for 4x + 3y = 9
ozzi

Answer:

No.

Step-by-step explanation:

Insert the x and y, (-5 is x and 6 is y) into the equation. It should look like 4(-5)+3(6)=9. 4(-5)=-20 and 3(6)=18. -20+18=2 not 9.

(hope this helps :P)

5 0
3 years ago
Read 2 more answers
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