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Lera25 [3.4K]
3 years ago
7

You have 2 different savings accounts. For Account​ A, the simple interest earned after 3 months is $0.90. For Account​ B, the s

imple interest earned after 18 months is $22.50. If the interest rate is 3.6%for Account A and 2.5% for Account​ B, how much is the principal in each​ account? Which account earned you the most interest the first​ month? Explain your answer.
Account A has a principal of ​$BLANK. (Round to the nearest dollar as​ needed.)
Mathematics
1 answer:
elixir [45]3 years ago
5 0
You have to round it to 21 which is the answer
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Step-by-step explanation:

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Blizzard [7]

Answer:

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1 year ago
How to find the surface area of a trapizoid formula, maybe walkthrough if possible?
TEA [102]
Trust me, it's really easy!
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3 years ago
A rectangle with an area of 4/7 meters squared is dilated by a factor of 7. What is the area of the dilated rectangle?
nikklg [1K]

Answer:

49

Step-by-step explanation:

Every time you multiply both sides of a rectangle by a number x, its area if multiplied by x^{2}.

In our example:

Area of a rectangle = width . length

width = 4

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A_{1} = 4 . 7 = 28

When you multiply both sides by 7:

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A_{2}  = 28 . 49

A_{2}  = 1372

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Both sides multiplied by 7 => Area multiplied by 7^{2}

Got it?

;-)

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3 years ago
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