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Sliva [168]
3 years ago
11

Kelly earns $178.50 in interest on an account that earns simple interest at a rate of 4%. If she kept the money in the account f

or 5 years, how much was the principle amount?
Mathematics
1 answer:
Otrada [13]3 years ago
7 0

Answer:

  $892.50

Step-by-step explanation:

The amount of interest earned is given by ...

  I = Prt

Filling in the given values, we have ...

  $178.50 = P·0.04·5

Dividing by 0.20 gives ...

  $178.50/0.20 = P = $892.50

The principal amount in Kelly's account is $892.50.

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3 years ago
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I need help finding y
denpristay [2]

Answer:

y = 9.8995

Step-by-step explanation:

This question requires the use of basic trigonometry.

In this problem, we know one of the sides and two of the angles.

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You could use the soh cah toa mnemonic to figure it out, but here just using the a^2 + b^2 = c^2 should be sufficient since we know both legs of the triangle.

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Hope this helped!

4 0
3 years ago
WHat is 20/7 written as a decimal rounded to the nearest tenth?
S_A_V [24]
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If you are trying to round to the nearest tenth, the next decimal place (hundredths) is a 5, so you must round 2.8 up one more digit.

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Tcecarenko [31]

Answer:

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Step-by-step explanation:

Please mark as Brainliest! :)

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Answer:

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Step-by-step explanation:

Let x be the measure of the unknown acute angle.

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3 years ago
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