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larisa86 [58]
3 years ago
12

Robert is going to invest $640 and leave it in an account for 20 years. Assuming the interest is compounded quarterly, what inte

rest rate, to the nearest hundredth of a percent, would be required in order for Robert to end up with $1,280?
Mathematics
1 answer:
ollegr [7]3 years ago
5 0

Answer:

Interest rate ≈ 3.48%

Step-by-step explanation:

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Write the base-ten number for 400 + 50+ 1.​
TiliK225 [7]

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451

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Help me pls. So what is 8y-I​
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In this problem, "y" represents the integer that must be found or figured for. When a number and a representation are written this way, i.e. "8y", you must mulitply them. If there is more information, you can figure for "y". If there is no other information, "y" is simplied and the end result is "8y".

And I not sure what - 1 is but it might be subtraction.

3 0
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What’s the answer to -6( 7/6) + 2( 1/3)
Alexxandr [17]

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3 years ago
What is 1/2=q+2/3<br> help
alexandr1967 [171]

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7 0
2 years ago
Choose the ratio equivalent to 10/9
satela [25.4K]
<h3>Answer:</h3>

30/27, 20/18...

<h3>Solution:</h3>
  • There are <em>infinitely many ratios equivalent to 10/9.</em>
  • Here are <em>some </em>of them:
  • 30/27
  • 20/18
  • 100/90
  • 60/54

Hope it helps.

Do comment if you have any query.

3 0
2 years ago
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