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dusya [7]
3 years ago
15

How many edges does a pyramid have?

Mathematics
2 answers:
polet [3.4K]3 years ago
7 0
A pyramid has 8 edges
alexira [117]3 years ago
6 0
The pyramid has 8 edges
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Lydia has half of her investments in stock paying an 11% dividend and the other half in a stock paying 14% interest. If her tota
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Based on the calculations, the amount of money she invested is equal to $3,520.

<h3>How to determine the amount invested?</h3>

First of all, we would assign variables to the amount of money that he invested at different interest rates as follows:

  • Let x be the amount of money she invested at 11%.
  • Let y be the amount of money she invested at 14%.

Since Lydia invested the same amount of money in both stocks, we have:

x = y     ....equation 1.

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0.11x + 0.14y = 440     ....equation 2.

Solving the equations simultaneously, we have:

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y = $1,760.

Thus, the total investment is given by:

Total investment = 1760 + 1760

Total investment = $3,520.

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The ratio of red apples to green apples on a farm is 3:1. If there are 180 red apples on the farm, how many green apples are the
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