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Otrada [13]
3 years ago
14

The combined yearly interest for x dollars invested at 13% and 20,000-x dollars invested at 8% is

Mathematics
1 answer:
Marina CMI [18]3 years ago
5 0

Answer:

  total = 1600 +0.05x

Step-by-step explanation:

I = Prt

You want the sum of the interest from the two investments. The interest at 13% is ...

  I = Prt = x(0.13)(1) = 0.13x

The interest at 8% is ...

  I = Prt = (20000-x)(0.08) = 1600 -0.08x

Then the total interest earned is ...

  total = 0.13x + (1600 -0.08x)

  total = 1600 +0.05x

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pentagon [3]
Sarahtime  (min)                    {3 }       5      12    17
distance (meters)        {75}      125   300  425

Eva time  (min)                     {2}    7      10    20
distance (meters)         {52}  182   260  520

 

Sarah:meters over min =75 over 3 = 25 over 1
25 meters per min


Eva :meters over min= 52 over 2 =26 over 1
 26 meters per min

eva is the faster swimming because 26 meters per min is faster then 25 meters per min .

i hope this help












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2 years ago
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frosja888 [35]
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2 years ago
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Answer:

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