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kakasveta [241]
3 years ago
15

Hey guys please help me! Very appreciate it

Mathematics
1 answer:
Zanzabum3 years ago
4 0

Answer:

30.9

Step-by-step explanation:

.

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A toxic radioactive substance with a density of 2 milligrams per square centimeter is detected in the ventilating ducts of a nuc
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Answer:

60.5 milligrams per square centimeter First, determine how many half lives have expired by dividing the time by the half-life. So: 55/20 = 2.75 That means that only 2^(-2.75) = 0.148650889 = 14.8650889% of the original substance remains. So just divide the amount remaining by 0.148650889 to get the original amount. 9 / 0.148650889 = 60.5445419 So originally, there was 60.5 milligrams per square centimeter 55 years ago.

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4 years ago
complete each statement with the appropriate measurement or symbol. 48 c = (fill blank) qt , 96 oz (fill blank) 5 lb , 6 yd, 1 f
DochEvi [55]

Answer:

48 cub = 12 Qt

96 Oz > 5 lb

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Step-by-step explanation:

Use the below key formula to convert the units.

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Hope this will help you to understand.

Thank you.

6 0
3 years ago
How far can you run in 5/7 of an hour if you run at a speed of 8 2/5 mph?
Mazyrski [523]
Answer: you can run 6 miles


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5 0
4 years ago
Find the sum of a finite geometric series.
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Sum of a finite geometric series=a(r^(n) -1)/(r -1)
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sum of a finite geometric series=a(1 - r^(n))/(1 - r)
the Smiths would spend a total of $2928.2 on clothing in 4 years
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Step-by-step explanation:

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700-30

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3 years ago
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