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bonufazy [111]
3 years ago
8

PLEASE HELP PICTURE IS SHOWN

Mathematics
1 answer:
Alik [6]3 years ago
6 0
Use the pythagorean theorem. You should come out with C. Hope this helps!
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i dont what it could be but my uncle said it was 32 but i dont know if its correct

Step-by-step explanation:

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Write an expression.. NO LINKS <br> NEED HELP ASAP!!!
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Answer:

-10.50*3

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What is 585.055 rounded to the nearest tenth
Svetradugi [14.3K]
Rounded to the nearest tenth is 585.1
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A file that is 228 megabytes is being downloaded. If the download is 12.4% complete, how many megabytes have been downloaded? Ro
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3 0
3 years ago
A rock outcrop was found to have 95.82% of its parent U- 238 isotope remaining. Approximate the age of the outcrop. The half-lif
mixer [17]

Answer:

A) 277 million years

Step-by-step explanation:

Here, decay of U-238 is first order reaction. (since most of the nuclear decays are first order).

so, the equation t = \frac{1}{k} × ln(\frac{A(0)}{A})

where, t = time from start of reaction

           k = reaction constant

           A(0) = initial concentration; A = present concentration.

     ⇒ 4.5 billion = 4500 million years = \frac{1}{k}× ln2.

Now, given 95.82% of parent U-238 isotope is left.

⇒ t = \frac{1}{k} × ln(\frac{A(0)}{A})

  t = \frac{4500}{ln2} × ln(\frac{100}{95.82})

⇒ t ≅ 277 million years.

5 0
3 years ago
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