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LenaWriter [7]
3 years ago
14

Can someone answer this for me?

Mathematics
2 answers:
Sophie [7]3 years ago
7 0

Answer:

D 26

Step-by-step explanation:

154+154=308

308-360=52

52 divided by 2

=26

Hatshy [7]3 years ago
4 0

Answer:

Hello!!! Princess Sakura here ^^

Step-by-step explanation:

I'm not sure if my way of doing it is the way your teacher wants it solved but I would do...

150+150+x=360

so now we just have to solve the equation...

308+x=360\\x=52

ok and now before you judge me that still isn't the answer we still have to divide the 52 by 2 because 52 is the sum of both the smaller angles, so you'll get...26°

choice D

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The question is incomplete, here is the complete question:

Recall that m(t) = m.(1/2)^t/h for radioactive decay, where h is the half-life. Suppose that a 500 g sample of phosphorus-32 decays to 356 g over 7 days. Calculate the half life of the sample.

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The equation used to calculate the half life of the sample is given as:

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