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STatiana [176]
3 years ago
8

An element with a mass of 810 grams decays by 29.3% per minute. To the nearest minute, how long will it be until there are 10 gr

ams of the element remaining?
Mathematics
1 answer:
lakkis [162]3 years ago
6 0

Answer:

13

Step-by-step explanation:

i got it wrong but this was the correct answer

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Evgen [1.6K]

Answer:

see below

Step-by-step explanation:

Since RT bisects QRS

1/2  QRS = TRS

1/2 ( 9x+214) = -9x+53

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Subtract 214 from each side

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