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Anettt [7]
3 years ago
12

17.

Mathematics
1 answer:
eduard3 years ago
4 0

Answer:  C. c = 23d + 11

I'm gonna go with c = 23d + 11

Step-by-step explanation:  c = 23d + 11

kikdddd

17 answers

2K people helped

its c hope that helps text me back if you want to know why it is.

...................................................................................................................................................

c is your answer

hope this helps

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A scientist begins with 250 grams of a radioactive substance. After 250 minutes, the sample has decayed to 32 grams. Rounding to
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Answer:

Part 1 : A=250 e^{-0.008223t}

Part 2 : Half life is 84 minutes ( approx )

Step-by-step explanation:

Part 1 : Suppose the function that shows the amount( in grams ) of the substance after t minutes,

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32 = A_0 e^{250k}

32 = 250 e^{250k}

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\ln(0.128) = 250k

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Hence, the equation that shows this situation,

A=250 e^{-0.008223t}

Part 2 : If A = 250/2 = 125,

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0.5 = e^{-0.008223t}

Taking ln both sides,

\ln(0.5) = -0.008223t

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8 0
3 years ago
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                                           ^
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x = 89

**To find the last angle: 89 + 43 + x = 180 => Triangle Sum Theorem states that the interior angles of a triangle add up to 180. The last angle would be 48.**

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3 years ago
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