Is the following relation a function? (1 point) yes no

Mathematics

1 answer:

IRINA_888 [86]3 years ago

3 0

Answer:

yes I believe it is a function

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The half-life of cesium-137 is 30 years. Suppose we have a

VMariaS [17]

(a) If $y(t)$ is the mass (in mg) remaining after $t$ years, then $y(t) = y(0) e^{kt}=100e^{kt}.$

$y(30) = 100 e^{30k} = \frac{1}{2}(100) \implies e^{30k} = \frac{1}{2} \implies k = -(\ln 2) /30 \implies \\ \\
y(t) = 100e^{-(\ln 2)t/30} = 100 \cdot 2^{-t/30}$

(b) $y(100) = 100 \cdot 2^{-100/30} \approx \text{9.92 mg}$

(c)
$100 e^{- (\ln 2)t/30} = 1\ \implies\ -(\ln 2) t / 30 = \ln \frac{1}{100}\ \implies\ \\ \\
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3 years ago

Fdnshshbbebebbeebhhh

scoray [572]

Answer:

weshdfiuashfiHFEhihidohfoiehfoih;ehfehfuhfhhosdhh

Step-by-step explanation:

hope this helped :)

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2 years ago

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On a biology test, Travis got 29 questions correct but did not pass. On a second attempt, he got 38 questions correct. What was

maxonik [38]

Answer:
We know that his first attempt he got 29 questions correct, yet he didn’t pass & the second attempt he got 38 questions correct.
So, If i’m not wrong the percentage increase is 10% [Rounded].

Explanation:
38 - 29 = 9
9 rounded to the nearest tenth is 10%.
Forgive me if I’m wrong, good luck! ^^

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<h3>Perimeter</h3>