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Feliz [49]
3 years ago
15

a 14 gram sample of substance used to preserve fruit and vegetables has a k- value of 0.1095 find substance half-life in days ro

und to the nearest tenth
Mathematics
1 answer:
belka [17]3 years ago
6 0

<u>Answer:</u>

t = 6.3 days

<u>Step-by-step explanation:</u>

The amount of initial mass is irrelevant when finding the half-life since the remaining mass is always 1/2 of the initial mass.

\frac { 1 } { 2 } = e ^ { ( - 0 . 1 0 9 2 t ) }

Taking l n on both the sides to get:

ln \frac { 1 } { 2 } = -0.1092t

t = \frac { l n \frac { 1 } { 2 } } { -0.01092}

t = 6.3475

t = 6.3 days

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Answer:

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Step-by-step explanation:

We factor out the 4 first since all numbers are divisible by 4. That leaves us with x^2+3x-18.

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8 0
3 years ago
What is the value of tanØ
mr_godi [17]

Answer:

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Step-by-step explanation:

cos ∅ = 7 / 25

sin^2 ∅ + cos^2 ∅ = 1

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Therefore, tan ∅ = 24 / 7

OPTION 4.   24 / 7

8 0
3 years ago
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aleksandr82 [10.1K]

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5 0
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Ilya [14]

Answer:

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Step-by-step explanation:

For this case we have the following data given:

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And replacing we got:

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