a 22 gram sample of a substance thats used to preserve fruit and vegetables has a k value of 0.1011. find the half life rounded
to the nearest tenth
1 answer:
K value = natural log (.5) / half-life
half-life = natural log (.5) / k value
half-life = -.693147 / 0.1011
half-life =
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6.8560534125
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I'd say the k value should be negative AND it should have units.
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Answer:
21/18 which simplifies to <u>7/6</u>
Step-by-step explanation:
The answer is 1.5 months
explanation:
5/2 = 2.5
15/4 = 3.75
2.5 per month
3.75 per x months
x = (3.75×1)/2.5
x = 3.75/2.5
x = 3/2 = 1.5 months
Dividing by 100 shifts each digits two paces because 100 has two zeros.
Each 0= a digit shifts to the right
hope this helps c:
This is a weird question but I believe sense you did bring the money then you are going to buy lunch.
Answer:
D. 25.3
Step-by-step explanation:
tan∅ = opposite over adjacent
Step 1: Write equation
tan66.5° = x/11
Step 2: Multiply both sides by 11
11tan66.5° = x
Step 3: Evaluate
x = 25.2983
x ≈ 25.3
