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Anna11 [10]
2 years ago
14

Please do a and b and explain

Mathematics
1 answer:
Blizzard [7]2 years ago
4 0

This is a decay problem,

The equation is written as start value x (1 - rate)^tike

Using the information given in the problem:

a) Total = 120(1-0.12)^Hours

b) Replace hours with 19 and solve:

Total = 120(1-0.12)^19

Total = 120(0.88)^19

Total = 10.57674 mg

Round the answer as needed.

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2x + 8 = 3x + x + 18<br> how do i solve this
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Answer:

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2 years ago
Suppose cos(O) = 12/13, Quadrant I. Find sin(O).<br> A:13/12<br> B:5/13<br> C:13/5<br> D:5/12
noname [10]

Answer:

B: 5/13

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Hope this helps

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2 years ago
How do you write 140% as a fraction?
riadik2000 [5.3K]
% means out of a hundred. So, 140% should be 140/100.
8 0
3 years ago
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A serving of a certain cereal has 8 grams of sugar in 1 portion. Which equation shows how the amount of sugar and the number of
elena-14-01-66 [18.8K]
I love this kind of problems 
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