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Ksenya-84 [330]
3 years ago
15

Please help ASAP! I will mark BRAINLIEST!! Please answer correctly! No guessing!

Mathematics
2 answers:
netineya [11]3 years ago
8 0

Answer:

exponential decay

Step-by-step explanation:

If the amount is 1/2 every half hour, it is getting smaller, so it is decreasing, leaving choices a and b

We start with 100 items

100, 50 ,25, 12.5

this is not linear so it must be exponential decay

leva [86]3 years ago
5 0

Answer:

exponential decay...................

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She made the mistake of grouping unlike terms and factorizing.

Given that

Helene is finding the sum (9 + 10i) + (–8 + 11i).

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According to the question

The mistake she did is in the second term distributing.

(9+10i) is not equal to (9+10)i

Similarly (-8+11i) is not equal to (-8+11)i.

The correct method she should have done is given below;

Grouping real terms together and imaginary terms together and finding the sum is,

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brainly.com/question/10078818

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