There are
80
students in a speech contest. yesterday,
1
4
of them ga...
![subject](/tpl/images/cats/mat.png)
Mathematics, 19.08.2019 05:30 daigle18383
There are
80
students in a speech contest. yesterday,
1
4
of them gave their speeches. today,
2
5
of the remaining students gave their speeches. how many students still haven't given their speeches?
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
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He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?
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![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
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