Mathematics, 23.07.2019 01:50 anjali9788
The half-life of carbon-14 is 5600 years. if a piece of charcoal made from the wood of a tree shows only 66% of the carbon-14 expected in living matter, when did the tree die?
Answers: 1
Mathematics, 20.06.2019 18:04
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=4 and bc=3, find ah, ch and bh.
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Mathematics, 21.06.2019 16:50
An angle that measures between 90 and 180° is called a(,
Answers: 2
Mathematics, 21.06.2019 18:30
The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?
Answers: 3
The half-life of carbon-14 is 5600 years. if a piece of charcoal made from the wood of a tree shows...
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