Mathematics, 12.10.2019 18:30 lolo15xxx
Radioactive uranium-235 has a half-life of about 700 million years. suppose you find a rock and chemical analysis tells you that only one sixteenth
of the rock's original uranium-235 remains. how old is the rock?
a.
2.8 billion years old
b.
1.4 billion years old
c.
175 million years old
d.
2.1 billion years old
e.
3.5 billion years old
f.
350 million years old
Answers: 3
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How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence
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Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done
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Mathematics, 21.06.2019 16:00
Three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder ( ! : ”0 )
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Mathematics, 21.06.2019 17:00
The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?
Answers: 2
Radioactive uranium-235 has a half-life of about 700 million years. suppose you find a rock and chem...
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