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
Mathematics, 21.06.2019 14:50
Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5
Answers: 1
Mathematics, 21.06.2019 15:30
What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem
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Mathematics, 21.06.2019 16:00
Find the solution set of this inequality. select the correct graph. |8x+16|> 16
Answers: 1
Mathematics, 21.06.2019 18:30
The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125
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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