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pickupchik [31]
3 years ago
8

The geologist determines there is 78.3% of the parent remaining in the sample that they examine. How old is the sequence of rock

s?
a. 187.5 million years
b. 247.8 million years
c. 390.7 million years
d. 2.504 billion years
e. 1.588 billion years
f. 1.202 billion years
Geography
1 answer:
GaryK [48]3 years ago
4 0

Answer:

e. 1.588 billion years

Explanation:

the sequence of rocks IS 1.588 billion years

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Read 2 more answers
Find the length of the missing leg of a right triangle given a leg of length 15 and a hypotenuse of length 17. Leave your answer
Alex Ar [27]
Using Pythagorean's Theorem of a^2+b^2=c^2, with a and b being two legs and c being the hypotenuse.
 You can find that the leg(15) squared is 225. The hypotenuse(17) squared is 289.
289-225=64
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6 0
3 years ago
The lengths of the sides of triangle XYZ are written in terms of the variable m, where m ≥ 6.
Anika [276]

Option B is correct. The correct sequence regarding the angles of the triangle is mAngleY < mAngleZ < mAngleX

Given the length of the triangle expressed as;

XY = m + 8

YZ = 2m + 3

ZX = m - 3

According to the triangular theorem, the third side of the triangle is less than the sum of the other two sides, hence:

ZX < XY + YZ

m - 3 < m + 8 + 2m + 3

m - 3 < 3m + 11

m - 3m < 11 + 3

-2m < 14

m > -14/2

m > -7

Assuming that m = 6, since 5 > -7

ZX = m - 3

ZX = 6 - 3

ZX = 3

XY = m + 8

XY = 6 + 8

XY = 14

YZ = 2m + 3

YZ = 2(6) + 3

YZ = 12 + 3

YZ = 15

From the solutions, we can see that ZX < ZX < YZ, hence mAngleY < mAngleZ < mAngleX

Learn more here: brainly.com/question/21638276

8 0
3 years ago
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