Hiya!
The answer is: quadrilateral
Every side of a quadrilateral are parralle and has the same length.
A quadrilateral is a 2-dimensional closed shape with four straight sides.
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The amount of substance left of a radioactive element of half life,
after a time, t, is given by:
Given that <span>potassium-40 has a half life of approximately 1.25 billion
years.
The number of years it will take for 0.1% of potassium-40 to remain is obtained as follows:
Therefore, </span><span>the maximum age of a fossil that we could date using 40k is
12.5 billion years.</span>
If you add 6% your answer would be $<span>51.41 hope it helps <3</span>
Answer:
The answer is 4
Step-by-step explanation:
2x + 5 = 13
Now, Subtract 5 from both side we get,
2x + 5 - 5 = 13 - 5
2x = 8
Then, Divide both side by 2 we get,
2x/2 = 8/2
x = 4
Thus, The answer is 4
<u>-TheUnknownScientist</u><u> 72</u>
Hello
The answer is C because you multiply 2 •2•2•2 and get 16 then add the negative and get -16
Hope this helps
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