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kolbaska11 [484]

4 years ago

7

Carbon-14 has a half-life of approximately 5400 years

1 answer:

Lapatulllka [165]4 years ago

4 0

Answer:

Step-by-step explanation: guess

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Karen is 6 years older than her sister Michelle, and Michelle is 2 years younger than their brother David. If the sum of their a

ale4655 [162]

$K\ \rightarrow\ the\ Karen's\ age\\M\ \rightarrow\ the\ Michelles\ age \\D\ \rightarrow\ the\ David's\ age\\\\K=M+6\\M=D-2\ \ \ \Rightarrow\ \ \ D=M+2\\K+M+D=62\\\\(M+6)+M+(M+2)=62\\3M+8=62\\3M=54\ /:3\\M=18\ \ \ \Rightarrow\ \ \ K=18+6=24\ \ \ and\ \ \ D=18+2=20\\\\Ans.\ Michelle\ is\ 18,\ David\ is\ 20,\ Karen\ is\ 24.$

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3 years ago

Which equation represents this situation

EastWind [94]

Answer:

Need more information

Step-by-step explanation:

To answer your question, I need to know what equation you're looking at. If you could update your post with a picture or graph that'd be great.

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3 years ago

Please help me there is a picture below,will mark you as brainlest!<br> Thank You :)

Anna11 [10]

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The answer is no

Step-by-step explanation:

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3 years ago

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I am Lyosha [343]

Answer:

x= y^2 -6y

Step-by-step explanation:

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