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kirill115 [55]
3 years ago
7

Please explain and answer correctly!! George flips a colored chip that is red on one side and black on the other a total of 20 t

imes. What is the probability of the 21th flip resulting in landing on the black side up?
Mathematics
2 answers:
sergejj [24]3 years ago
7 0

Answer:

The chip has no memory so the probability is just 1/2.

Lapatulllka [165]3 years ago
4 0

The answer is 1/2 because there are two sides and the other 20 flips don't matter for the 21 flip.

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Mary has to choose between a job and learning French during summer
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Answer:

To develop a molecular clock, you need to find which of the following?

a sequence of molecules

the rate at which changes occur in a type of molecule

how much total change has occurred in a type of molecule from two different species

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Step-by-step explanation:

To develop a molecular clock, you need to find which of the following?

a sequence of molecules

the rate at which changes occur in a type of molecule

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4 0
3 years ago
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abruzzese [7]

Answer:

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3 years ago
5. The scatterplot below shows data for the nine french fry orders from the previous problem, with
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3 years ago
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The best and most correct answer among the choices provided by your question is the fourth option or letter D. The expression that represents Graham's sales is 2a − 6. Twice the sales of Adrianne, deducted by 6 should be Graham's sales.

Hope this helps!

6 0
4 years ago
Robert packed 1,320 cookies into packets of 22 each. He sold all the cookies at $2 per packet. How much money did he make?
cestrela7 [59]
He made $120.
You divide 1,320 by 22. That gives you 60. Then you times 60 by 2(which equals 120) because 60 represents the packets and he made 2 dollars per packet.
Mathematically the steps look like this: 
1,320/22
=60 
60(2) or 60 x 2
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hope this helped!
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4 years ago
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