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Murljashka [212]
2 years ago
14

Can someone help with number 13

Mathematics
2 answers:
makvit [3.9K]2 years ago
8 0
5x^(-3)/2x^(-6) = 5x^(-3) * 2x^6 = 10x^3….
Nesterboy [21]2 years ago
5 0

Step-by-step explanation:

what is so special about 13 ?

the other problems you understand and can do ?

and then you don't understand 13 ?

that is really strange.

anyway, remember, when dividing by a term with exponent we subtract that exponent.

in other words we have

5/2 × x^(-3 - -6) = 5/2 × x^(-3 + 6) = 5/2 × x³ = 5x³/2

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You have 100 quarters in a jar. One of the quarters is double sided (heads). You pick out a random quarter and flip it 7 times,
zysi [14]

Answer:

Probability of having the double sided coin is 1 %

Probability of getting heads on the next flip is 50%

Step-by-step explanation:

Based on the information given to us in the question we have a total of 100 coins in the bag and only 1 is double heads. Therefore the probability of you picking the double sided coin is \frac{1}{100} or 1 % . This probability is not affected by the fact that the coin you chose got heads 7 times in 7 flips.

Since a coin has 2 sides and you do not know whether the coin you have is the double sided coin then you have to assume that it is a normal 2 sided coin. Therefore a normal 2 sided coin has a probability of \frac{1}{2} or 50% with every flip of getting heads.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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3 years ago
Is .2 the same as .2000
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