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DerKrebs [107]
2 years ago
13

Larry has 50 marbles. Ben has m marbles. If Larry has 100 times as many marbles as Ben, write an equation that shows how many ma

rbles Ben has.
(m represents a number and plz help!)
Mathematics
2 answers:
chubhunter [2.5K]2 years ago
5 0
The answer is 5,000 hope this helps
ratelena [41]2 years ago
3 0
Larry = 50
Ben = m

100m = 50
m = .5
So ben has half a marble. Which makes no sense, unless i did it incorrectly. 

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Answer:

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Given that,

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For the second 9 holes Y:

E(Y) = 80

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For the sum W=X+Y, the following properties holds for means , variance and standard deviation :

E(W)=E(X)+E(Y)

     and

V(W)=V(X)+V(Y)

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∴SD(W)=\sqrt{SD^2(X)+SD^2(Y)}

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Therefore the mean and standard deviation of his total score if he plays a full 18 holes are 160 and 11\sqrt2 respectively.

                                               

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