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Alexxx [7]
3 years ago
5

sam went to western playland he paid $20 to get in and $5 per ride.He has a total of $50 to spend wich equation can we use to se

e how many rides same can ride​
Mathematics
1 answer:
Leya [2.2K]3 years ago
5 0

Answer:

the equation 20+5r=50 should help you see how many rides he can ride.

Step-by-step explanation:

20+5r=50

1. <em>Subtract 20 from both sides. </em>

5r=30

2. <em>Divide by 5 to isolate r.</em>

r=6

Sam can ride 6 rides.

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kipiarov [429]

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4 0
3 years ago
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Answer:

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Step-by-step explanation:

Given that,

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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)

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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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3 years ago
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salantis [7]
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5 0
3 years ago
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