Ruby is visiting san francisco. from her hotel she walks 2 blocks west and 3 blocks south to a coffee shop. then she walks 7 blocks east and 4 blocks south to a museum. where is the museum in relation to her hotel?

i included how the second part of the question below

Museum is 5 blocks east and 7 blocks south from Ruby's hotel.

Step-by-step explanation:

Let Ruby's hotel location be at point (0,0).

West = negative x-direction

East = positive x-direction

North = positive y-direction

South = negative y-direction

1. From her hotel she walks 2 blocks west and 3 blocks south to a coffee shop. Then her location is at point (-2,-3)

2. Then she walks 7 blocks east and 4 blocks south to a museum. Then her location is at point (-2+7,-3-4) that is (5,-7)

So, museum is 5 blocks east and 7 blocks south from Ruby's hotel.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

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step-by-step explanation: