(Image) Use Pythagorean Theorem to find the length of the missing side of this right triangle to the nearest tenth.

The missing side is 10.25

Step-by-step explanation:

Step 1: Use Pythagorean Theorem

Therefore the missing side is 10.285

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