By Pythagoras’ theorem,
BD square= AB square + BC square
BD square= 3.15 square + 1.77 square
BD Square=13.0554
BD= square root 13.0554
BD=3.61 (to 3sf)
Answer:
A you can check it by substituting values into x like 5 and 6 then compare the E(X) value
13/22 It is asking the reciprocal.
Answer:
About 0.588.
Step-by-step explanation:
20 divided by 34 is 0.58823529411.
This rounds to 0.588.
Hope this helps!