Answer:
Step-by-step explanation:
y=-1 ans.
x=2*-1=3
x=-2+3
x=1 ans.
Proof:
4*1-5*-1=9
4+5=9
9=9
Answer:847288609443
Step-by-step explanation:
You didn't share any options to choose that's why you didn't get the answer. Anyway, I think I know what you mean and if you have the same in your option list - that will be definitely helpful for you.
<span>
I am pretty sure that this one is</span><span>the name of the line segment in the diagram below
</span><span>--- </span>
TU
Answer:
E(X) = 0.64
Sd(X) = 0.933
Step-by-step explanation:
3(0.07) + 2(0.11) + 1(0.21)
E(X²) = 3²(0.07) + 2²(0.11) + 1²(0.21)
= 1.28
Var(X) = 1.28 - 0.64² = 0.8704
Sd = 0.933