1+3+5+7+...+999 =
= 1+2+3+4+...+500
+1+2+3+...+499
= 2·(1+2+3+...+499) + 500
= 2·(499·500)/2 + 500
= 499·500 + 500
= 500·(499 + 1)
= 500·500
= 250.000
1: <span>Commutative Property
2: </span><span>Distributive Property
3: </span><span>Associative Property
I think that that is the right order. :D</span>
The probability of compound events combines at least two simple events, either the union of two simple events or the intersection of two simple events.
Answer:
1. b < -2 or b > 2
Step-by-step explanation:
|b| > 2
you get 2 solutions, one positive and one negative
remember to flip the inequality for the negative
b>2 or b<-2
Answer:
Idk but have fun answering them im sorry
Step-by-step explanation: