0.64,-3.14 I’m not really sure about the -3.14. (Sorry).
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
Answer:
c
Step-by-step explanation:
Answer:
I think it's still 2.8 because it's a rotation and it's the same shape.
Correct me if I'm wrong
