The answer would be 15. The average of 6, 7, 8, 9, and 15 is 9. Hope this helps.
Answer:
A=90°,B=90°,C=90°,D=90°
Step-by-step explanation:
all of the numbers A-D add up to 360°
Answer:
1/8
Step-by-step explanation:
There are 8 possible outcomes
HHH HHT HTT HTH TTT TTH THT THH
There is one with all three tails
P( three tails ) = all tails / total = 1/8
Answer:
C
Step-by-step explanation:
substitute -1 into all of the formulas, if both sides are equal, then it is correct, for C:
2(x-2)+6 = 0, sub -1
2(-1-2)+6=0, simplify and work out
2(-3)+6=0
-6+6=0
0=0
