Question

If the mean of 6,7,x,8,y,14 is 9, then__
a) x+y = 21
b)x+y = 19
c) x-y = 19
d) x-y = 21

Answer 1

Answer:

a)X+Y=19

Step-by-step explanation:

35+X + Y/6= 9

X+Y= (9*6)-35= 19

Answer 2

Answer:

6+7+x+8+y+14=19

b) 35+x+y/6=19

if x+y=19

then, 35+19/6=19

54=19*6

54=114

mean=2.11

a)35+x+y=19

if x+y=21

46/6=19

46=114

114/46

mean=2.47

I DON'T KNOW C) AND D)

Step-by-step explanation: