Let a,b,c,d and e are five numbers
mean = (a +b+ c+ d+e)/5 = 30
⇒ (a +b+ c+ d+e) = 150_______(1)
now, Let the number excluded be a
then, new mean = (b+ c+ d+e)/4 = 28
⇒ (b+ c+ d+e)= 112
putting this value in (1),
⇒a + 112 = 150
⇒a = 150 -112 = 38
excluded number = 38
Answer:
32.1869
Step-by-step explanation:
Formula :
for an approximate result, multiply the length value by 1.609
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Answer:
y=8
x=8
Step-by-step explanation:
y=2y-8
-y=-8
y=8
x=8
I think the answer it would be D
Answer:
ok thank you
Step-by-step explanation:
