What if someone has 8 necklaces .One fourth of the necklace are blue .How many necklaces are blue?
2 answers:
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The life span would be 24 months.
The formula for z-scores is:
Using the information we're given we have:
Multiply both sides by 8 to cancel it:
-3(8) = ((X-48)/8)*8
-24 = X-48
Add 48 to both sides:
-24+48 = X-48+48
24=X
The formula for z-scores is:
Using the information we're given we have:
Multiply both sides by 8 to cancel it:
-3(8) = ((X-48)/8)*8
-24 = X-48
Add 48 to both sides:
-24+48 = X-48+48
24=X