Answer:
41
Step-by-step explanation:
n+(-16)=25
n-16=25
Add 16 to both sides to isolate the variable
n=41
Answer:
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Answer:
2 in 52.3
Step-by-step explanation:
the two in 52.3 represents 2
42.6℅ of 230
=(426/10)℅ of 230
=(426×230)/1000
=97980/1000
=97.980
=97.98
To find the variance, you must square the standard deviation, or <span>σ.
</span>
<span>σ = 23.9
The variance is
</span>
<span>σ²= 23.9² = 571.21
</span>
