Which number sentence is not true?
1 answer:
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The standard deviation of the set of values (2, 3, 6, 9, 10) is <span>square root of 12.5 (</span>
) therefore OPTION C
25 a² + 20 ab + 4 b²
for formula
find u,v such that: u.v = a
and u+v = b then group according to
=
factor out 5a from :
factor out 2b from :
=
factor out :
=
Refine:
hope this helps!.
for formula
and u+v = b then group according to
=
factor out 5a from :
factor out 2b from :
=
factor out :
=
Refine:
hope this helps!.