Sandy works at a clothing store.She makes $8 per hour plus 10% commission on her sales.She worked 79 hours over the last two wee
1 answer:
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Answer:
3
Step-by-step explanation:
And,
$ \sum (2i+1)= \sum (2i)+ \sum_{i=1} ^{4} (1) $
$=\sum_{i=1} ^{4}(2i) + 1+1+1+1 $
$=\boxed{\Big(\sum_{n=1} ^{4}(2n)\Big) +4}.... \text{Variable in Summation doesn't matter}$
Hence the difference is 3.
It is a very simple answer but it works!
Answer:
see explanation
Step-by-step explanation:
A cube has 6 congruent square faces
The area of 1 face = ×
=
Multiply by 6 to obtain surface area of cube
surface area = 6 × =
=
units²