Hello!
The denominators are equal, so we can simply combine the numerator:
Combine like terms in the numerator:
Factor out 2 from the entire fraction:
Cancel out 2 from both the numerator and denominator:
Factor the numerator to simplify further:
Cancel out x - 1:
Let x = width of border
Area is given to be 7 square feet or 49.
49 = (2x + 2)(2x + 4)
Solve for x.
Answer:
-8.57142857143
Step-by-step explanation:
-8.57142857143
Answer:
a) 7 numbers in term of n = n+1, n+2, n+3, n+4, n+5, n+6 and n+7
b) n+1+n+2+n+3+n+4+n+5+n+6+ n+7
= 7n+28
Step-by-step explanation:
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