Answer:
Option A. $17.28
Step-by-step explanation:
we have the expression for the cost
In this problem we havesubstitute the given values in the expression to obtain the cost
Answer:
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Answer:
14a^2
Step-by-step explanation:
3a^2+4a^2+7a^2
Combine like terms
Factor out a^2
a^2(3+4+7)
a^2(14)
14a^2
Use the pythagorean theorem formula: a^2 + b^2 = c^2
c is the longest side of a triangle.
Plug 14 and 11 into a and b and find c.
14^2 + 11^2 = c^2
196+121=317
Square root it.
and you get square root of 317
