Answer:
4
Step-by-step explanation:
If all were measure 5, the perimeter would be 30. The perimeter is 4 more than that. Each side that is 6 instead of 5 adds 1 to the perimeter, so there are 4 sides of length 6.
_____
<em>Check</em>
2×5 + 4×6 = 10 + 24 = 34 . . . . the answer checks OK
She is incorect because
(a+b)^2 =a^2 +b^2+ 2ab
a + b
____###### If we sqare this will get:
____######
|.a^2|. ab |
|___ |######
# #. #
# ab #. b^2 #
#___ ######
Answer:
35
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
Substitute 8 in place of x
f(x) = 2*8-7
f(x) = 9