2x^2 if x=1/8 is 1/16
4x^2 if x=1/8 is 1/2
subsitute x = 6 into the lengths
3(6) -7
18 - 7
11cm
(6) + 5
11cm
therefore it is a square when x = 6 because the sides are all equal
Answer:
n = -2 or n = 10
Step-by-step explanation:
n^2 - 8n - 20 = 0
<span>it is 21.4285714286 but you can just put it as 21.42
</span>
Answer:
<h2><em><u>2a</u></em></h2>
Step-by-step explanation:
(a+b-c)-(b-a-c)
= a + b - c - b + a + c
= a + a + b - b - c + c
= <em><u>2a (Ans)</u></em>
