Answer:
(3x + 1)²
Step-by-step explanation:
Given
9x² + 6x + 1 ← is a perfect square of the form
(ax + b)² = a²x² + 2abx + b²
Compare like terms to find a and b
a²x² = 9x² ⇒ a² = 9 ⇒ a =
= 3
b² = 1 ⇒ b =
= 1
and 2ab = 2 × 3 × 1 = 6
Thus
9x² + 6x + 1 = (3x + 1)²
The answer of -30+10 is -20
-30+10=-20
Answer:
answer is a
Step-by-step explanation:
the volume is everything on the inside of the tank
surface area would only be the amount of water it take of cover one side
area would just be the size of the glass on bottom
the perimeter would just be the length of all four edges of each side of the fish tank
The are you have selected
Answer:
I think it’s 95 debit but it could be credit
Step-by-step explanation:
75 + 80 = 155
155 - 60 = 95