Answer:
Step-by-step explanation:
x² - 2x + y² - 4y - 4 = 0
x² - 2x + y² - 4y = 4
complete the squares
(x² - 2x + x₀) + (y² - 4y + y₀) = 4
the unknown number will be the square of half of the x¹ coefficient
(x² - 2x + 1) + (y² - 4y + 4) = 4 + 1 + 4
(x - 1)² + (y - 2)² = 9
This tells us that the circle is centered on (1, 2)
Which is also a point on the diameter
2x - y + a = 0
a = y - 2x
a = 2 - 2(1)
a = 0
Answer:
formula is 6a²= surface area
but since one side is not being painted it is
5a²= surface area
5(3.2)²
=51.2cm
Answer: Can we see a picture
Step-by-step explanation:
Answer:
Which of the following ratios is equivalent to 5/8 ?
A) 16 : 10
B) 5 to 13
C) 25/44
<u>D) 15 out of 24</u>
Step-by-step explanation:
5 : 8
(×3)
15 : 24
Answer:
−7(x + 3) + 8(1 + 8x)=57x - 13
Step-by-step explanation:
