Answer:
radius = 11
Step-by-step explanation:
The equation of a circle in general form is
x² + y² + 2gx + 2fy + c = 0
with radius =
x² + y² - 20x + 14y + 28 = 0 ← is in general form
with 2g = - 20 ⇒ g = - 10
2f = 14 ⇒ f = 7 and c = 28, thus
radius = = = = 11
Answer:
1 to the -2 power
Step-by-step explanation:
9 is itself a multiple of 3, so the least common multiple of 3 and 9 is 9 itself
I think it's this answer <span>C.A high voltage current can be transformed into a low voltage current.</span>