Answer:
VERTICLE AXIS IS THE ANSWER
Step-by-step explanation:
BRAINLIEST PLEASE????
Answer:
sn = d/2·n^2 + (a - d/2)·n
sn = (-4)/2·n^2 + (19 - (-4)/2)·n = -441
- 2·n^2 + 21·n = -441
- 2·n^2 + 21·n + 441 = 0
n^2 - 21/2·n - 441/2 = 0
use pq-Formula
n = -10.5 ∨ n = 21
only n = 21 makes sense. So n = 21 is the correct answer.
11, 18,16, 21, 21, 23, 27, 31, 33, 33, 38, 39, 43, 44
The answer is C. (9,9,18)
A right triangle consists of two legs and a hypotenuse. The two legs meet at a 90° angle and the hypotenuse is the longest side of the right triangle and is the side opposite the right angle.