Answer:
Step-by-step explanation:
n² + 3n - 18 = 0
n = [-3 ±√(3²-4(1)(-18)]/[2(1)] = [-3 ±√81]/2 = 3, -6
Answer:
D
Step-by-step explanation:
Using the sine ratio in the right triangle
sin B =
=
=
, thus
B =
(
) ≈ 12.84° → D
9+7=16 and 5+8=13
Hope i helped, please leave a thanks! Thanks!
Well, it depends. will you show us the homework?
Answer:
(1, 7)
Step-by-step explanation:
Substitute x = 1 into the equation for the corresponding value of y
y = 2x + 5 = (2 × 1) + 5 = 2 + 5 = 7
Solution is (1, 7)