4x^2+16x-4=? A. 2x(2x^2+8x-2) B. 2(2x^2+8-2) C. 4x(x^2+4x-1) D. 4(x^2+4x-1)
1 answer:
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The answer is 24 sides
because the total amount of the exterior angles of a polygon is 360.
so if each exterior angle has a measure of 15:
because the total amount of the exterior angles of a polygon is 360.
so if each exterior angle has a measure of 15:
Answer:
angle of depression ≈ 53.8°
Step-by-step explanation:
the angle of depression is the measure of the angle from the horizontal downwards from the top of the flag pole.
this angle is alternate to ∠ A and is congruent to ∠ A
using the sine ratio in the right triangle
sin A = =
, then
∠ A = (
) ≈ 53.8° ( to 1 d.p )
Angle of depression ≈ 53.8°
( - 45, 0)
to find the x-intercept let y = 0 in the equation
x = 0 → x = - 15
multiply both sides by 3
x = 3 × - 15 = - 45
x-intercept = ( - 45, 0)