parallel lines have negative reciprocal slopes
so 1/2 becomes -2
point slope form
y-y1 =m(x-x1)
y-0 = -2(x--4)
y =-2(x+4)
y=-2x-8
Answer:
2/7 is the simplified fraction of 10/35
Step-by-step explanation:
Answer:
For #6, it is 81 degrees, and for #8, it is 100 degrees.
Step-by-step explanation:
For #6, it is on the opposite side, so 81 degrees
For #8, it is also on the opposite side, so 100 degrees
Whenever there are parallel lines going horizontally, the angles measure the same on opposite sides, and to find the measure of an angle next to another angle, subtract it from 180.
They are not similar because the angles and sides are not similar.
Answer:
h ≈ 66.4 ft
Step-by-step explanation:
The situation can be modelled by a right triangle with h representing the height of the tree.
Using the tangent ratio in the right triangle
tan39° = 
= 
( multiply both sides by 82 )
82 × tan39° = h , then
h ≈ 66.4 ft ( to the nearest tenth )
