Answer:
The axis of symmetry
The x-value of the vertex
Answer:
x = 1
Step-by-step explanation:
1.666666666666667 to be exact, but rounded it is 1.66
Answer:
0.51 cm
Step-by-step explanation:
In right triangle MNP, MP = 4 cm, m∠N = 90°, m∠P = 21°
By the sine definition,

Now, consider right triangle HMN (it is right because NH is an altitude). By the cosine definition,

In the right triangle, two acute angles are always complementary, so

Thus,
