Answer:
2.5477 feet
Step-by-step explanation:
Refer the image attached to understand my solution.
BC = height of lamppost.
DE = Julia
AD = shadow of Julia
BD = 2 feet. AD = 5 feet
BA = BD + AD
= 2 + 5 = 7 feet
In ΔABC
tan 20° =
BC = 7 * tan 20°
BC = 2.5477 feet
SO the height of lamppost = 2.5477 feet
F (5x^2 - 1) = 75x^4 - 35x^2 + 6
Answer:
D
Step-by-step explanation:
Answer:
y = 8x-3
Step-by-step explanation:
Which of the following is an irrational number?
A. π