Answer:
c = 154°
Step-by-step explanation:
I Hope this helps.
You said 2x - 9 < 7
Add 9 to each side: 2x < 16
Divide each side by 2 : x < 8 .
Answer:
The height of the elephant is
.
Step-by-step explanation:
It is given that,
Distance between a person and an elephant is 15 ft
The angle of elevation of the elephant is 30 degrees.
We need to find the height of the elephant. For this let us consider that height is h. So,

So, the height of the elephant is
.
The circumference of a circle is 2(3.14)r, and if 8.5 * 2 is 17, the answer will be 17*3.14.
An estimate is 51, and the actual answer is 53.38.
Completing the square will always work for any quadratic, because you can always manipulate any quadratic by following completing the square.