Answer:
-24
Step-by-step explanation:
3 * -4 =.-12
-12 * 2 = -24
The answer to your question is 2 and 4.
X + y = 85
2x + 4y = 218
x = 85 - y
<span>2(85 - y) + 4y = 218 </span>
<span>170 - 2y + 4y = 218 </span>
<span>170 + 2y = 218 </span>
<span>2y = 48 </span>
<span>y = 24 </span>
<span>x = 61</span>
To go from km/h to M/S you have to multiply by 3,6 so this must be the answer:
7,2 km/h x 3,6 = 25,92 M/S
Answer:
Step-by-step explanation:
From the attached figure, AB is the height of the satellite and the distance between Ethan and the ground is 1 mile.
We can find the angle of elevation from Ethan to the satellite using trigonometry as follows :
So, the angle of elevation is 80.53 degrees.