Answer:
Which two expressions?
Step-by-step explanation:
2x+4y=16
2x+4(4)=16
2x+16=16
-16=-16=2x=0
The answer is A; 1/2. You add 1 1/2 and 1 1/2 together to get 3. Then you subtract 3 1/2 and 3 to get your answer 1/2. I hope that helps!
Answer: 42.21 km
Step-by-step explanation:
We can solve this using trigonometry, since we have the following data:
is the the angle of elevation
is the horizontal distance between the plane and the radar station
is the hypotenuse of the right triangle formed between the radar station and the airplane
Now, the trigonometric function that will be used is <u>cosine</u>:
because
is the adjacent side of the right triangle
Finding
:
If you divide 18 and 6 you will get three so three times 1254 equals 3,762 card that he saw