Answer:
1. A
2. D
3. C
4. E
5. B
Step-by-step explanation:
X would equal 81 because the square root of 81 is 9.
9 x 9 = 81
9514 1404 393
Answer:
78.5 km
Step-by-step explanation:
Measured at the airport, the angle between the two planes is ...
180° -60° -50° = 70°
The law of cosines tells us the distance between the planes is ...
d = √(50² +80² -2·50·80·cos(70°)) ≈ √6163.84 ≈ 78.5 . . . km
The planes are about 78.5 km apart.
Answer:
6
Step-by-step explanation:
100/18=5 1/2
18*6=108
Answer:
yes
Step-by-step explanation:
this number is a decimal