Consider x+4=x+8. What values could be substituted for x to make this a true number sentence?
1 answer:
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<h2>COMPARE</h2><h2>
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The correct sign for the two given digits compared is greater than. 2.75 is greater than 2.6.
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.
