Mathematics, 18.03.2021 01:40 Alex4530
The vectors v and w lie in the xy-coordinate plane such that their initial points are at the origin. Vector v has a magnitude of 2 and forms an angle of 0° with the positive x-axis. Vector w has a magnitude of 2 and forms an angle of 90° with the positive x-axis. What is the magnitude and direction of the vector v + w? A v + w has a magnitude of 2 and forms an angle of 45° with the positive x-axis. B v + w has a magnitude of 22√ and forms an angle of 0° with the positive x-axis. C v + w has a magnitude of 22√ and forms an angle of 45° with the positive x-axis. D v + w has a magnitude of 2√2 and forms an angle of 45° with the positive x-axis.
Answers: 2
Mathematics, 21.06.2019 16:00
Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry
Answers: 3
Mathematics, 21.06.2019 16:30
Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds
Answers: 1
Mathematics, 21.06.2019 19:30
You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?
Answers: 2
The vectors v and w lie in the xy-coordinate plane such that their initial points are at the origin....
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