Mathematics
Mathematics, 05.12.2020 02:00, graceaowen

Suppose vector u = LeftAngleBracket 1, StartRoot 3 EndRoot RightAngleBracket, |v| = 6, and the angle between the vectors is 120°. What is u · v? a) – 8.19
b) – 6
c) 6
d) 8.19

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:30, edwinadidas9938
The border line of the linear inequality 4x + 7y < 5 is dotted true or false?
Answers: 2
image
Mathematics, 22.06.2019 00:00, andreaolvera
Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15
Answers: 1
image
Mathematics, 22.06.2019 01:30, codyczajka
The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?
Answers: 1
image
Mathematics, 22.06.2019 02:30, arrichardson787
Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias
Answers: 2
Do you know the correct answer?
Suppose vector u = LeftAngleBracket 1, StartRoot 3 EndRoot RightAngleBracket, |v| = 6, and the angle...

Questions in other subjects: