Mathematics, 26.07.2019 16:30 2020IRodriguez385
For vectors u=-6i +2k and v=7i-4j, find (-3u)*v. a) -450 b) -50 c) 108 d) 150 i know how to do these problems, but i am stuck on this question, because i keep finding the answer 118. i know you change -6i+2j to (-6,2) and 7i-4j to (7,-4) and then plug them into the equation but i don't know what i am doing wrong.
Answers: 2
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M∠aoc is a straight angle angle boc = 6x + 29 m∠boc=6x+29 angle aob = 3x + 124 m∠aob=3x+124 ∘ find angle boc
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Mathematics, 21.06.2019 18:30
The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?
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Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)
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The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .
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For vectors u=-6i +2k and v=7i-4j, find (-3u)*v. a) -450 b) -50 c) 108 d) 150 i know how to do these...
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