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Given u = ⟨1, 3⟩, v = ⟨2, 1⟩, and cos(ϴ) = StartFraction StartRoot 2 EndRoot Over 2 EndFraction , where ϴ is the angle between the vectors, what is the scalar projection uv and the dot product u · v?
answered
Dec 28, 2021
Mathematics
high-school
0
votes
164k
views
Which was an important part of the Treaty of Paris 1783 that ended the American Revolution?
answered
Sep 6, 2021
History
high-school
3
votes
10.4k
views
Humans are different from each other in many ways, including in their sizes, shapes, skin color, facial features, and handedness. However, all humans are classified as one species because it is possible
answered
Sep 6, 2021
Biology
middle-school
3
votes
80.9k
views
What played a major role in shaping pro-war opinion in the United States?
answered
Jun 22, 2021
History
college
5
votes
91.8k
views
How much fencing is required to enclose a circular garden whose radius is 28 m? Use 3.14 for pi.
answered
Jun 3, 2021
Mathematics
middle-school
4
votes
234k
views
Which is the best method to solve quadratic equation = x^2+x=10
answered
May 19, 2021
Mathematics
high-school
7
votes
16.8k
views
Commonwealths _______________________ . A. only have ceremonial ties to their mother country B. are involuntarily linked to a mother country C. are not dependent upon their mother countries after gaining
answered
Jan 25, 2021
Geography
high-school
1
vote
175k
views
The graph below shows the relationship between two variables. Which scenario is BEST represented by the graph? David drove at a constant speed before slowing down in a school zone. He then increased the
answered
Jan 8, 2021
Mathematics
middle-school
4
votes
170k
views
Even though the Europeans were exploring other lands, what was one reason they did not explore all lands?
answered
Dec 24, 2020
History
middle-school
2
votes
216k
views
Paleolithic humans banded together in groups known as: A. Families B. Clans C. Sects
answered
Aug 3, 2020
History
middle-school
6
votes
104k
views
Simplify (5 + 1)2 - (11 + 32) + 4.
answered
May 8, 2020
Mathematics
middle-school
2
votes
36.7k
views
Native American spiritual expression is intricately tied to _____. Choose the best definition for the following terms. A. salmon B. the moon C. the land D. commodities
answered
Mar 31, 2020
Advanced Placement (AP)
middle-school
2
votes
89.9k
views
When is independence day
answered
Jan 21, 2020
History
middle-school
4
votes
192k
views
Why did the turkey sit on the tomahawk?
answered
Jan 19, 2020
Geography
middle-school
7
votes
68.0k
views
Force and distance are used to calculate work, work is measured in
answered
Dec 6, 2019
Chemistry
high-school
7
votes
58.5k
views
What materials formed the solar system?
answered
Sep 26, 2019
Chemistry
high-school
5
votes
19.7k
views
What did you see everyone
answered
Sep 22, 2019
Arts
middle-school
1
vote
135k
views
Which type of ladder has steps on both sides that offer convenience and versatility allowing two employees to work on the same ladder? A. Extension Ladder B. Platform Ladder C. Step Ladder D. Straight
answered
Jan 25, 2019
Health
high-school
4
votes
174k
views
How many solutions does 4(z-5)+2=4z-18 have
answered
Nov 4, 2018
Mathematics
high-school
4
votes
29.0k
views
Roberto ____________ todos los libros en su casa. has leído tiene leer ha leyendo ha leído
answered
Aug 30, 2018
Spanish
high-school
3
votes
172k
views
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