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In exercises 7-10 show that {u1, u2} or {u1, u2, u3} is an orthogonal basis for R² or R³ respectively, then express x as a linear combination of the u's u1 = [2] [-3] u1 = [6] [4] x = [9] [-7]
answered
Dec 5, 2024
Mathematics
high-school
1
answer
33.4k
views
A stone is thrown vertically upwards with a speed of 20 m/s. How high will it go before it begins to fall? (g = 9.8 m/s²)
answered
Nov 8, 2024
Physics
college
2
answers
47.9k
views
Which piece of equipment is needed for the Hot Dog Roll activity?
asked
Oct 24, 2024
Social Studies
high-school
1
answer
214k
views
shawna has just quit smoking. ever since she stopped smoking, she has become very testy. she feels anxious and irritable. the change in shawna's behavior and temperament after she stopped smoking is referred
asked
Sep 22, 2024
Social Studies
high-school
1
answer
139k
views
The Company Officer becomes the identifiable IC and coordinates the_____________.
answered
Sep 21, 2024
Business
high-school
1
answer
138k
views
Signs and symptoms of pericardial tamponade (becks triad)
answered
Sep 9, 2024
Medicine
college
1
answer
123k
views
On a coordinate plane, parallelogram A B C D has points (negative 3, 5), (1, 5), (5, 0), and (1, 0). What is the area of parallelogram ABCD?
answered
Jul 18, 2024
Mathematics
high-school
1
answer
109k
views
Participating in regular exercise (4 points) A. hinders the body's ability to handle stress B. impairs blood circulation throughout the body C. increases sleeplessness and feelings of anxiety D. reduces
asked
Jun 17, 2024
Health
college
1
answer
140k
views
In the first 150 years of American history, the federal government: a. did not grow at all b. had few responsibilities c. expanded rapidly d. was more powerful than state governments
asked
Jun 13, 2024
Health
high-school
1
answer
198k
views
An orchard needs to produce 5,000 oranges. The following function represents the average number of oranges that x number of trees must produce to meet the goal. How do the mathematical range and reasonable
answered
May 10, 2024
Mathematics
college
1
answer
101k
views
(3x^2-2x+5)+(-4x+9) add polynomials
answered
Mar 8, 2024
Mathematics
college
1
answer
152k
views
True or False: An alternator and starting motor are not needed in the starting and charging system of most hybrid vehicles?
answered
Jan 30, 2024
Engineering
college
1
answer
171k
views
Which of the following best describes the word 'biodiversity'? A) The number and variety of species within an ecosystem. B) The number of species that are endangered within an ecosystem. C) The number
answered
Jan 27, 2024
Biology
high-school
1
answer
2.2k
views
A 125 kg wrecking ball on a 15.4 m long cable is pulled back to an angle of 33.5° and released. How much KE does it have at the bottom of its swing? (Unit = J)
answered
Jan 25, 2024
Physics
college
2
answers
239
views
During the development phase of the purchase order module training of a financial software implementation, it was determined that participants would be secretly observed while doing their jobs at set intervals
asked
Jan 13, 2024
Business
high-school
1
answer
210k
views
Imagine you found a dinosaur egg and you brought it home. Later that day it starts to hatch! What will you name it? 7 sentences max (try giving the dinosaur a villain arc)
asked
Dec 7, 2023
English
high-school
1
answer
35.3k
views
How can the community support victims of human right violation
asked
Sep 28, 2023
Geography
college
1
answer
4.9k
views
I need help with problem 21
asked
Jul 19, 2023
Mathematics
high-school
2
answers
42.4k
views
A photo is 12.5 inches wide and 11.5 inches tall if is reduced to a height of 2.3 inches then how wide will it be
asked
Jul 14, 2023
Mathematics
college
1
answer
222k
views
Need help with this question
answered
Jul 9, 2023
Mathematics
college
1
answer
116k
views
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