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If the null space of A4×5 is exactly a two-dimensional plane, answer the following: i. What is the dimension of the null space of A? ii. What is the rank of A? iii. How many linearly independent columns
asked
Aug 8, 2021
Mathematics
college
1
answer
4
votes
110k
views
The main purpose of elections
asked
Aug 7, 2021
History
college
1
answer
3
votes
108k
views
Which of the following is the best example of physical weathering? A. plant roots splitting rock B. iron in igneous rock rusting C. students tearing paper D. acid rain breaking down rock
asked
Jun 18, 2021
Biology
high-school
1
answer
4
votes
21.7k
views
What is the slope intercept equation of the line with a slope of -1/5 and the y intercept of -5
asked
May 8, 2021
Mathematics
college
1
answer
5
votes
70.7k
views
I will mark you as most Brillance if you help me get this right!
asked
Jan 24, 2021
Mathematics
high-school
2
answers
5
votes
200k
views
A circle with area 9pi has a sector with a central angle of 1/9 radians. What is the area of the sector?
asked
Jan 4, 2021
Mathematics
middle-school
1
answer
2
votes
130k
views
A three-dimensional figure with one circular or elliptical base and a curved surface that joins the base to the vertex is called _____
asked
Sep 16, 2020
Mathematics
high-school
1
answer
4
votes
7.5k
views
What does a Muslim need to say to show belief in one God an in Muhammad's prophethod?
asked
Mar 5, 2020
History
high-school
1
answer
3
votes
157k
views
Studying for his final exams, Pascal is forced to do a great deal of memorization. Unfortunately, his next-door neighbor has a dog that is prone to barking at night. Amazingly, the barking coincides almost
asked
Feb 20, 2020
Health
high-school
1
answer
5
votes
148k
views
How do you know the opposite of a nonzero integer?
asked
Aug 26, 2019
Mathematics
middle-school
2
answers
1
vote
139k
views
What is the area of an isosceles trapezoid if the length of its shorter base is 18 cm, the length of an altitude is 9 cm, and the measure of the acute angle is 45º.
asked
Apr 10, 2019
Mathematics
college
1
answer
4
votes
59.7k
views
The equivalent decimal to 2 4/5
asked
Apr 2, 2019
Mathematics
middle-school
1
answer
4
votes
77.0k
views
In this quotation, Du Bois disagrees with Booker T. Washington’s accommodationist approach because Du Bois is expressing that
asked
Sep 28, 2018
History
high-school
2
answers
4
votes
31.5k
views
What is a problem Natives in both Bolivia and Peru face? a. extreme poverty c. discrimination b. limited access to resources d. all of the above
asked
May 23, 2018
Geography
high-school
2
answers
4
votes
173k
views
Which of the following is the primary nutrient used in metabolism? 1) sugar 2) Lipids 3)Proteins 4) genetic material
asked
Feb 25, 2017
Chemistry
high-school
2
answers
3
votes
32.1k
views
Las chicas son de méxico. ellas son _____. mexica mexicanos mexicano mexicanas
asked
Feb 12, 2017
Spanish
high-school
2
answers
1
vote
203k
views
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