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Determine if the given linear system is in echelon form. 3x₁+2x₂+5x₃ = 0 -6x₃= −6 -x₂-5x₃ = 11 Is this in echelon form even though it's not ordered correctly, it still meets the all the properties of echelon
answered
Nov 27, 2024
Mathematics
high-school
1
vote
158k
views
Where should you place reflectors when stopped on a divided highway?
answered
Nov 20, 2024
Engineering
college
4
votes
193k
views
FIRESCOPE was created in the wake of what? a) Hurricane Katrina b) The 9/11 terrorist attacks c) The Watts riots d) The California wildfires
answered
Sep 8, 2024
Law
college
5
votes
74.8k
views
How can proficiency in a foreign language be demonstrated?
answered
Jun 15, 2024
Social Studies
high-school
2
votes
506
views
5. In Iceland, many people enjoy ____ (ski) in the winter. A. Skiing B. To ski C. To skiing D. To be skied
answered
Apr 20, 2024
English
college
4
votes
83.9k
views
What measures the response of FHR to the stress of uterine contraction? a) Biophysical Profile (BPP) b) Non-Stress Test (NST) c) Contraction Stress Test (CST) d) Doppler Ultrasound
answered
Jan 16, 2024
Health
high-school
4
votes
93.9k
views
Please help and show all your work step by step
answered
Feb 22, 2023
Chemistry
college
10
votes
19.6k
views
A group of scientist studied the effect of chemical on various strains of bacteria. strain A started with 12,000 cells and decreased at a constant rate of 3000 cells per hour after the chemical was applied.
answered
Feb 16, 2023
Mathematics
college
3
votes
201k
views
Why is the bill of rights vital for the ratification of the constitution.
answered
Jan 10, 2023
History
high-school
5
votes
128k
views
Whats the area of the figure ? pls help
answered
Dec 19, 2022
Mathematics
high-school
5
votes
10.1k
views
A triangle has vertices at A(–2, 4), B(–2, 8), and C(6, 4). If A prime has coordinates of (–0.25, 0.5) after the triangle has been dilated with a center of dilation about the origin, which statements are
answered
Dec 7, 2022
Mathematics
middle-school
7
votes
214k
views
What are 3 completed examples for functions?
answered
Nov 16, 2022
Mathematics
high-school
6
votes
39.7k
views
Find the medians of the following sets of data. I) 23, 17, 36, 47, 42
answered
Nov 11, 2022
Mathematics
high-school
3
votes
18.9k
views
The closest living ancestors of birds are crocodilians. What provides morphological evidence for this relationship? a) both are homeothermic b) both have extensive air sac system c) both have a 4-chambered
answered
Oct 22, 2022
Biology
college
4
votes
97.2k
views
Empareja la palabra con el ejemplo. Match the vocabulary word with the example. 1. todo para aquel, que tiene cien corbatas, cuatro coches de lujo y no pisa la tierra 2. la frase en los montes, monte soy
answered
Jul 24, 2022
Spanish
high-school
2
votes
12.8k
views
How are all cells similar?
answered
Jul 11, 2022
Biology
high-school
5
votes
163k
views
Which would be the BEST font for the menu of a medieval-themed restaurant? Group of answer choices Rockwell Comic Sans Apple Chancery Times New Roman
answered
Jul 10, 2022
Arts
high-school
12
votes
74.2k
views
What force acts between earth and the moon
answered
Apr 25, 2022
Physics
high-school
10
votes
19.8k
views
What force acts between earth and the moon
answered
Apr 25, 2022
Physics
high-school
10
votes
19.8k
views
What force acts between earth and the moon
answered
Apr 25, 2022
Physics
high-school
10
votes
19.8k
views
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