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Prove that for the positive definiteness of a quadratic form in a real vector space V it is necessary, but not sufficient, that all the diagonal elements of its matrix in some basis are positive.
asked
Nov 4, 2024
Mathematics
college
1
answer
4
votes
66.9k
views
Electrical and Lighting systems must conform to what standards?
asked
Oct 23, 2024
Engineering
college
1
answer
5
votes
140k
views
Is there a difference between SOSL and SOQL in Salesforce?
asked
Aug 20, 2024
Business
high-school
1
answer
5
votes
212k
views
What is the common result of vigorous feeding and hydration of the terminally ill patient?
asked
Jul 22, 2024
Mathematics
high-school
1
answer
5
votes
70.9k
views
For the total-cost function C(x)=x³−8x² +6x+50 find ΔC and C (x) when x=50 and Δx=1. A) ΔC=$6,799;C ′ (50)=$6,706 B) ΔC=$6,849;C ′ (50)=$6,706 C) ΔC=$6,899;C ′ (50)=$6,706 D) ΔC=$6,849;C ′ (50)=$6,700
asked
Apr 25, 2024
Mathematics
high-school
1
answer
4
votes
174k
views
"bill richardson, a rancher that lives in the area that has been affected by the frequent earthquakes does not believe that they are a result of man-made causes. 'the thing is,' he states, 'oil and gas
asked
Mar 9, 2024
English
high-school
1
answer
5
votes
78.5k
views
Descrptive essay on cooking with my family
asked
Oct 13, 2022
English
college
2
answers
2
votes
154k
views
Why did the South want to have the right to choose to own slaves and give details
asked
Aug 5, 2022
History
college
1
answer
4
votes
30.9k
views
Serena went to the grocery store to buy fruit for a salad she brought 2.31 pounds of orange is and paid 3.45 how much does 1 pound of oranges cost to the nearest cent
asked
Jun 10, 2022
Mathematics
college
1
answer
4
votes
79.1k
views
Basic engine conponents
asked
Apr 3, 2022
Engineering
college
1
answer
0
votes
2.2k
views
What was the national reclamation act
asked
Mar 2, 2022
History
high-school
1
answer
1
vote
224k
views
What is the measure of BFC,
asked
Jan 12, 2022
Mathematics
high-school
1
answer
0
votes
25.0k
views
The Declaration says that power comes “from the consent of the governed”. What does this mean?
asked
Jan 11, 2022
History
high-school
1
answer
0
votes
111k
views
1. Mohandas Gandhi led India to independence from Britain and is one of the world’s great historical figures. He believed “nonviolence [is] a weapon.” Using the text, create an inspirational or promotional
asked
Dec 27, 2021
History
middle-school
2
answers
5
votes
84.1k
views
Which statement best describes the importance of understanding context? A. Context helps an audience determine factors that influence a source. B. Context determines whether a source is accurate. C. Context
asked
Nov 21, 2021
History
middle-school
2
answers
2
votes
197k
views
Planning to finance higher education helps people prepare for their financial future because it teaches them about O funds management and loans. O their educational options. o the real world O investing
asked
Nov 17, 2021
Business
middle-school
2
answers
3
votes
134k
views
What is the answer to this question?
asked
Aug 6, 2021
Mathematics
college
1
answer
1
vote
47.1k
views
What was the word of the year in 2004? OA. Social media OB. Website OC. Blog D. Wiki
asked
Jun 24, 2021
Computers and Technology
high-school
1
answer
2
votes
143k
views
How does this beginning influence our expectations for the rest of the story?
asked
May 16, 2021
English
high-school
1
answer
0
votes
133k
views
A mass of mercury occupies 0.950L. What volume would an equal mass of ethanol occupy? The density of mercury is 13.546g/mL and the density of ethanol is 0.789g/mL
asked
Apr 5, 2021
Chemistry
high-school
2
answers
3
votes
29.6k
views
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