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Problem 6.1. Let x1, . . . , xn ∈ R and let a1, . . . , an > 0. a) Show that a1x 2 1 + . . . + anx 2 n ≥ 0. b) Show that a1x 2 1 + . . . + anx 2 n = 0 if and only if x1 = · · · = xn = 0

Alexander Perfilyev asked Dec 25, 2024

by Alexander Perfilyev

8.3k points

1 answer

0 votes

139k views

The perimeter of a square is directly proportional to the length of its sides. a. write an equation to represent this direct variation. make sure to define your variables. b. in complete sentences, use

Keven Wang asked Dec 25, 2024

by Keven Wang

8.4k points

1 answer

5 votes

175k views

A nurse is preparing to present a program about atherosclerosis at a health fair. Which of the following recommendations should the nurse plan to include? Select all that apply. A) Maintain a sedentary

Faraday asked Dec 25, 2024

by Faraday

7.9k points

1 answer

4 votes

28.7k views

Give f(x) = 3x^3+kx-13, and x-1 is a factor of f(x), then what is the value of k?

Michael IV asked Dec 25, 2024

by Michael IV

8.1k points

1 answer

2 votes

157k views

You have prepared a salad in the morning, added salt and other seasonings, and then put the salad in the refrigerator. When you take the salad out of the fridge for dinner, the lettuce looked wilted and

Amol Sharma asked Dec 25, 2024

by Amol Sharma

9.1k points

1 answer

0 votes

1.5k views

Which muscles, part of the rotator cuff, are more likely to be inhibited in the early stages of shoulder dysfunction, potentially leading to scapular dyskinesis? Option 1: Subscapularis and Teres Minor

Sirjay asked Dec 25, 2024

by Sirjay

8.4k points

1 answer

0 votes

49.2k views

NO, THE LINER MUST BE EITHER NON-METALLIC OR NON-FERROUS METAL.

Jim Jeffries asked Dec 25, 2024

by Jim Jeffries

6.8k points

1 answer

5 votes

151k views

Discuss a situation where you can collect data, and the data the Empirical Rule applies, meaning that the data representing this situation follows a normal distribution. You are encouraged to conduct research

Mike Rosenblum asked Dec 25, 2024

by Mike Rosenblum

7.9k points

1 answer

1 vote

201k views

Determine the value of A1 withreason/s

Johan Boberg asked Dec 25, 2024

by Johan Boberg

8.8k points

1 answer

5 votes

151k views

Find a s-grammar for the following language. L={aɴbɴ+1∣n≥1}

Sovattha Sok asked Dec 25, 2024

by Sovattha Sok

8.2k points

1 answer

5 votes

55.1k views

I need help with this please

Rolf Rander asked Dec 25, 2024

by Rolf Rander

7.6k points

2 answers

3 votes

100k views

Suppose you have a 0.750-kg object on a horizontal surface connected to a spring that has a force constant of 150 N/m. There is simple friction between the object and surface with a static coefficient

Mcoav asked Dec 25, 2024

by Mcoav

8.6k points

1 answer

0 votes

135k views

Help me with this question please

Ghostff asked Dec 25, 2024

by Ghostff

8.0k points

2 answers

1 vote

223k views

Did the U.S Congress come out in support of Pres. Wilson 14 point peace plan, and were they supportive on his proposed League of Nations? A. True B. False

Nuri Ensing asked Dec 25, 2024

by Nuri Ensing

7.7k points

1 answer

5 votes

203k views

a comedy club earns $1088 from an opening night performance and $1183 from a second performance. on opening night the club sells 68 adult tickets sand 136 student tickets. on the second night the club

Auntie asked Dec 25, 2024

by Auntie

7.7k points

1 answer

5 votes

202k views

In formula feeding the nipple should be placed on top of the infant's ________

Covik asked Dec 25, 2024

by Covik

8.7k points

1 answer

1 vote

75.2k views

I need to run an experiment on the effect of temperature on refractive index of a liquid, and in order to make the change most visible and have the lowest percent uncertainty I need the change in refractive

Bowecho asked Dec 25, 2024

by Bowecho

8.0k points

1 answer

4 votes

213k views

1 × ( − 2 + 3 ) × ( − 9 + 7 ) = 1×(−2+3)×(−9+7)

MoSheikh asked Dec 25, 2024

by MoSheikh

8.8k points

1 answer

5 votes

208k views

Draw the Lewis structure for the following symbol and predict the compound N + Ba:

Val Bakhtin asked Dec 25, 2024

by Val Bakhtin

8.0k points

1 answer

3 votes

18.8k views

When a customer complains about their food, what attitude should the server display in general?

Hassan Mehmood asked Dec 25, 2024

by Hassan Mehmood

8.2k points

1 answer

0 votes

75.9k views

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