Recent activity by Zhao Peng

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Which software development model releases multiple beta versions and solicits frequent user feedback? 1. Prototyping 2) Design · 3) Development · 4) Testing / Validation / Deployment

answered Dec 10, 2024

1 answer 94.3k views

How long (duration) and how many days should an obese individual exercise at a moderate intensity?

answered Nov 23, 2024

1 answer 76.9k views

Describe the importance of the high viscosity of toothpaste. What if it had low viscosity?andWhy is baking soda used in baking?

answered Nov 2, 2024

1 answer 30.2k views

Which chemical equation does not demonstrate the conservation of matter? A) N2 + 3H2 à 2NH3 B) CF4 + 2Br2 à CBr4 + 2F2 C) CH4 + 2O2 à CO2 + 2H2O D) 2P4 + 3O2 à 2P2O3

asked Oct 7, 2024

1 answer 162k views

Factor the polynomial completely 3a^3+18a^2+8a+48

answered Sep 20, 2024

1 answer 113k views

Adult giraffes are often _______ than all the other animals at the zoo. Fill the blank with the correct answer. A. more tallest B. tallest C. most tall D. taller

answered Sep 2, 2024

1 answer 71.4k views

Configuration options for the Service Task include: a) Setting workflow to enable b) Selecting Task type (ex: Java class) c) Select Class options (ex: MailSender) d) Adding relevant content to Documentation

answered Jun 24, 2024

1 answer 164k views

In a game of pool, a cue ball strikes an eight ball head on. Before the collision the cue ball is moving in the +x direction at 20 m/s while the eight ball is at rest. After the collision, the cue ball

asked May 11, 2024

1 answer 53.4k views

In the figure below, h || l and j || K. Find the values of x and z

asked May 10, 2024

1 answer 143k views

Find the value of a for which the following points A(a, 3), B(2, 1) and C(5, a)) are collinear. Hence find the equation of the line.

answered Mar 12, 2024

1 answer 7.6k views

A nurse in a pediatric clinic is teaching a newly hired nurse about the varicella rooster. Which of the following information should the nurse include? A. Children who have varicella are contagious until

answered Feb 29, 2024

2 answers 162k views

When are Virginia motorists required to turn on their headlights?

asked Feb 24, 2024

1 answer 198k views

The oldest mayan structure is located in which country__

answered Feb 17, 2024

1 answer 72.3k views

You are developing instructional materials for a class you are teaching. Students know very little coming into the learning experience. You would want to start class with what information?

answered Jan 25, 2024

1 answer 170k views

Write the equation of the sphere in standard form: 2x²+2y²+2z² = 8x-20z+1 x²-4x+y²+(z+10)² = 1/2 Find its center and radius.

asked Jan 13, 2024

1 answer 230k views

What are the three "common" substances that are believed to be important in planet formation? A) electromagnetic radiation, electrical discharges (e.g., lightning), and water B) rock, ices, and gas C)

answered Jan 10, 2024

1 answer 176k views

Complétez la phrase. La boutique Chanel sur l'avenue Montaigne _________________. n'existe plus vend des vêtements bon marché vend des vêtements de prêt-à-porter ne vend que des robes de haute couture

answered Dec 11, 2023

2 answers 171k views

A solution of ammonia has a pH of 11.8. What is the concentration of OH– ions in the solution?-1.58 x 10^–12 M-6.31 x 10^–3 M-2.20 M-158 M

asked Dec 7, 2023

1 answer 94.4k views

Confucius was born about 2,500 years ago in chins and grew up in

answered Nov 30, 2023

1 answer 200k views

Which of the major empires of Central and South America was the youngest and ruled southern Mexico?

answered Oct 13, 2023

1 answer 18.8k views

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