Recent activity by Rosalva

Recent activity by Rosalva

Need help with chemistry A piece of metal is heated to a temperature of 95.3°C and place in 117 g water which is initially at a temperature of 21.3° C. The final temperature of the metal and water is 32.

asked Dec 27, 2023

1 answer 926 views

When more energy enters than exits the earth system, what happens to temperatures on earth?.

answered Nov 30, 2023

1 answer 229k views

In which of the following scenarios is no work done?

answered Nov 5, 2023

1 answer 219k views

What is Mairs’ main objective in writing this piece & how do you know (to persuade,to argue, to inform, etc.)

answered Jun 26, 2023

1 answer 194k views

What is the magnitude of the force needed to keep a 60. -newton rubber block moving across level, dry asphalt in a straight line at a constant speed of 2. 0 meters per second?.

asked Jun 23, 2023

1 answer 82.2k views

PLS HELP :D here is the question attached

answered Jun 11, 2023

1 answer 227k views

What is a producer and a consumer? What is a market Define Good ands Services and provide examples. How do Consumers satisfy their wants and needs by buying goods and services from businesses.

answered May 14, 2023

1 answer 158k views

The mean temperature for the first 4 days in January was -2°C. The mean temperature for the first 5 days in January was 0°C. What was the temperature on the 5th day? THIS IS URGENT PLEASE HELP ME!!!!!!

asked Mar 1, 2023

2 answers 191k views

Use the bar graph below to answer the following question. Which girl is the shortest?

asked Feb 26, 2023

1 answer 228k views

HURRY PLEASE One of the advantages of using a maglev system is that it (increases, decreases or does not affect) friction by utilizing non-contact forces to move and stabilize it.

answered Dec 23, 2022

2 answers 10.1k views

Research notes for an offline source should include . Information should be noted in your own words to . If research supports your ideas, the next step is to .

answered Oct 27, 2022

2 answers 134k views

Write the following using index notation: a)2 x 2 x 2 b)x3 x 3 x 3 x 3 c)4 x 4 x 4 x 5 x 5 d)9 x 7 x 9 x 9 x 7 x 9

answered Oct 23, 2022

1 answer 103k views

Which of the following best describes the narrator's tone regarding the family? Sarcastic Trivial b. Judgmental d. Frustrated GA

answered Oct 19, 2022

2 answers 183k views

Mr.Brown uses 1/4 package of graph paper for each class. she need 1 1/2 packages to serve all of her classes. How many classes does Mr. Brown teach

answered Sep 29, 2022

1 answer 125k views

What did all living thinhs on earth originally evolved from?

answered Sep 16, 2022

2 answers 216k views

PLEASE HELP ME !! What do you think could have changed from 306 million years ago to today?

answered Aug 15, 2022

1 answer 49.8k views

9 is 60% of what number? 12 45 15 54

answered Jul 22, 2022

2 answers 82.5k views

A model rocket is launched straight upward. The solid fuel propellant pushes the rocket off the ground at an initial velocity of 50 feet per second. s(t)= -4t2 + 50t - 84. Show work to get credit a. What

asked Jun 28, 2022

1 answer 82.0k views

What is the name of the function below? function go(){ alert("hello everybody"); }

answered May 27, 2022

1 answer 162k views

How are these triangles similar?

asked Apr 18, 2022

1 answer 180k views

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