Recent activity by Roybalderama

Recent activity by Roybalderama

Evaluate the expressions when a = -6 and c = 7a - 6c

asked Dec 20, 2023

1 answer 170k views

The combustion of 296 g of propane (C₃H₈) produces 713 g of carbon dioxide. [C₃H₈ + 5O₂ --> 3CO₂ + 4H₂O; C = 12.01 g/mol, H = 1.01 g/mol, O = 16.0 g/mol] What is the percent yield? 80.5% 124% 0.805% 41.

answered Dec 9, 2023

1 answer 147k views

How did monasteries change as the middle ages progressed hurry i only have 3 mins

asked Jul 28, 2023

2 answers 39.5k views

Please helpWhich of the following combinations would not be a buffered solution? HNO2/NO2- , NH3/NH4+ , HCl/OH, HCN/CN

asked Jun 23, 2023

1 answer 99.1k views

So What is the square meters of this shape

asked Jun 17, 2023

1 answer 209k views

Triangle E has a perimeter of 125 inches. Two of its side lengths are 26 inches and 55 inches. What is its missing side length?

answered Mar 19, 2023

1 answer 188k views

With negative numbers, how do we know when the negative sign indicates that it is a subtraction or it is a negative number? This is a question from Khan Academy: (−5+7×1)−9×5 If you calculate the equation

asked Feb 24, 2023

1 answer 105k views

What was the relationship like between Russia and the U.S. during the Cold War?

answered Jan 21, 2023

1 answer 26.5k views

Write the equation of the line that passes through the points (3, 4) and (5, 8)

answered Dec 19, 2022

1 answer 97.4k views

Which of the following is the correct equation for photosynthesis?

answered Dec 18, 2022

1 answer 184k views

Find x or solve for x

asked Sep 27, 2022

1 answer 197k views

The product of two mixed numbers that are each between 4 and 5 is between 16 and 25 true or false

answered Sep 21, 2022

1 answer 77.4k views

Calculate the current in amperes required to produce 18.0g of aluminium in 1.50hrs (al=27.og )

answered Aug 22, 2022

1 answer 1.3k views

Mrs. Stern washed 2 7 of her laundry. Her son washed 1 4 of it. Who washed most of the laundry? How much of the laundry still needs to be washed? Solve this on paper. Then check your work on Zearn. Who

answered Aug 11, 2022

1 answer 131k views

2^-5 • 2^8 plsss help

answered Jul 15, 2022

2 answers 89.5k views

URGENT!!! Which function is shown in the graph?

answered Jun 12, 2022

1 answer 113k views

HELP PLESE ANYONE :(

answered May 15, 2022

1 answer 98.4k views

Todos están trabajando. Responde a las preguntas (replace the direct object with a pronoun) Modelo: Quien aspira la alfombra? Yo... - Yo la aspiro. 1. ¿Quién pone la lámpara sobre la mesita de noche? Mi

answered May 6, 2022

2 answers 36.5k views

Why was James Madison worried about the future united states?

answered Apr 18, 2022

2 answers 196k views

PLEASE HELP GEOMETRY!!! WILL GIVE BRAIN PLEASE!!!

asked Mar 1, 2022

1 answer 47.0k views

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