Recent activity by Javier Alvarez

Recent activity by Javier Alvarez

A rocket starts at rest at t=0 with initial mass consisting of a payload of mass M together with fuel of mass 9M. The fuel is burnt at a constant rate λ with the mass being emitted backwards at speed u

answered Dec 19, 2024

1 answer 219k views

In a school with 400 students,120 ride the bus to school.What percent of the students ride the bus to school

answered Dec 16, 2024

1 answer 33.7k views

The severe protein deficiency seen in toddlers when they are weaned from breast milk and fed a low-protein diet is called ____.

asked Nov 15, 2024

1 answer 24.9k views

In 1980, the amount of earnings required to earn one Social Security credit was $290. Back then, Mike earned $55 per week. How many credits did he earn in 1980?

asked Nov 1, 2024

1 answer 112k views

Public sector employees were not initially granted the right to unionize because they are involved in providing essential services TRUE FALSE

answered Oct 13, 2024

1 answer 103k views

Does the mass and volume affect density? Why or why not?

answered Jul 19, 2024

2 answers 44.5k views

Fill in the blank with the correct German form. Der Mann ist dünn. ________ ist krank. Sie Wir Ich Er

answered Jul 17, 2024

2 answers 202k views

Some countries specialize in manufacturing a particular product (such as cars) for which the global market can only support a limited number of firms. This reflects which theory of international trade?

asked Jul 11, 2024

1 answer 61.4k views

What is the estimated percentage of idie time? (Round your answer to 2 decimal places.)

asked Jun 6, 2024

1 answer 140k views

You fall into cold water, you will only retain the motor skills needed to swim for about how long? 01 to 10 minutes 1 to 10 minutes B 10 to 30 minutes 10 to 30 minutes 60 to 90 minutes 60 to 90 minutes

asked May 28, 2024

1 answer 745 views

Hey i need help on voting match the words

answered Apr 29, 2024

1 answer 220k views

In what way can trade sanctions and embargoes be used in conducting foreign policy?

asked Apr 24, 2024

1 answer 42.4k views

What are the 2 main conditions that is seen in patients with ACS?

answered Mar 26, 2024

1 answer 148k views

An early screening method to help identify autism in infancy involves the assessment of a. eye contact and eye tracking. b. fine and gross motor skills. c. tactile sensitivity. d. reflexes and muscle tone.

asked Mar 15, 2024

1 answer 67.8k views

Why for so much of history was absolute monarchy so common? a. Due to democratic revolutions b. Feudal traditions c. Economic reasons d. Social equality

asked Mar 14, 2024

1 answer 82.9k views

What will happen to a cell when it is placed in a isotonic solution? a. shrink b. swell c. remain the same

answered Mar 3, 2024

1 answer 156k views

Kerry's ice cream shop sells ice cream for $3 per cup. To open, he paid $25,000, and he pays a wholesale price of $1 per cup. How many cups of ice cream does he have to sell to break even?

answered Feb 6, 2024

1 answer 191k views

Which inequality is represented by the graph

answered Dec 7, 2023

1 answer 12.6k views

A company that wants to use scenes from the pixar movie soul in its advertising campaign would have to have a __________ with the pixar company to use the movie.

asked Nov 14, 2023

1 answer 129k views

PLEASE HELP ASAP Two clocks are turned on at the same time. One clock chimes every 15 minutes. The other clock chimes every 25 minutes. In how many minutes will they chime together?

asked Sep 10, 2023

1 answer 227k views

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