Answers by Alan Mendelevich
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Answers by Alan Mendelevich

Answers by Alan Mendelevich
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In a test to measure the depth of the sea bed, ultrasound wave pulses took 0.40s to travel from the surface to the sea bed and back. Given that the speed of sound in sea water is 1350m/s, calculate the
answered Oct 15, 2023
7 votes
93.0k views
I’m so lost and i really need help :’). this is 9th grade algebra
answered Sep 19, 2023
6 votes
213k views
do you think it is likely that a major volcanic eruption will occur on the mainland of the United States? Explain your ideas.
answered Aug 20, 2023
7 votes
62.4k views
I need help on this logarithmic equation, If you can, please answer it step-by-step. Thank you!
answered Jun 14, 2023
1 vote
129k views
A planter is shaped like a regular hexagon. The side lengths are 3 meters and the apothem is 5.2 m. What is the area of the hexagonal planter? 46.8 m² 15.6 m² 93.6 m² 7.8 m²
answered May 4, 2023
5 votes
96.4k views
A firework is fired from the ground straight up on a planet with an acceleration due to gravity of 6.82 m/s/s. The firework will not explode until the moment where it would have started to move back down
answered Apr 1, 2023
11 votes
61.7k views
Jackson buys 60 books at £3 each. He sells 35 of these at £8 each and the remainder at £4 each. What percentage profit does he make (give the answer to the nearest whole number).
answered Mar 8, 2023
5 votes
126k views
Plz help meeeeeeee I need to turn this in today plzzz!!!!!!​
answered Nov 23, 2022
11 votes
186k views
What happens with the release of DDT into the food chain zooplankton -- small animal -- large animal-- bald eagle? And what process is involved
answered Sep 26, 2022
4 votes
132k views
Mark the complete sentences with an S and the sentence fragments with an F.
answered Aug 22, 2022
5 votes
50.5k views
i am so lost and my brain is so over worked, this is the last question before i’m done the course! pls help
answered Jun 23, 2022
3 votes
17.9k views
Clara is the chief operating officer of a cosmetics manufacturing company. She gets opportunities to attend the board meetings of her vendor companies. These meetings give her a fresh perspective about
answered May 30, 2022
1 vote
206k views
A picture frame is 112 inches wider than the picture it holds. Let f represent the width of the frame. Let p represent the width of the picture. Which table represents the situation? f = p + 1 p f 1 2
answered May 24, 2022
13 votes
15.8k views
8. Which of the following shows an example of extinction? A: Two species of caterpillars compete for the same food B: Two species of caterpillars breed to create a new species C: A generation of caterpillars
answered Mar 31, 2022
4 votes
14.3k views
Which subject and object pronouns best complete the sentence? ____ gave ____ a baseball glove for my birthday. His; I She; he He; me Them; her
answered Mar 3, 2022
14 votes
192k views
What is another name for the sugars organisms use for energy?1. Proteins2. Nucleic acids3. Carbohydrates4. Lipids
answered Feb 5, 2022
3 votes
203k views
Select the place that best completes this sentence: Situé entre la France et l'Espagne, est un petit pays pittoresque dont la langue officielle est le Catalan, OA Monaco OB. le Luxembourg OC la Suisse
answered Feb 2, 2022
5 votes
12.9k views
What happens as a result of the kinetic energy of the particles in a liquid being comparable with the intermolecular attractions between the particles
answered Aug 5, 2021
4 votes
53.6k views
How many employees worked fewer than 8 hours yesterday?
answered Jul 16, 2021
3 votes
228k views
What does the allele frequency have to total in the hardy- Weinberg equilibrium?
answered Apr 10, 2021
6 votes
113k views
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