Answers by Sergey Benner
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Answers by Sergey Benner

Answers by Sergey Benner
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The range of human hearing extends from approximately 20 Hz to 20 000 Hz. Find the wavelengths of these extremes when the speed of sound in air is equal to 337 m/s.
answered Aug 2, 2021
4 votes
212k views
What are the terms and coefficients of the following expression? -60 + 2p - 8z
answered May 19, 2021
5 votes
82.4k views
Describe the characteristics of a physiologist
answered Apr 7, 2021
3 votes
31.7k views
You are writing a story with the topic of friendship and want to develop the theme that friendships can take many forms. Which of the following would be BEST to use to develop the theme? A.make the plot
answered Feb 9, 2021
3 votes
21.0k views
What happens to the plates and the mantle at plate boundaries?
answered Feb 9, 2021
4 votes
113k views
What is Malaysia's perspective of the South China Sea border dispute?
answered Jan 26, 2021
3 votes
83.6k views
Quadrilateral ABCD is inscribed in this circle. What is the measure of ZA? Enter your answer in the box.
answered Jan 19, 2021
2 votes
151k views
Type the correct answer in the box. simplify this expression ​
answered Jan 19, 2021
0 votes
120k views
Which of the following conclusions can be made based on the scatterplot shown below?
answered Oct 8, 2020
4 votes
135k views
The cost to rent a car is $25 plus an additional $0.15 for each mile the car is driven. Which of the following equations could be used to find the number of miles, m, a car was driven if the car had a
answered Sep 22, 2020
2 votes
15.9k views
Which is the best description of the light paths necessary to see an object? A) Light must travel one path from the source to the eye, and another path from the eye to the object. B) Light must travel
answered May 27, 2020
4 votes
208k views
A fair die is rolled twice. What is the probability that: a. The die shows a different number on each toss. e.g. (2,5) b. The sum of the dots showing is greater than or equal to 10. List the outcomes in
answered Apr 7, 2020
0 votes
228k views
If a person has a genetic defect in the metabolic pathway that produces cytokines, then A. macrophages won't be produced by the immune system. B. B cells wouldn't be activated to respond when cells presenting
answered Apr 6, 2020
4 votes
68.4k views
Can someone help please?
answered Jul 14, 2019
1 vote
72.3k views
Succinylcholine is structurally almost identical to acetylcholine but if combined with the enzyme that normally hydrolyzes acetylcholine, the enzyme is no longer able to hydrolyze acetylcholine. This suggests
answered Jul 10, 2019
4 votes
73.6k views
Choose the correct form of the word conceive for this sentence: "At first, the group of investors were not impressed by young Calvin's ________ for the new advertising campaign, but by the end of the presentation,
answered May 11, 2019
5 votes
18.8k views
In the 1880s, the knowing-nothing party worked to accomplish which of the following?
answered Mar 25, 2019
4 votes
9.6k views
Which of the following is a discrete random variable? the average annual increase in fuel price a car's speed at different times a person's weight the number of cars passing a tollbooth in a given hour
answered Dec 29, 2018
1 vote
218k views
If the wavelength of an electromagnetic wave is too long or too short, A. it cannot be seen B. it is no longer a wave C. it is no longer an electromagnetic wave D. it becomes a sound wave
answered Nov 13, 2018
2 votes
8.0k views
Why is defibrillation important
answered Aug 20, 2018
6 votes
84.8k views
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