Answers by John Kattenhorn
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Answers by John Kattenhorn

Answers by John Kattenhorn
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During a regular respiratory cycle, the volume of air in liters in the human lungs can be described by the function V(t) = 0.173t +0.15t^2 - 0.035t^3 where t is the time in seconds. Estimate the time in
answered Mar 18, 2021
1 vote
50.8k views
Help please geometry, show all work!! Thanks :-)
answered Mar 16, 2021
4 votes
206k views
Velocity is speed with _______ .
answered Jan 25, 2021
4 votes
189k views
Which statement best describes the orbit of Earth? A. Earth revolves in a circular motion around the Moon. B. Earth rotates on its own axis and revolves around the Sun. C. The Earth tilts back and forth
answered Jan 24, 2021
0 votes
229k views
What is the maximum speed with which a 1200-kg car can round a turn of radus 84.0 m on a flat road if the coefficient of static friction between tires and road is 0.60. Express your answer to two significant
answered Nov 16, 2020
2 votes
91.7k views
hy are changes in the global carbon cycle important? I. Burning reduces available carbon for primary producers and, therefore, primary consumers. II. Deforestation and suburbanization reduce an area's
answered Oct 13, 2020
1 vote
193k views
Intrinsic motivation reflects desires that others have. Please select the best answer from the choices provided T F
answered Sep 2, 2020
2 votes
86.4k views
If the fourth term of a gwometric progression is -27/4 and the fifth term is 81/4 find a1 and r
answered Aug 21, 2020
4 votes
86.6k views
The Bay of Pigs had all of the immediate results EXCEPT
answered Jun 14, 2020
0 votes
93.5k views
(3x + 2)(2x + 4) Find the product
answered May 28, 2020
5 votes
185k views
There is compelling evidence that today’s mitochondria and chloroplasts were once primitive bacterial cells. This evidence is described in the endosymbiotic theory. Symbiosis occurs when two different
answered Sep 19, 2019
7 votes
11.0k views
Read the sentence. He approached the door carefully, knowing that if he went through it, his life would be forever changed. At what point in a plot diagram would this sentence most likely be placed? falling
answered Aug 16, 2019
4 votes
109k views
Which of the following descriptions describes the domino effect in relation to U.S. policy in Indochina during the Cold War? A). the strategy of the U.S. military to defeat communism in Vietnam before
answered Mar 6, 2019
3 votes
37.5k views
The area of a rectangle is 8x^3y^6 square feet. If the length of the rectangle is 4x^2y^5, what is the width of the rectangle in feet? The area of a rectangle is 30a^3b^11 square feet. If the width of
answered Jan 8, 2019
2 votes
231k views
Which era saw the use of terraced dynamics in musical compositions? A. Classical period B. Baroque period C. Renaissance D. Middle ages **MUSIC**
answered Oct 13, 2018
2 votes
227k views
Solve the division application problem. One roll of carpet covers 900 square feet. How many rolls of carpet would be needed for a room that is 40 ft. x 60 ft.? 9 3 2 7
answered Oct 9, 2018
5 votes
91.1k views
Which is a written record of something that was originally spoken? Journal newspaper transcript electronic text
answered Sep 2, 2018
4 votes
1.2k views
During the Cold War, many countries joined the Non-Aligned Movement in order to: A.secure economic and military aid from more powerful allied countries. B.discourage countries from developing nuclear weapons
answered Jun 1, 2018
5 votes
232k views
When was the last time two 100 win teams were in the world series?
answered Feb 2, 2018
2 votes
230k views
Which of the following statement is correct? a.pollination can take place without fertilization b. Fertilization can take place without pollination c. Pollination and fertilization are the same thing d.
answered Aug 27, 2017
3 votes
38.6k views
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