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Answers by PApostol

Answers by PApostol
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In the upper paleolithic, or most recent time, what use were caves most likely put to?
answered Nov 30, 2024
4 votes
45.1k views
Which of the following statements is true regarding decreased frame rate? A) the frame rate will improve color doppler evaluation B) Decreased frame rates are preferred for real time 2D imaging C) Decreased
answered Sep 23, 2024
3 votes
114k views
How did Copernicus's idea about the Earth and the Sun come into conflict with ideas from medieval culture?
answered Jul 26, 2024
0 votes
36.8k views
Sound waves travel faster in liquids than in gases. Underwater, a 60 Hz sonar signal travels 9.6 in 400 . Calculate the wavelength of the signal.
answered Jul 19, 2024
1 vote
31.3k views
Arrange the following substances in order of increasing polarity: CH_4, CS2, KBr, NH_3. a) NH_3 < KBr < CS2 < CH_4 b) CH_4 < CS2 < KBr < NH_3 c) CH_4 < CS2 < NH_3 < KBr d) CS2 < CH_4 < NH_3 < KBr
answered Apr 1, 2024
2 votes
5.5k views
Calculate the slope of the line (Also show work)
answered Feb 12, 2024
0 votes
177k views
_____ type of chromatography requires small sample sizes but separates compounds based on boiling point. This method contains a stationary and mobile phase; however, the mobile phase is a gas rather than
answered Jan 19, 2024
3 votes
88.2k views
A train travels 478 km along a straight stretch. If the train is displaced south by 213 km, what is the train's displacement to the west? A) 265 km B) 213 km C) 490 km D) 391 km
answered Jan 18, 2024
5 votes
112k views
What is the rhyme scheme of America by McKay
answered Nov 27, 2023
3 votes
229k views
Find the volume of the cylinder?Round to the nearest whole number as needed.
answered Nov 26, 2023
5 votes
86.6k views
You roll a six-sided die. What is the probability that it is an odd number or greater than three? Round your answer to the nearest thousandth. The probability is about
answered Nov 19, 2023
5 votes
13.0k views
Question 5(Multiple Choice Worth 5 points) (MC) Read these paragraphs and answer the question that follows: 1. In 2008, more than one million American students gave nearly 20 million service hours to their
answered Oct 20, 2023
13 votes
137k views
Dan has 5 toys Tan has 3 toys how many toys to they have
answered Jul 9, 2023
14 votes
130k views
Determine the domain and the range for the relation in interval notation​
answered Mar 23, 2023
0 votes
215k views
What is the value of x in the figure? Enter your answer in the box. X 610 x= 1
answered Feb 9, 2023
10 votes
132k views
WHAT IS THE VALUE OF 4^3 4 AND A SMALL THREE IN THE RIGHT CORNER THE AWNSER CHOICE 12 16 43 64 IF AWNSER NOT KNOW COMMENT BELOW IG.,...
answered Dec 7, 2022
4 votes
39.1k views
How would we be able to use both technology and social media in physical education in the classroom if we were back in person?
answered Nov 14, 2022
4 votes
223k views
The graph shows the distance a train travels over a period of time. What is the independent variable in the graph? Time Distance The train There is no clear independent variable.
answered Nov 11, 2022
3 votes
48.1k views
Column A 1. Hydrogen: Hydrogen 2. Oxygen: Oxygen 3. Carbon: Carbon Column B a.Bonds 1 time b.Bonds 2 times c.Bonds 3 times
answered Sep 28, 2022
9 votes
116k views
Predict the product when 2-methylbutanol is oxidised with pyridium chlorochromate in dichloromethane (PCC/CH2C12) a. CH3CH2CH(CH3)COOH b. CH3CH2CH2CH(CH3)CHO C. CH3CH2CH(CH3)CHO d. CH3CH2CH(CH3)OH 8:40
answered Aug 16, 2022
4 votes
221k views
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