Answers by Eric Czech
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Answers by Eric Czech

Answers by Eric Czech
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A tennis court is 36 feet long and 78 feet wide. How many people could fit on just the tennis court? (Remember the expected floor space a standing person occupies is about 2.5 sq feet)
answered Oct 19, 2020
2 votes
52.1k views
What is the equation of a line, in general form, that passes through points(-1,2) and (5,2)? A.y-2=0 B.x-2=0 C.y-x-2=0
answered Sep 20, 2020
4 votes
59.4k views
Consider the reaction: HCN (aq) + H2O (l) ⇄ CN- (aq) + H3O + (aq) Which of the following statements will decrease the amount of work the system could perform? (a) Boil off water from the container (increasing
answered Jun 7, 2020
4 votes
224k views
No me ________ nada. Tengo todo.
answered May 23, 2020
7 votes
90.3k views
Which of the following sets of inputs and outputs can be used to describe photosynthesis? A.) inputs: carbon dioxide, oxygen, chemical energy; outputs: glucose B.) inputs: chemical Energy; outputs: water,
answered Feb 1, 2020
3 votes
168k views
In which vertebrate lineage has the studied gene evolved most rapidly?
answered Sep 5, 2019
5 votes
105k views
What part of the essay do the following sentences most likely represent? Another reason for conserving water is to save money. As this resource becomes scarcer, demand will drive prices higher and higher.
answered Jul 27, 2019
4 votes
69.2k views
Ms. Donaldson earns $18.80 per hour for the first 40 hours she works in a week. She earns 1 1/2 times that amount per hour for each hour beyond 40 hours in a week. Last week Ms. Donaldson worked 45.5 hours.
answered Jun 1, 2019
6 votes
233k views
If element X has 40 protons, how many electrons does it have
answered Apr 26, 2019
1 vote
114k views
Find the slope of y=-5/2x-5
answered Nov 16, 2018
0 votes
185k views
To increase an amount by 5.4%, what single multiplier would you use?
answered Oct 5, 2018
4 votes
214k views
What is 1/2 divided by 4
answered Aug 17, 2018
6 votes
145k views
Which word’s root means "to sleep?" Hypnotic Necrology Pandemic Thermostat
answered May 29, 2018
1 vote
186k views
Ian batting sold a computer for $255 that originally cost him $1,200. what was ian's percent of decrease based on the cost of the computer?
answered May 17, 2018
3 votes
93.9k views
A rectangle has a length of x + 2, a width of 7, and a perimeter of 32. The value of x is
answered Apr 24, 2018
3 votes
8.1k views
Calculate the final temperature of 35 mL of ethanol initially at 20 ∘C upon absorption of 720 J of heat. (density of ethanol =0.789 g/mL)
answered Feb 18, 2018
4 votes
157k views
Which of the following substances will cause the greatest temperature change if the same amount of each substance is added to 1.0 kg of water? A. Na2SO4 B. KBr C. C6H12O6 D. FeCl3
answered Dec 21, 2017
6 votes
72.2k views
when angles are complementary, the sum of their measures is 90 degrees. Two complementary angles have measures of 2x-10 degrees and 3x-10 degrees. Find the measures of each angle. Write an equation for
answered Aug 24, 2017
4 votes
107k views
you have been asked to give a presentation to your class on the dangers of texting and driving. who would be the best person to interview to get appropriate information? a) the school's principal b) the
answered Aug 4, 2017
1 vote
182k views
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