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Which relation is a function? {(1, −1), (−2, 2), (−1, 2), (1, −2)} {(1, 2), (2, 3), (3, 2), (2, 1)} {(1, 4), (2, 3), (3, 2), (4, 1)} {(4, 2), (3, 3), (2, 4), (3, 2)}
asked
May 20, 2021
Mathematics
high-school
1
answer
4
votes
82.6k
views
The lens-makers’ equation applies to a lens immersed in a liquid if n in the equation is replaced by n2/n1. Here n2 refers to the index of refraction of the lens material and n1 is that of the medium surrounding
asked
Apr 23, 2021
Physics
college
1
answer
5
votes
65.0k
views
Which is the best estimate for the amount of grass in the lawn?
asked
Mar 20, 2021
Mathematics
college
2
answers
2
votes
150k
views
find the radius of a right cylinder with the volume of 2000 cubic meters and a height of 11 meters round your answer to the nearest hundredth
asked
Jan 19, 2021
Mathematics
middle-school
2
answers
4
votes
50.7k
views
In some cities, whole families show serious symptoms of acne, asthma, coughing, congestion, sinus problems, and muscle pain. Even worse, their new houses all smell of rotten eggs. They also had to replace
asked
Sep 19, 2020
Advanced Placement (AP)
middle-school
2
answers
0
votes
82.8k
views
Help on how to do this problem
asked
Aug 12, 2020
Mathematics
middle-school
2
answers
5
votes
195k
views
Given the lattice energy of NaCl = 787 kJ/mol, the ionization energy of Na = 496 kJ/mol and the electron affinity of Cl = −349 kJ/mol, calculate the ΔH o for the reaction: Na(g) + Cl(g) → NaCl(s)
asked
May 4, 2020
Chemistry
high-school
1
answer
3
votes
201k
views
Firms from which country lead the way in "direct foreign investment" in the United States?A. JapanB. IndiaC. ChinaD. United Kingdom
asked
May 2, 2020
Business
college
1
answer
0
votes
227k
views
Empareja la frase con el error en negrita con la razón por el error. Match sentence with bolded error with the correct type of error.Match Term Definition¿Porque vas a ir a la biblioteca? A) la redacciónPodemos
asked
Apr 12, 2020
Spanish
high-school
1
answer
5
votes
194k
views
Complete the following sentences about enzyme function: Enzymes speed reaction rates by ______ and lowering activation energy. Activation energies drop because enzymes stabilize _______. Enzyme specificity
asked
Feb 20, 2020
Biology
high-school
1
answer
4
votes
135k
views
Marrisa bought 12.8 pounds of potatoes at $1.35 per pound. How much did Marissa spend for the potato’s
asked
Dec 13, 2019
Mathematics
middle-school
2
answers
1
vote
24.3k
views
The shapes of the horizontal cross sections of the cone below are all congruent
asked
Jul 1, 2019
Mathematics
high-school
2
answers
3
votes
215k
views
Why did women in the late 1950s feel like they had no identity of their own?
asked
Apr 11, 2019
History
high-school
1
answer
5
votes
198k
views
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