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The income elasticity of demand for dental services is 2.40, and the income elasticity of demand for nursing homes is 0.90. Based on these estimates, dental services are a(n) _____ and nursing home care
answered
Feb 8, 2020
Social Studies
high-school
7
votes
151k
views
An inappropriate immune system response against a nonpathogenic antigen is a(an)? A. Autoimmune disease B. Secondary immune reaction C. Allergic reaction D. Vaccination reaction
answered
Dec 16, 2019
Biology
middle-school
1
vote
101k
views
Why do active teenagers have high energy needs
answered
Nov 8, 2019
Biology
middle-school
6
votes
198k
views
Which equation could be used to find the length of the hypotenuse?
answered
May 1, 2019
Mathematics
middle-school
5
votes
84.2k
views
Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by this equation? y = −x + 5 A. y = x− 6 B. 5x − y = 5 C. y = −x− 1 D. 2x− 5y =
answered
Oct 22, 2018
Mathematics
high-school
4
votes
30.8k
views
3 types of organisms found in a ecosystem
answered
Oct 18, 2018
Biology
high-school
3
votes
32.4k
views
Using a screwdriver to pry off the lid to a paint can is an example of a second class lever.
answered
Oct 16, 2018
Physics
college
3
votes
151k
views
Madison has an annuity that pays $9003 at the beginning of each year. If the economy grows at a rate of 3.4% each year, what is the value of the annuity if she received it in a lump sum now rather than
answered
Aug 9, 2018
Mathematics
college
5
votes
44.5k
views
Solve 7(x - 4) + 4x = 71.
answered
Jul 23, 2018
Mathematics
middle-school
3
votes
60.2k
views
The __________ of 1688 ended forever in england the idea that kings ruled by divine right.
answered
May 11, 2018
History
high-school
4
votes
170k
views
Which statement best describes a true solution? A true solution will settle out after a short period of time. A true solution coagulates when heated or boiled. A true solution will not separate in a centrifuge.
answered
May 14, 2017
Chemistry
high-school
3
votes
32.8k
views
What are two ways in which human activities can affect the impact of a natural hazard
answered
Sep 3, 2016
Biology
middle-school
3
votes
202k
views
What brought an end to the Zhou dynasty? The wars of barbarian leader, Wu Wang Wars between the feudal lords The drought foretold by the "Mandate of Heaven" The end of the appointed 900 years of dynasty
answered
May 9, 2016
History
high-school
4
votes
9.6k
views
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