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A(n) ________ is a variable that affects both variables of interest and may falsely give the impression of a cause-and-effect relationship confounding variable control variable dependent variable independent
answered
Dec 25, 2018
Biology
high-school
5
votes
65.6k
views
Write -2.75 as a ratio of two integers
answered
Nov 24, 2018
Mathematics
middle-school
4
votes
176k
views
A student applies a force to a wall and become exhausted .was any work done
answered
Sep 27, 2018
Physics
high-school
6
votes
98.8k
views
Which is a characteristic of the young narrator in the memoir "A Cub Pilot"? frantic activity incompetent decisions pious beliefs discouraged thoughts
answered
Sep 6, 2018
English
middle-school
6
votes
151k
views
Is the TI-36X Pro allowed in the PSAT
answered
Aug 9, 2018
Mathematics
high-school
0
votes
37.8k
views
Miriam bought a digital camera that cost $140. The sales tax in her state was 7%. What is the final amount that Miriam paid for the camera?
answered
Mar 30, 2018
Mathematics
middle-school
4
votes
140k
views
What is the molarity of a solution of 14.0 g NH4Br in enough H20 to make 150 mL of solution?
answered
Jul 20, 2017
Chemistry
high-school
4
votes
171k
views
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