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1) Carefully follow the steps to find the solution to the three equation system. 1.)2x-4y+3z=-7 2.)x+2y+z=15 3.)-3x+y+z=2 a. Use equations 2 and 3 and eliminate the z by multiplication and addition, creating
answered
Nov 27, 2023
Mathematics
high-school
18
votes
377k
views
A person stands at a point 245 m in front of the face of a sheer cliff. 1f the person shouts, how much time will elapse before an echo is heard? (Assume the speed of sound is 344 m/s.)
answered
Sep 23, 2023
Physics
college
23
votes
114k
views
Which structures contain endolymph
answered
May 11, 2023
Biology
college
13
votes
110k
views
The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane (C8H18) and calculate the mass (in kg) of carbon dioxide that is added to the atmosphere per 1.0 kg of octane
answered
Jul 18, 2022
Chemistry
high-school
8
votes
360k
views
A triangle has angles measuring 23 and 48 degrees. What is the measure of the third angle?
answered
Feb 16, 2022
Mathematics
college
28
votes
202k
views
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