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Solve the system of equations by substitution. What is the solution for x? 2x + y = 1 4x + 2y = −2 A. x = 0 B. x = 2 C. There is no x value, as there is no solution. D. x can be any value, as there is
answered
Nov 14, 2018
Mathematics
high-school
5
votes
161k
views
The name of the commonly used hardness scale is:
answered
Sep 29, 2018
Chemistry
high-school
3
votes
82.9k
views
Congress met for the first time
answered
Aug 23, 2018
Social Studies
middle-school
6
votes
86.5k
views
The _____ scale rates the strength of earthquake as a magnitude
answered
Jun 15, 2018
Geography
high-school
4
votes
55.2k
views
Employees that must use powder-actuated tools are _________ to be licensed and trained to use them safely.
answered
May 20, 2018
Mathematics
middle-school
5
votes
115k
views
Which word correctly completes this sentence? Yo compré faldas y Mercedes ________ compró también. la los las les the answer is las
answered
Apr 11, 2018
Spanish
middle-school
1
vote
164k
views
You start a lawn care company with four friends. You agree to split the profits equally. The tools you need to buy cost $525. How much income will you have to earn to each make a profit of $400?
answered
Mar 12, 2018
Mathematics
middle-school
1
vote
141k
views
What conclusion can be drawn about Dr. Kenny's wife? A. Dr. Kenny tells Rukmani that his wife has left him. B.Dr. Kenny tells Rukmani that his wife loves him. C.Dr. Kenny tells Rukmani that his wife desires
answered
Nov 26, 2017
English
high-school
4
votes
27.2k
views
A line has a slope of –5 and a y-intercept of (0, 3). What is the equation of the line that is perpendicular to the first line and passes through the point (3, 2)?
answered
Aug 10, 2017
Mathematics
high-school
3
votes
5.6k
views
Mid-ocean ridges normally form where tectonic plates are
answered
Aug 9, 2017
Geography
middle-school
4
votes
103k
views
How are the carbon, oxygen, and nitrogen cycles vital to sustaining life on Earth?. a.. Carbon, oxygen, and nitrogen are vital components of life on Earth.. b.. The carbon, oxygen, and nitrogen cycles
answered
Jul 26, 2017
Chemistry
high-school
5
votes
143k
views
A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a: A. cave. B. stalactite. C. sinkhole. D. stalagmite.
answered
Mar 17, 2017
Geography
middle-school
4
votes
181k
views
The Bill of Rights _____________________. was all passed on the same date spells out the rights of all of the people in the United States is found in all countries on the planet is only for rich people
answered
Sep 27, 2016
History
high-school
6
votes
61.7k
views
Why is carbon essential to all known life on Earth?
answered
May 4, 2016
Biology
high-school
5
votes
97.5k
views
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