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A student is solving the system of equations below. In which line is a mistake first made? 2x + y - 2z = 23 3x + 2y + z = 11 x - y + z = -2 Line 1 z = 11 + 3x + 2y Line 2 2x + y - 2(11 + 3x + 2y) =
answered
Jul 3, 2020
Mathematics
high-school
0
votes
85.5k
views
What did the government do to segregation the population ( three examples)
answered
Jun 21, 2020
History
middle-school
5
votes
41.7k
views
Assume that Jack, Hal, and Sophia enter into a valid contract for the sale of the restaurant and for a covenant not to compete. The contract calls for Hal and Sophia to pay $300,000 now and 10% of the
answered
Jun 6, 2020
Business
high-school
1
vote
119k
views
Choose the best translation for the following sentence. Say it! ¡Diles! ¡Dilo! ¡Dalo! ¡Dime!
answered
May 28, 2020
Spanish
middle-school
3
votes
122k
views
Find the domain and range, graph
answered
May 20, 2020
Mathematics
high-school
5
votes
57.8k
views
Why did Mendel use pea plants in his experiments? A. They have no alleles. B. They are haploid organisms. C. They reproduce quickly. D. They are all male.
answered
Mar 15, 2020
Biology
high-school
5
votes
51.7k
views
28 is 12 less than k
answered
Dec 30, 2019
Mathematics
college
1
vote
107k
views
Tracy examines a table that lists the frictional coefficients of various pairs of surfaces. If she wants to find out which coefficient she should apply to her lab data, the BEST source to consult would
answered
Nov 11, 2019
Biology
high-school
6
votes
108k
views
PLZ HELP AS FAST. question:Allison is painting sails for a model ship. Each sail is a triangle and has the same perimeter. Which sail has the greatest area?
answered
Oct 24, 2019
Mathematics
middle-school
4
votes
145k
views
Which of the following is a way that Hinduism is different from Buddhism? A. Hinduism does not teach the belief in reincarnation. B. Buddhism does not teach the belief in karma. C. Hinduism does not use
answered
Feb 23, 2019
Social Studies
high-school
4
votes
193k
views
greenland was settled by europeans who overpowered the tribes of people already living there. which of these best explains why?
answered
Jan 29, 2019
Geography
middle-school
6
votes
126k
views
Like the work of other authors of her time, Mary Shelley's work features: (a) character who fall from glorious accomplishment to grave dishonor (b) allusions to literary works that readers have not read,
answered
Nov 15, 2018
English
high-school
1
vote
68.0k
views
How long should the wooden frame be (use 3.14 for pi)
answered
May 16, 2018
Mathematics
middle-school
0
votes
75.8k
views
A card is drawn from a standard deck of 52 playing cards. find the probability that the card is an ace or a black card.
answered
Apr 1, 2018
Mathematics
high-school
3
votes
8.6k
views
What will the police do if you are caught running a red light?
answered
Mar 27, 2018
Spanish
college
0
votes
182k
views
Use the horizontal scroll bar to navigate through the _______.?
answered
Mar 16, 2018
Computers and Technology
high-school
3
votes
36.8k
views
Hans Christian Ørsted observed that when a current-carrying wire was brought near a compass, the compass needle moved. In Ørsted’s observation, the current-carrying wire acted like a (generator magnet
answered
Feb 3, 2018
Physics
high-school
3
votes
147k
views
Write the name of the period that has the digits 913
answered
Aug 29, 2017
Mathematics
middle-school
7
votes
202k
views
How was James I's rule of England similar to Peter the Great's rule of Russia?. . A. Both reduced the size of their empire.. . B. Both increased their own power without approval by other government entities.
answered
Jun 27, 2017
History
high-school
4
votes
143k
views
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