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The linear combination method gives a solution of (–4, 2) for which of these systems of linear equations? 3 x + 13 y = 14. And 6 x + 11 y = -2. 4 x + 5 y = 12. And 8 x + 3 y = -4. 5 x + 4 y = 12. And 7
answered
Dec 5, 2021
Mathematics
high-school
4
votes
13.1k
views
The value of which number lies between 14 and 15?
answered
Oct 30, 2021
Mathematics
high-school
7
votes
123k
views
The wavelength of visible light is about 5500 times longer than the wavelength of x-rays. If you represent the wavelenth of an x-ray photon by a line 1 inch long, how long a line (in feet) must you draw
answered
Oct 19, 2021
Physics
high-school
5
votes
212k
views
Solve: -3x – 7 < 11 Please help will give 63 points.
answered
Sep 15, 2021
Mathematics
college
2
votes
178k
views
McCarthy ruined many lives and careers as he led a witch hunt for ________________. a. Nazi’s c. Communists b. Dictators d. Socialists
answered
Sep 10, 2021
Social Studies
high-school
3
votes
28.2k
views
LIST ME THE COOLEST CREATIVE BUISNESS IDEAS THAT CAN GET ME RICH (personal buisness not occupation )
answered
Aug 27, 2021
Business
middle-school
1
vote
5.2k
views
Solve the equation below for x. cx-4=7 A. x=c/3 B. x=3/c C. x=11/c D. x=c/11
answered
Apr 29, 2021
Mathematics
college
5
votes
152k
views
What does the adjective innocent mean
answered
Mar 24, 2021
English
middle-school
0
votes
48.9k
views
Why does life hate me?
answered
Mar 18, 2021
Physics
high-school
2
votes
11.4k
views
In a relational database design, all relationships are expressed by ___________. Creating a line between entity types Creating a primary key Creating a super key Creating a foreign key
answered
Jan 23, 2021
Social Studies
high-school
1
vote
223k
views
What is heat of vaporization? A. It is the heat required to change a substance's temperature by 1°C. B. It is the heat required to change a gram of substance from a solid to a liquid. C. It is the heat
answered
Nov 29, 2020
Chemistry
middle-school
0
votes
49.5k
views
Describe active transport and provide an example
answered
Jul 16, 2020
Biology
middle-school
2
votes
224k
views
Question 13............. .....
answered
Jul 15, 2020
Mathematics
middle-school
3
votes
104k
views
Given: f(x) = x² and g(x) = 2x + 1, find f[g(x)].
answered
Apr 12, 2020
Mathematics
middle-school
4
votes
15.6k
views
A portrait has dimensions of 50 inches by 60 inches and is surrounded by a frame of uniform width. If the total area (portrait plus frame) is 3456 square inches, find the width of the frame
answered
Jan 24, 2020
Mathematics
high-school
3
votes
186k
views
What is active reading? A. engaged and attentive reading B. reading while doing something else, such as eating or watching television C. reading online D. reading about physical activity
answered
Sep 17, 2019
English
college
5
votes
51.1k
views
Each of the 23 students in ms Evans class raised $45 for the school by selling coupon books. How much money did the class raise?
answered
Apr 9, 2019
Mathematics
middle-school
3
votes
195k
views
A student prepares a solution by placing 0.355 g of niso4 · 6 h2o and 0.137 g of nicl2 · 6 h2o in a 250-ml volumetric flask. a small amount of distilled water is then added, and the compounds are swirled
answered
Feb 12, 2019
Chemistry
high-school
5
votes
64.0k
views
Which of the following should you do to make your argument effective? (5 points) Compare the opposite side's views to something unpleasant. Include only general details the audience will understand. Use
answered
Dec 4, 2018
English
high-school
2
votes
226k
views
What does plunge into the bottomless gulf mean from sinners in the hands of an angry god
answered
Nov 30, 2018
English
high-school
4
votes
55.0k
views
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