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A red supergiant is observed in a globular cluster in another galaxy (located 150,000 light years away). It is predicted, based on its mass and age of the star that it will become supernova in about 10,
answered
May 14, 2020
Physics
high-school
3
votes
110k
views
R+(−5r) a little help
answered
Jan 19, 2020
Mathematics
middle-school
2
votes
179k
views
Explain why you might enjoy or not enjoy consuming a bowl of soup saturated with salt.
answered
Jun 18, 2019
Chemistry
middle-school
2
votes
155k
views
A Line passes through the points start At (0,0) and Graph a line using 1/2 as slope
answered
Jun 14, 2019
Mathematics
middle-school
4
votes
45.9k
views
Combine like terms. -5x - 3x +7x Question 5 options: 15x -x x 9x 6 (1 point) Question 6 Unsaved Combine like terms. x + x + x - 10x Question 6 options: 7x -7x 13x -13x 7 (1 point) Question 7 Unsaved Combine
answered
Oct 29, 2018
Mathematics
middle-school
5
votes
174k
views
What is the product? (5r + 2)(3r – 4) A. 15r^2 + 8 B. 15r ^2 -8 C. 15r^2 + 14r – 8 D. 15r^2 –14r – 8
answered
Jul 27, 2018
Mathematics
high-school
1
vote
199k
views
What was one of former president ronald reagans most effective tools for communication with his audience?
answered
Feb 22, 2018
History
high-school
1
vote
148k
views
A camera attached to a telescope photographs a star’s image once every 0.045 seconds. How many complete images can the camera capture in 3 seconds?
answered
Oct 16, 2017
Mathematics
middle-school
4
votes
146k
views
During his election campaign in 1988, George H.W. Bush promised not to A. raise taxes. B. engage in foreign conflicts. C. cut funding for welfare programs. D. increase the minimum retirement age.
answered
Aug 31, 2016
History
high-school
4
votes
181k
views
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