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Prove: If two circles are tangent internally at point P and the chords PA and PB of the larger circle intersect the smaller circle at points C and D respectively, then AB ∥ CD .
answered
Jul 13, 2021
Mathematics
middle-school
4
votes
219k
views
Order the steps to describe how information is A signal is produced. A signal is seen, heard, or used. Radio waves are modulated and amplified. (X Radio waves are amplified and demod
answered
Jun 28, 2021
Physics
college
1
vote
145k
views
How does this source add to the reader's understanding of Lincoln? It shows that he was frightened by battles and war. It shows that he took his leadership roles seriously. It shows that he had only a
answered
Jun 24, 2021
Social Studies
high-school
5
votes
66.8k
views
The railroad helped poorer immigrants from where to get to the United States? A. Eastern Europe B. Canada C. Africa D. Texas
answered
Jun 15, 2021
History
college
5
votes
61.0k
views
Although mercury is a metal, it is a liquid at room temperature. Mercury melts at about -39°C. If the temperature of a block of mercury starts at -54°C and increases by 22°C, does the mercury melt?
answered
May 22, 2021
Mathematics
high-school
1
vote
212k
views
If a major freeway with four lanes of traffic in one direction passes four cars per second at 100 km per hour during the rush period, and each car carries two people, how often would a commuter train of
answered
Mar 27, 2021
Mathematics
college
3
votes
213k
views
What role did the Buffalo play in the lives of plain indians
answered
Mar 8, 2021
History
middle-school
0
votes
147k
views
What is the best definition of a population? a group of individuals of the same species that have the potential to interbreed a group of individuals of related species that live in the same general location
answered
Jan 13, 2021
Biology
high-school
1
vote
62.7k
views
1. Describe a tu profesor(a). Describe your teacher. Answer the following questions. 1. ¿Quién es?
answered
Jan 5, 2021
Spanish
middle-school
4
votes
117k
views
In what ways was american expansionism different from and similar to the imperialism of european nations and japan?
answered
Aug 23, 2020
History
high-school
3
votes
66.4k
views
6. The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained by the test taker’s parents. A research hypothesis was that students
answered
Jun 16, 2020
Mathematics
college
3
votes
204k
views
Which type of hybridization is followed by CH3 free radical?
answered
Jun 6, 2020
Chemistry
middle-school
3
votes
41.3k
views
Horizontal stems below the ground are called? rhizomes spines runners roots
answered
Feb 7, 2020
Biology
middle-school
6
votes
24.7k
views
How might the cold war have progressed if the u-2 incident had never occurred think about it?
answered
Dec 5, 2019
History
college
3
votes
66.1k
views
What is the main difference between third-person omniscient and third-person limited points of view? An outside narrator relays the inner thoughts of all characters in third-person limited point of view
answered
Sep 10, 2019
English
high-school
2
votes
77.9k
views
Round the number 784,072 to the nearest hundred thousand
answered
Mar 18, 2019
Mathematics
middle-school
5
votes
156k
views
Class records at rockwood college indicate that a student selected at random has probability 0.75 of passing french 101. for the student who passes french 101, the probability is 0.91 that he or she will
answered
Mar 7, 2019
Mathematics
college
6
votes
157k
views
Henry George, Edward Bellamy, and Francis Willard have in common
answered
Jan 31, 2019
History
middle-school
3
votes
83.9k
views
Simplify the expression (20-14)^2 divided by 12 A)1 B)3 C)17 D)0.5
answered
Aug 14, 2018
Mathematics
high-school
5
votes
137k
views
Which event reversed many of the gains African Americans made in the 1870s??
answered
Jun 29, 2018
History
high-school
6
votes
175k
views
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