(b) In the diagram, AABD has C on BD. AC 2, CD = 1, AD 3 and 4' Also, BC %3D cos(ZACD) = АВ. Determine the length of B

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Needed to be solved part b correctly in 10 minutes and get the thumbs up please show neat and clean work
7.
(a) A computer is programmed to choose an integer between 1 and 99, inclusive,
so that the probability that it selects the integer r is equal to log100 ( 1+).
Suppose that the probability that 81 < r< 99 is equal to 2 times the probability
that x = n for some integer n. What is the value of n?
(b) In the diagram, AABD has C on BD.
Also, BC = 2, CD
AC
1,
AD
and
4'
%3D
%3D
cos(ZACD) =
3
Determine the length of
АВ.
B
Transcribed Image Text:7. (a) A computer is programmed to choose an integer between 1 and 99, inclusive, so that the probability that it selects the integer r is equal to log100 ( 1+). Suppose that the probability that 81 < r< 99 is equal to 2 times the probability that x = n for some integer n. What is the value of n? (b) In the diagram, AABD has C on BD. Also, BC = 2, CD AC 1, AD and 4' %3D %3D cos(ZACD) = 3 Determine the length of АВ. B
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