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Solve the system using substitution. Show work. {4x+5y=7 {y=3x+9
asked
Oct 18, 2019
Mathematics
high-school
1
answer
2
votes
61.3k
views
What is the sum of the infinite geometric series represented by (picture) A. 240 B. 360 C. 135 D. 720 (please help)
asked
Apr 17, 2019
Mathematics
high-school
1
answer
3
votes
74.3k
views
What is the estimate of 1,374 x6
asked
Feb 22, 2019
Mathematics
middle-school
2
answers
0
votes
192k
views
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