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8x+9y=-28 -4x=y solve the system by subsitution
asked
Jun 27, 2023
Mathematics
high-school
2
answers
3
votes
120k
views
A wave has a wavelength of 2 meters and a frequency of 1.5 hz. What is its speed
asked
Oct 18, 2022
Physics
high-school
1
answer
14
votes
266k
views
Triangle interior angles theorem answer and explain briefly
asked
Jul 13, 2022
Mathematics
high-school
1
answer
12
votes
496k
views
What is the reciprocal of -11/30
asked
Feb 18, 2022
Mathematics
high-school
1
answer
25
votes
425k
views
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