bry7474
05.12.2019 •
Mathematics
Solve the system of equations. y = 6x - 27 y = 4x - 17
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Ответ:
y=4x-17(2)
By comparison
6x-27=4x-17
=> 2x=10 => x=5
Substitute x=5 into (1)
y=6(5)-27=3
Check:
y=4(5)-17=3 as well.
Ответ:
TanQ=20/21
Step-by-step explanation:
since we know that
TanQ= opposite/Adjacent
so we are going to calculate for the adjacent using Pythagoras theorem
a^2+b^2=c^2
20^2+b^2=29^2
400 + b^2=841
b^2=841-400
√b^2=√441
b=21
so our tanQ= opp/adj
tanQ=20/21