Mathematics
11 Online
OpenStudy (dinmosiaren):
Help Please?
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OpenStudy (anonymous):
question?
OpenStudy (dinmosiaren):
OpenStudy (anonymous):
D
OpenStudy (dinmosiaren):
How do you know that fast?
OpenStudy (anonymous):
lol its pretty easy man
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OpenStudy (anonymous):
lemme show u
OpenStudy (dinmosiaren):
Which ordered pair in the form (a, b) is a solution of this equation?
3a – 4b = 21
A.
(0, 7)
B.
(–2, –3)
C.
(–3, –2)
D.
(7, 0)
OpenStudy (anonymous):
|dw:1400369446568:dw|
OpenStudy (dinmosiaren):
What one?
OpenStudy (anonymous):
D again :3
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OpenStudy (anonymous):
ignore the 1 just to make it positive we multiply both sides by minus sign
OpenStudy (dinmosiaren):
OpenStudy (anonymous):
C
OpenStudy (dinmosiaren):
2 more ok?
OpenStudy (anonymous):
okie sure
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OpenStudy (dinmosiaren):
Which ordered pair in the form (x, y) is a solution of this equation?
(x + 3)y = 14
A.
(5, 2)
B.
(3, 2)
C.
(7, 2)
D.
(11, 1)
OpenStudy (anonymous):
D
OpenStudy (anonymous):
put X as 11 so 11+3=14 and if u multiply it with y which is 1 in D so that is 14 so 14=14
OpenStudy (dinmosiaren):
Which pairs are solutions to the equation?
5xy + 9 = 44
A.
(1, 7) and (4, 11)
B.
(1, 7) and (7, 1)
C.
(4, 11) and (2, 3)
D.
(7, 1) and (2, 3)
OpenStudy (anonymous):
B
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OpenStudy (anonymous):
sorry C
OpenStudy (anonymous):
my bad
OpenStudy (dinmosiaren):
No it was B
OpenStudy (anonymous):
no it is C
OpenStudy (dinmosiaren):
I got 100% Thanks
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OpenStudy (dinmosiaren):
it was B!
OpenStudy (anonymous):
sure? o.o cuz that doesnt prove the equation
OpenStudy (dinmosiaren):
Well it was B lol
OpenStudy (anonymous):
oh yea sorry its B
OpenStudy (anonymous):
missread lol
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OpenStudy (dinmosiaren):
Thanks
OpenStudy (anonymous):
no problem :3