Mathematics
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OpenStudy (anonymous):
PLEASE HELP!!!!!!!!!!!! PLEASE PLEASEE PLEASE *WITH PUPPY EYES* I WILL GIVE MEDAL AND BE FAN
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OpenStudy (anonymous):
what is your question
OpenStudy (anonymous):
square root of -81/100
OpenStudy (anonymous):
square root(-81) / 100 =
0.09 i
OpenStudy (anonymous):
as a fraction plz
OpenStudy (anonymous):
ok give me a sec
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OpenStudy (anonymous):
2 questions after this one btw
OpenStudy (anonymous):
go on this and you will get your answer www.youtube.com/watch?v=Thxzb35HQlw
OpenStudy (shamil98):
\[\huge \frac{ \sqrt{-81} }{\sqrt{100} } = \frac{ 9i }{ 10 }\]
OpenStudy (anonymous):
THX SHAMIL
OpenStudy (anonymous):
sorry if i did not help
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OpenStudy (anonymous):
u did plus two more questions
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
:D
OpenStudy (anonymous):
What are the solutions to the equation x² = 256?
Choose all answers that are correct.
A.
128
B.
–128
C.
16
D.
–16
OpenStudy (anonymous):
D
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OpenStudy (anonymous):
did that help
OpenStudy (anonymous):
well bye
OpenStudy (anonymous):
WAIT
OpenStudy (anonymous):
what :D
OpenStudy (anonymous):
there's multiple choice and plus i need 1 more question
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OpenStudy (anonymous):
ok hit it :D
OpenStudy (anonymous):
what other answer do u think is it
OpenStudy (anonymous):
-16
OpenStudy (anonymous):
thx
jimthompson5910 (jim_thompson5910):
x^2 = 256
x = +-sqrt(256) ... don't forget the plus/minus
x = sqrt(256) or x = -sqrt(256)
x = 16 or x = -16
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OpenStudy (anonymous):
last question
OpenStudy (anonymous):
what?
OpenStudy (anonymous):
What is ur question :D
OpenStudy (anonymous):
so.......................what is your question
OpenStudy (anonymous):
oh sorry
What are the solutions to the equation y² –5 = 31?
Choose all answers that are correct.
A.
18
B.
6
C.
–18
D.
–6
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OpenStudy (anonymous):
-18
jimthompson5910 (jim_thompson5910):
hint: y^2 - 5 = 31 turns into y^2 = 36 when you add 5 to both sides
OpenStudy (anonymous):
forget what i said he is right^
OpenStudy (anonymous):
ok thx anyway angel
OpenStudy (anonymous):
ok gtg bye
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OpenStudy (anonymous):
bye :D
OpenStudy (anonymous):
wait
OpenStudy (anonymous):
what :D
OpenStudy (anonymous):
so what answer choices is that
OpenStudy (anonymous):
for what
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OpenStudy (anonymous):
i am confused what do you mean
OpenStudy (anonymous):
what is the anwser
OpenStudy (anonymous):
B
OpenStudy (anonymous):
thx :D