The front face of a Nordic house is triangular. The surface area of the face is x^2 + 3x + 10 where x is the base of the triangle. What is the height of the triangle in terms of x?
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OpenStudy (fanduekisses):
1/2 * x * h= x^2 + 3x + 10 right? but then idk what to do :(
OpenStudy (anonymous):
dude enough talking ok i have a plan
OpenStudy (fanduekisses):
?
OpenStudy (anonymous):
k what grade are you in
OpenStudy (fanduekisses):
11th
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OpenStudy (fanduekisses):
this is algebra 2
OpenStudy (anonymous):
i am only in 9th grade but i know it give me a few seconds
OpenStudy (fanduekisses):
well that's awesome :D yeah there are a couple of 9th graders in my class lol
OpenStudy (anonymous):
h = 2x + 6 + 20/x
t = V/(pi r^2)
t = d/S1+d/S2
S = 2/(1/S1+1/S2)
OpenStudy (anonymous):
there is your answer
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OpenStudy (fanduekisses):
-.- i know you just copied and pasted that
OpenStudy (fanduekisses):
off yahoo answers lol cos the other two answers are from a different question...lol
OpenStudy (anonymous):
or 1/2*x * h = x^2 + 3x + 10
so the height h =2( x + 3 + 10/x)
thick of oil on the surface h
V = 4/3TTr^2h
h = 3V/44TTr^2
OpenStudy (fanduekisses):
and I already knew the answer, just wanted to know how to solve it -.-
OpenStudy (anonymous):
well there is the work
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OpenStudy (anonymous):
give me my medal please
OpenStudy (fanduekisses):
errg ill just give it bc i'm feeling nice but not bc i found your answer helpful