Mathematics
6 Online
OpenStudy (anonymous):
http://static.k12.com/calms_media/media/243500_244000/243680/1/1769d475256a6d52dc451f9a2f228e0b7827c06a/VHS_PA_S2_04_L211_L312_UT_Q4.gif
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OpenStudy (anonymous):
What is the distance between point A and point B? Round to the nearest tenth.
A.
2.2 units
B.
4.6 units
C.
8.5 units
D.
9.1 units
OpenStudy (shamim):
ok i m trying
OpenStudy (shamim):
i think ur given point A(-3,-1) and b(5,2)
OpenStudy (anonymous):
so how far apart are they 3 units
OpenStudy (anonymous):
wait there is no 3 units
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OpenStudy (shamim):
u need to use the law \[AB=\sqrt{((x _{1}-x _{2}{})^{2}(y _{1}-y _{2})^{2})}\]
OpenStudy (anonymous):
ok so how far apart are they
OpenStudy (shamim):
u know \[x _{1}=-3,y _{1}=-1,x _{2}=5, y _{2}=2\]
OpenStudy (anonymous):
so 2.2 units
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OpenStudy (anonymous):
What is the length (c) of the hypotenuse of the right triangle?
A.
17 feet
B.
18 feet
C.
23 feet
D.
289 feet
OpenStudy (shamim):
\[c=\sqrt{15^{2}+8^{2}}\]
OpenStudy (anonymous):
(4 pt)
What is cos P?
A.
B.
C.
D.
OpenStudy (shamim):
17
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OpenStudy (anonymous):
ok
OpenStudy (shamim):
\[\cos P=\frac{ 5 }{ 13 }\]
OpenStudy (anonymous):
What is the perimeter of triangle ABC? Round to the nearest tenth.
OpenStudy (anonymous):
A.
5.8 units
B.
13.8 units
C.
14.8 units
D.
2.4 units
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OpenStudy (shamim):
u know
AB=3
BC=5
OpenStudy (shamim):
\[AC=\sqrt{5^{2}+3^{2}}=\sqrt{34}\]
OpenStudy (anonymous):
ok so whats the answer
OpenStudy (shamim):
calculate
AB+BC+CA
OpenStudy (shamim):
did u get result
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OpenStudy (shamim):
ok
OpenStudy (shamim):
AB+BC+CA=\[3+5+\sqrt{34}\]
OpenStudy (shamim):
b
OpenStudy (anonymous):
i get 42
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OpenStudy (anonymous):
A.
8 and 9
B.
9 and 10
C.
10 and 11
D.
84 and 85
OpenStudy (anonymous):
r u still there
OpenStudy (anonymous):
and i think its b
OpenStudy (shamim):
ya i m now here
OpenStudy (anonymous):
ok i opened a new one can u come into that one
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OpenStudy (shamim):
ya
OpenStudy (shamim):
u can question