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lukranit [14]
2 years ago
9

Law of Cosines HELP!!!!!

Mathematics
1 answer:
Kamila [148]2 years ago
8 0

Answer:

41.883

Step-by-step explanation:

c^2 = 29^2 + 13^2 - 2(29)(13)(cos 41)

c^2 = 841 + 169 - 754(-0.987)

c^2 = 1010 + 744.198

c^2 = 1754.198

c = 41.883

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Inga [223]

The surface area of a regular tetrahedron with edge length s is

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8 0
4 years ago
Show that the expression (x+y)(x-y)-14x+49 may be written as the difference of two squares.
iren [92.7K]
For
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4 years ago
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Varvara68 [4.7K]

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supplement is 126 degrees 7

4 0
3 years ago
Two stacks of quarters are shown. Both stacks have the same amount of quarters.
Sophie [7]

Answer:

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Step-by-step explanation:

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