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Marina86 [1]
3 years ago
11

Help Me please!!!!! Rn

Mathematics
2 answers:
Sati [7]3 years ago
8 0

Answer:

A + 120 + 40 = 180 (interior angles of a triangle equal to 180°)

A = 180-120-40

A = 20°

Sergio039 [100]3 years ago
4 0

Answer:

20 degrees

Step-by-step explanation:

The sum of inner angles of a triangle is 180 degrees

120 + 40 + x = 180

160 + x = 180

x = 20

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Answer:

Her new monthly payment is now $1,378.91¢

Step-by-step explanation:

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All the terms needed for the calculation of her new monthly mortgage is now complete.

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 M = 231,905.47[\frac{0.00431(1+0.00431)^{300} }{(1+0.00431)^{300} -1}]

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