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lesya [120]
3 years ago
15

HELPPPP

Mathematics
1 answer:
AnnZ [28]3 years ago
4 0

Answer:

130⁰. unsure. angle sum, 25+25+x =180, so x=180-25-25

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If s ( x ) = 2 - x² and t ( x ) = 3x, what is s ( t ( -7 ) )?
soldi70 [24.7K]

Answer:

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Step-by-step explanation:

  • s ( x ) = 2 - x²
  • t ( x ) = 3x
  • s ( t ( -7 ) ) = ?

--------------------------

  • t (-7) = 3 * ( -7 ) = -21
  • s ( t ( -7 ) ) = s ( -21 ) = 2 - ( -21 )² = 2 - 441 = - 439
  • s ( t ( -7 ) ) = -439
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