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Vadim26 [7]
3 years ago
6

How do you solve question 27 and 28

Mathematics
2 answers:
Brrunno [24]3 years ago
6 0

Answer:#1 C.30 #2 40


Step-by-step explanation:

3x+15=7x-5

3x+15+5=7x-5+5

3x+20=7x

3x-3x+20=7x-3x

20=4x

20/4=4/4x

5=x so if it is an equilateral all sides are equal so 3(5)+15=30 so the answer should be 30

So the triangle in #2 is an isoceles so two of the angles are equal so the equation is 2(2x-24)+3x+4=180

4x-48+3x+4=180

7x-44=180

7x=224

x=32

2(32)-24

64-24=40

Nataly_w [17]3 years ago
5 0
You solve it like the person up there said people are really smart these days lol
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Step-by-step explanation:

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\boxed{\large{\bold{\textbf{\textsf{{\color{blue}{Answer}}}}}}:)}

  • \sf{25\%=\dfrac{25}{100}=\dfrac{1}{4}  }

  • \sf{ 40\%=\dfrac{40}{100}=\dfrac{2}{5}  }

  • \sf{16\%=\dfrac{16}{100}=\dfrac{4}{25}  }

  • \sf{150\%=\dfrac{150}{100}=\dfrac{3}{2}  }

  • \sf{120\%=\dfrac{120}{100}=\dfrac{6}{5}  }

  • \sf{58\%=\dfrac{58}{100}=\dfrac{29}{50}  }

  • \sf{32\%=\dfrac{32}{100}=\dfrac{8}{25}  }

  • \sf{175\%=\dfrac{175}{100}=\dfrac{7}{4}  }

\sf{   }

\sf{   }

\sf{   }

\sf{   }

\sf{   }

\sf{   }

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2 years ago
Read 2 more answers
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