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DanielleElmas [232]
3 years ago
7

Hello please help me

Mathematics
2 answers:
LenKa [72]3 years ago
3 0

Answer:

  1. perimeter is 9+7.5+6=22.5cm
  2. we know that area is(1/2* base *height)

=1/2*9*4.2

=18.9square cm

dezoksy [38]3 years ago
3 0

Answer:

Perimeter: 6 + 7.5 + 9 = 22.5

area: 18.9

Step-by-step explanation:

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What is the solution of 4+ 5x+66 = x+ 10? O x = -10 Ox=3 O x=-10 or x = 3 O no solution​
Alla [95]

Hey there!

4 + 5x + 66 = x + 10

70 + 5x = x + 10

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SUBTRACT x to BOTH SIDES

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Therefore, your answer is: x = -15


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

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