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3241004551 [841]
3 years ago
12

Find the difference of -12.7 - (-5.6) 17.13 -7.13 -8.4

Mathematics
1 answer:
Lynna [10]3 years ago
5 0

Answer:

-7.13

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
The first side of a triangle is 2 inches shorter than the second side. The third side is 5 inches longer than the second side. I
fomenos
Let the length of second side be x" ,

So,
Length of first side = 2" shorter than second = ( x - 2 )"
Length of third side = 5" longer than second = ( x + 5 )"




=×=×=×=×=×=×=×=×=×=×=×=×=×=×=×=×=




\text{Perimeter = sum of all sides  }



Given, perimeter = 33"




= > first side + second side + third side = 33"


= > ( x - 2 ) + x + ( x + 5 ) = 33

= > x - 2 + x + x + 5 = 33

= > 3x + 3 = 33

= > 3x = 30


= \:   >  x = \frac{30}{3}


= > x = 10








Hence, length of each side is

First side = ( x - 2 )" = ( 10 - 2 )" = 8 inches

Second side = x " = 10 inches

Third side = ( x + 5 )" = ( 10 + 5 )" = 15 inches
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3 years ago
What is the area of the composite figure?
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I cant see one of the numbers
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