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Travka [436]
3 years ago
6

The value of (6-1 – 8-1) -1 is . plz answer fast

Mathematics
1 answer:
myrzilka [38]3 years ago
7 0

Answer: -5

Step-by-step explanation:

Paranthesis First, 6-1-8-1=-4-1=-5

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ollegr [7]

Answer:

2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.

Step-by-step explanation:

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Perimeter of rectangle = 2 ( length + breadth )

Here, given rectangle has dimension

Length = 2x^2-16 and breadth = -x^2+4x+1

Thus, perimeter of rectangle = 2(2x^2-16+(-x^2+4x+1))

                                              =2(2x^2-16-x^2+4x+1)

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Thus, perimeter of rectangle is 2x^2+8x-30   ........(1)

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Put x= 3 in (1) ,

2x^2+8x-30\Rightarrow 2(3)^2+8(3)-30 \Rightarrow 18+24-30=12

Thus, 2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.




5 0
3 years ago
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