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Tamiku [17]
3 years ago
12

Add the two expressions. 2x + 6 and 6.2 - 1 Enter your answer in the box.

Mathematics
1 answer:
madam [21]3 years ago
8 0

Answer:

8x + 5

Step-by-step explanation:

By adding

2x + 6 + 6x -1

8x + 5

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The length of a rectangle is twice its width. if the perimeter is 72 meters, find the length and width of the rectangle
madam [21]
Length(l)= 2w
width(w)= w

Perimeter(P)= 2w+2l= 72 (simplify expression: divide each side by 2 )
P= w+l= 36 (plug in "2w" for "l")
P= w+(2w)= 36
P= 3w= 36 (divide each side by 3 to find the width)
w= 12 units

find length:
l=2w
l= 2(12)
l= 24 units

Answer:
The length of this rectangle is 24 units and the width is 12 units.
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3 years ago
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Andreyy89
8x^4-28x^3+4x^2
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8x + 4 - 3 - x<br> PLEASE solve it!!!!
leva [86]
8x - x + 4 - 3
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6 0
2 years ago
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I don't like doing math help if you know :)
dalvyx [7]

Answer:

Step-by-step explanation:

-(2x+1)

-2x-1

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