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faltersainse [42]
3 years ago
15

5(c + d) +2(4c + 2d)

Mathematics
2 answers:
Svetlanka [38]3 years ago
4 0

Answer:

first you would distribute so multply 5 to c and d an dthen multply 2 to 4c and 2d

5c+5d=8c+4d

now we can subtract 4d from both sides

5c+d=8c

and subtract 5c from both sides

d=3c this is what your left with so this is your answer

Step-by-step explanation:

True [87]3 years ago
3 0

Answer:

13c + 9d

Step-by-step explanation:

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The sum of a rectangle's boundary lengths on all sides is known as its perimeter. A rectangle's perimeter is a linear measurement that can be expressed in meters, feet, inches, or yards. Let's first comprehend the two fundamental characteristics of a rectangle.

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Let the length of the rectangle be x feet

Then, the width of the rectangle will be x+1feet

We know that the perimeter of a rectangle is given by

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Here

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Put l=x, w= x+1 and P= 38 in the perimeter formula

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