Calculate the perimeter of a rectangle with a length of 17.5 cm and a width of 40 mm in cm


Answer 1

Answer: 43 cm

Step-by-step explanation:

The perimeter of rectangle is given by :-

P=2(l+w), where l is length and w is width of the rectangle.

Given : The length of rectangle is 17.5 cm and the width is 40 mm in cm.

Since , 1 cm = 10 mm

Then, 40 mm= (40)/(10)\ cm=4\ cm

Then, the  perimeter of rectangle will be :-

P=2(17.5+4)\n\n\Rightarrow\ P=2(21.5)\n\n\Rightarrow\ P=43\ cm

Hence, the perimeter of rectangle = 43 cm

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Step-by-step explanation:


n+257 = 277

n = 277 - 257

n = 20



Step-by-step explanation:

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In a scale drawing, the length of the airplane is 7 inches. What is the length of the real airplane? Scale factor: 1 in:9 ft



63 ft

Step-by-step explanation:

Multiply your scale factor by 7.

  1 in : 9 ft . . . . . . . . . . your scale factor

  7·(1 in) : 7·(9 ft) . . . . . indicate the multiplication

  7 in : 63 ft . . . . . . . . do the multiplication


u mStep-by-step explanation:


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exactly 6 heads



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C) 8

Step-by-step explanation:

41 + 6x + 1 = 90° because this is a right angle

42 + 6x = 90 subtract 42 from both sides

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x = 8


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Step-by-step explanation:






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1 batch and 6 cups of water = 1 cup of detergent

2 batches and 12 cups of water = 2 cups of detergent

3 batches and 18 cups of water = 3 cups of detergent

4 batches and 24 cups of water = 4 cups of detergent

Step-by-step explanation:

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