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devlian [24]
3 years ago
7

5 squares are placed end to end as below (see pic). What is the perimeter of the rectangle formed by the squares?

Mathematics
1 answer:
Nataly_w [17]3 years ago
5 0
2b: If x is 2.1, then one side of the rectangle is 2.1, and another is 2.1*5=10.5.  Thus, the perimeter is 2*(2.1+10.5)=2*12.6=25.2.

3: One side of the square with side-length three will not be on the outside, so we have 3*3=9 inches perimeter from the square of side-length 3.  The square of side-length 6 has 3 from the top side missing from the outer perimeter, because it coincides with a side of the square of side-length three.  This square contributes 6*4-3=33 inches.  The total perimeter is 33+9=42 inches.
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Step-by-step explanation:

all decimal points are 5 or greater so you round up.

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4 0
3 years ago
What's The Answer??????????????????
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7 0
3 years ago
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AVprozaik [17]

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8 0
3 years ago
One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large
sergey [27]

Answer:

R = 10 cm

Step-by-step explanation:

The area of a spherical shape is given by :

A=4\pi r^2

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ATQ,

One large bubble separates into four small bubbles so that the total area of the small bubbles is equal to the area of the large bubble.

The radius of each small bubble is 5 cm

Using the given condition,

4\pi R^2=4\times (4\pi r^2)\\\\R^2=4r^2\\\\R=\sqrt{4r^2} \\\\R=2r\\\\R=2\times 5\\\\R=10\ cm

So, the radius of the large bubble is equal to 10 cm.

5 0
3 years ago
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