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natali 33 [55]
3 years ago
10

Plz help with the math question

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

the answer is 20

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4 years ago
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love history [14]

Answer:  (b) 48 cm

==========================================================

Explanation:

Divide the perimeter of the square over 4 to get the side length s.

s = P/4

s = 48/4

s = 12

The side length of the square is 12 cm. This leads to an area of...

A = s^2

A = 12^2

A = 144

The area of the square is 144 square cm.

The rectangle is 4 cm^2 less than the square's area, so we know the rectangle has area 144-4 = 140 cm^2.

If the length of the rectangle is 14 cm, then the width must be

W = A/L

W = 140/14

W = 10

This is a 14 cm by 10 cm rectangle (note how 14*10 = 140)

The last step is to compute the perimeter of the rectangle

P = 2(L+W)

P = 2(14+10)

P = 2*24

P = 48

You can use the formula P = 2L+2W, but it's effectively the same thing.

The perimeter of the rectangle is 48 cm.

6 0
3 years ago
PLEASE HELP ME!!! I WILL NAME BRAINIEST
Lunna [17]

Answer:

Rational, because it is a fraction.

Step-by-step explanation:

A number which can be represented in the form of p/q where p belongs to integers and q belongs to natural numbers.

=34/3=11.3333

Since 34 and 3 do not have any common factor other than 1, it is a rational number.  The numerator  p=34 belongs to integers and the denominator q=3 belongs to natural numbers.  Also, the decimal expansion is a non-terminating decimal since it does not end.

7 0
3 years ago
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