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Vitek1552 [10]
3 years ago
14

Tomas drew a rectangular with an area of 6 square centimeters. What is the greatest possible perimeter for this rectangle

Mathematics
1 answer:
anzhelika [568]3 years ago
8 0
There is no "greatest" possible perimeter.

There's a smallest possible perimeter.  That's a square.
Since the area is 6 square centimeters, each side of the square is
√6 = about 2.45 cm, and the perimeter is about  9.8 cm (rounded).

But there's no 'greatest' perimeter.  You can take that square
and if you're careful, you can make it into rectangles that all have
the same area ... 6 square cm ... but the longer and skinnier
you make it, the greater the perimeter will be. 
You can give me a number as big as you want, and I can make
a rectangle with a perimeter of your number, but an area of only
6 square centimeters !

Here are some few examples.  They all have
the same area, but different perimeters:

2.45 cm by 2.45 cm ...   Area = 6 square cm ... Perimeter = 9.8 cm

2 cm by 3 cm ...              Area = 6 square cm ... Perimeter = 10 cm
1.5 cm by 4 cm ...           Area = 6 square cm ... Perimeter = 11 cm
1.2 cm by 5 cm ...           Area = 6 square cm ... Perimeter = 12.4 cm
1 cm by 6 cm ...              Area = 6 square cm ... Perimeter = 14 cm
0.8 cm by 7.5 cm ...        Area = 6 square cm ... Perimeter = 16.6 cm
0.6 cm by 10 cm ...         Area = 6 square cm ... Perimeter = 21.2 cm
0.5 cm by 12 cm ...         Area = 6 square cm ... Perimeter = 25 cm
0.4 cm by 15 cm ...         Area = 6 square cm ... Perimeter = 30.8 cm
0.3 cm by 20 cm ...         Area = 6 square cm ... Perimeter = 40.6 cm
0.2 cm by 30 cm ...         Area = 6 square cm ... Perimeter = 60.4 cm
0.1 cm by 60 cm ...         Area = 6 square cm ... Perimeter = 120.2 cm

0.001cm by 6,000cm ... Area = 6 square cm ... Perimeter = 12,000.2 cm
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Answer:

A)

Step-by-step explanation:

youjust have to do this:

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x-------------------------------3/3 hour or 1 hour

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8 0
3 years ago
What are the coordinates of R' after a dilation by a scale factor of 3, centered at the origin, followed by the translation (x,
emmainna [20.7K]

9514 1404 393

Answer:

  C.  (9, 18)

Step-by-step explanation:

Given R(3, 5), a dilation by a factor of 3 will multiply each coordinate to give ...

  (9, 15)

Then the translation up by 3 will give you the image coordinates ...

  (x, y) ⇒ (x, y+3)

  (9, 15) ⇒ (9, 15 +3) = (9, 18)

The coordinates of R' are (9, 18), matching choice C.

_____

<em>Comment on multiple choice answers</em>

As it often does, here it works to "guess" the answer that has the coordinates that are most-repeated. An x-coordinate of 9 is part of 3 answer choices; a y-coordinate of 18 is the only repeated value in the answer choices. If you were to guess, an appropriate guess would be (9, 18). That happens to be correct in this case.

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John buys a computer with a 20% discount. If he paid $760 for the computer, how much was the discount?
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We have that

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Over the weekend koko spend a total of 16 hours working on school work she spent equal amounts of time working on 4 projects plu
MrMuchimi
Hours spent on project= p

4p+2=16 hours
4p=14
p=3 and a half hours
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