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Assoli18 [71]
3 years ago
14

An athlete training for the olympics swims each lap of a four-lap race in the following times: 54.73 , 54.56 , 54.32 , and 54.54

seconds. What is the total time it takes her to swim the four laps??
Mathematics
1 answer:
solniwko [45]3 years ago
3 0

Answer:

218.25 seconds

Step-by-step explanation:

54.73

54.56

54.32

54.54

+_____

218.15

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Tawnee is designing a playground in the shape of a rectangle. If Tawnee increases the length and width of the playground by a sc
svetlana [45]

Answer:

We conclude that If Tawnee increases the length and width of the playground by a scale factor of 2, the perimeter of the new playground will be twice the perimeter of the original playground.

Step-by-step explanation:

We know that the perimeter of a rectangle = 2(l+w)

i.e.

P = 2(l+w)

Here

  • 'l' is the length
  • 'w' is the width

Given that the length and width of the playground by a scale factor of 2

A scale factor of 2 means we need to multiply both length and width by 2.

i.e

P = 2× 2(l+w)

P' = 2 (2(l+w))

    = 2P      ∵ P = 2(l+w)

Therefore, we conclude that If Tawnee increases the length and width of the playground by a scale factor of 2, the perimeter of the new playground will be twice the perimeter of the original playground.

4 0
3 years ago
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Leslie drank 4/5 pint of juice and Hank drank 7/10 pint of juice. Who drank more
amid [387]
Leslie did. If you multiply 4/5 by two, you get 8/10. 8/10 is greater than 7/10. 
5 0
3 years ago
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The dimensions of a 4−cm by the 4−cm rectangle are multiplied by 1/2 (as a fraction). How is the area of the rectangle affected?
nika2105 [10]

Answer:

1/2 is just saying 0.5

Step-by-step explanation:

half of one is 0.5 or 1/2

6 0
3 years ago
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What is the mean absolute deviation of 10 16 18 15 15 10 23
grigory [225]
The answer is 3.1428 (very close to π actually lol)



4 0
3 years ago
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What is the area of the triangle?
Strike441 [17]

Answer:

24

Step-by-step explanation:

base (b) = 8

height (h) = 6

A = bh/2

= 8x6/2

= 48/2

= 24

Therefore the area is 24 square units

3 0
3 years ago
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