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weqwewe [10]
3 years ago
14

Ast week, a coral reef grew 20.4mm taller. How much did it grow in meters

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
7 0

Answer:

0.0204 meters

Step-by-step explanation:

In-s [12.5K]3 years ago
7 0

Answer:

0.0204

Step-by-step explanation:

1 metre=1000 metres

x = 20.4

cross mutiply

20.4/1000

0.0204

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Step-by-step explanation:

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3 years ago
Each side of a pentagon is 10 cm greater than the previous side. If the perimeter of this pentagon is 500 cm, find the lengths o
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Answer: See explanation

Step-by-step explanation:

The perimeter of a pentagon is gotten through the summation of its five sides. Let the first side be represented by x. Since each side of a pentagon is 10 cm greater than the previous side, then the sides will be:

First side = x

Second side = x + 10

Third side = x + 10 + 10 = x + 20

Forth side = x + 30

Fifty side = x + 40

Therefore,

x + (x + 10) + (x + 20) + (x + 30) + (x + 40) = 500

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x = 400/5

x = 80

Therefore, the lengths will be:

First side = x = 80cm

Second side = x + 10 = 80 + 10 = 90cm

Third side = x + 20 = 80 + 20 = 100cm

Forth side = x + 30 = 80 + 30 = 110cm

Fifty side = x + 40 = 80 + 40 = 120cm

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2 years ago
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Step-by-step explanation:

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What is 7/10 divided by 12 simplified
defon

Answer:

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Step-by-step explanation:

7/10 ÷ 12

Copy dot flip

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