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Nat2105 [25]
3 years ago
7

David rolls a fair dice 240 times. How many times would David expect to roll a three?

Mathematics
1 answer:
jolli1 [7]3 years ago
4 0

Answer:

40

Step-by-step explanation:

There are 6 numbers on an dice (1-6) Divide 240 by 6 and the reasonable amount of times to roll a 3 is 40 time

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What's the sum of 86.703 + 12.197​
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NEED HELP ASAP!!!! <br> A) 12 sq. cm.<br> B) 6 sq. cm.<br> C) 12 cm<br> D) 6 cm
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Can someone please help me
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9514 1404 393

Answer:

  1. 125 in²
  2. 676 km²
  3. 20 square units

Step-by-step explanation:

The Pythagorean theorem tells you the square on the hypotenuse is equal to the sum of the squares on the other two sides. (This is the version you use for problem 2.)

This also means the square on one side is the difference between the square on the hypotenuse and the square on the other side. (Use this version for problems 1 and 3.)

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4 0
3 years ago
(1 point) Rework problem 15 in section 2 of Chapter 5 of your textbook about the growing suburb and the declining city using the
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Answer:

16 years

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Let x represent the number of years. The suburb population is growing at a rate of 5000 per year after x years, it can be represented by the equation:

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The city population is declining at a rate of 14000 per year after x years, it can be represented by the equation:

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The number of years for the city and suburb population to be equal can be gotten from:

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14000x + 5000x = 624000 - 320000

19000x = 304000

x = 304000 / 19000

x = 16

In 16 years the populations of the suburb and the city be equal

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