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natka813 [3]
2 years ago
8

A group of friends wants to go to the amusement park. They have $134.75 to spend

Mathematics
1 answer:
vlabodo [156]2 years ago
3 0

Answer

about 4.

Step-by-step explanation:

asked ur mom

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Find the area of a circle with radius, <br> r<br> = 6.43m.<br> Give your answer rounded to 2 DP.
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Answer:

129.89 m²

Step-by-step explanation:

Area of a circle of radius r is A = πr².

If r = 6.43 m, then A = π(6.43 m)²  =  129.89 m²

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A bacteria culture starts with 1000 bacteria and the number doubles every 40 minutes. (a) find a formula for the number of bacte
vfiekz [6]

The formula for the number of bacteria at time t is 1000 x (2^t).

The number of bacteria after one hour is 2828

The number of minutes for there to be 50,000 bacteria is 324 minutes.

<h3>What is the number of bacteria after 1 hour?
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The exponential function that can be used to determine the number of bacteria with the passage of time is:

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Population after 1 hour : 1000 x 2^(60/40) = 2828

Time when there would be 50,000 bacteria : In(FV / PV) / r

Where:

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  • PV = present bacteria population = 1000
  • r = rate of increase = 100%

In (50,000 / 1000)

In 50 / 1  = 3.91 hours x 60 = 324 minutes

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1 year ago
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adelina 88 [10]
3. you cannot simplify √30
4 0
2 years ago
If a right circular cone intersects a plane that runs parallel to the edge of the cone, the resulting curve will be a(n)?
faust18 [17]
Question: <span>If a right circular cone intersects a plane that runs parallel to the edge of the cone, the resulting curve will be a(n)? 

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