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Zolol [24]
3 years ago
5

Suppose there are 4,000 bacteria in a sample. The population of the bacteria doubles exponentially every hour how many hours wil

l it take for the bacteria to reach a population of 50,000
Mathematics
1 answer:
aleksley [76]3 years ago
6 0
After 4 hours there will be 64 000

3 - 32k
2-16
1-8

do you need exactly 50 000?
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What will the volume of the box be if you cut 1 inch by 1 inch squares out of each corner (Notice that you have to subtract 1 in
kaheart [24]

Answer:

324 cubic inches

Step-by-step explanation:

The dimensions are now 18 x 18 x 1, since you are cutting an inch off each side.

324 cubic inches

7 0
2 years ago
I’m having a lot of trouble, can someone guide me, step by step?
shutvik [7]

Answer:

Hi hopefully this helps you!

Step-by-step explanation:

To find the area of a circle you can use the formula A = πr^2

The radius of a circle is just the diameter divided by 2. In this case we know the diameter is 3, so the radius is 1.5

A = π(1.5)^2

   = 7.07

Because this is a semicircle, divide this area by 2

   = 3.53429 in^2

Add up the area of this semi circle with the area of the rectangle

A = (3.53429) + (3x4)

   = 15.53429 in^2

To find the circumference/ perimeter of a circle use this formula C = 2πR

C = 2π(1.5)

   = 9.42478 inches

Again because this is a semicircle, divide by 2

   = 9.42478 / 2

   = 4.71239 inches

To find the perimeter of this entire shape add up the circumference of the semicircle and the rectangle's sides and bottom

P = 4.71239 + 4 + 4 + 3

  = 15.71239 inches

So the final answer would be

A = 15.53 squared inches

P = 15.71 inches

Hope this helps! Best of luck in your studies <3

6 0
3 years ago
The opposite of negative 8
pentagon [3]

Answer:

Positive 8

Step-by-step explanation:

3 0
3 years ago
If the radius of a circle is 15 then the diameter of the same circle is
Svetlanka [38]

30, radius is equal to half the diameter, so to get diameter from the radius, multiply the radius by two.

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Explain why each statement is not a good definition: A pen is a writing instrument
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3 years ago
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