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raketka [301]
3 years ago
11

A colony of 15,000 bacteria doubles in size every 42 hours. What will the population be 84 hours from now?

Mathematics
1 answer:
Nuetrik [128]3 years ago
7 0

Answer:

30,000

Step-by-step explanation:

You simply multipy the 15,000 by two since it is doubling. *4 is double of 42 which is why you would multiply by two.

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What info is required
7nadin3 [17]

Answer:

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Step-by-step explanation:

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3 years ago
Which two transformations are applied to pentagon ABCDE to create A'B'C'D'E'?
vekshin1
The answer is C. I need a total of 20 characters so heres a smiley face:)
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3 years ago
Find the gradients of line a and b
gayaneshka [121]

Answer:

Gradient of A: 2

Gradient of B: -1

Step-by-step explanation:

Gradient = change in y/change in x

✔️Gradient of A using two points on line A, (2, 5) and (0, 1):

Gradient = (1 - 5)/(0 - 2) = -4/-2

Simplify

Gradient of A = 2

✔️Gradient of B using two points on line B, (0, 5) and (5, 0):

Gradient = (0 - 5)/(5 - 0) = -5/5

Simplify

Gradient of B = -1

5 0
2 years ago
What percent of the respondents preferred dark chocolate or milk chocolate?
Wewaii [24]
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6 0
2 years ago
Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet. Approx
Hunter-Best [27]

Answer:

a) 50.24 ft²

b) 150.72 ft²

Step-by-step explanation:

Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet.

The distance across a circle is also called a diameter, Hence,

D = Diameter = 8 ft

The Area of a circle = πr²

r = Diameter/2 = 8ft/2 = 4ft

π = 3.14

Hence,

The Area of the circle = π × (4 ft)²

= 50.24 ft²

a) Approximately the amount of wall the circle will cover is 50.24 ft².

b) How much area will he cover if he painted a circle on three walls?

This is calculated as:

1 wall = 50.24 ft²

3 walls = x

Cross Multiply

x = 3 × 50.24 ft²

x = 150.72 ft²

7 0
3 years ago
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