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Viktor [21]
3 years ago
7

Figure B is a scale image of Figure A, as shown. What is the scale factor applied to

Mathematics
1 answer:
CaHeK987 [17]3 years ago
4 0
Figure B is 2.8 times larger than figure A. Figure A was multiplied by 2.8 to make figure B
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Which of the following shows the function f (x) being translated 4 units up?
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Answer:

where is the following

Step-by-step explanation:

b i can teve n tse the following answers

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1. What term means "per hundred"?​
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Percent. Hope this helps!
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9. Sophia and Lily went to Tacos Galore for lunch. Sophia ordered 3 tacos and 2 burritos and the total of her
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There is no way to know.

Step-by-step explanation:

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3 years ago
La asistencia al partido de fútbol fue de 102.653. ¿Cuál es el valor del dígito 6?
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3 years ago
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A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has i
goldfiish [28.3K]

Answer:

  • P(t) = 100·2.3^t
  • 529 after 2 hours
  • 441 per hour, rate of growth at 2 hours
  • 5.5 hours to reach 10,000

Step-by-step explanation:

It often works well to write an exponential expression as ...

   value = (initial value)×(growth factor)^(t/(growth period))

(a) Here, the growth factor for the bacteria is given as 230/100 = 2.3 in a period of 1 hour. The initial number is 100, so we can write the pupulation function as ...

  P(t) = 100·2.3^t

__

(b) P(2) = 100·2.3^2 = 529 . . . number after 2 hours

__

(c) P'(t) = ln(2.3)P(t) ≈ 83.2909·2.3^t

  P'(2) = 83.2909·2.3^2 ≈ 441 . . . bacteria per hour

__

(d) We want to find t such that ...

  P(t) = 10000

  100·2.3^t = 10000 . . . substitute for P(t)

  2.3^t = 100 . . . . . . . . divide by 100

  t·log(2.3) = log(100)

  t = 2/log(2.3) ≈ 5.5 . . . hours until the population reaches 10,000

6 0
3 years ago
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