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OLEGan [10]
3 years ago
12

There are 234 students in 9 different classrooms. What is the ratio of students to classrooms?

Mathematics
2 answers:
Lina20 [59]3 years ago
6 0

Answer:

26 students in each classroom

Step-by-step explanation:

234/9=26

Paraphin [41]3 years ago
5 0

Answer:

234 to 9

Step-by-step explanation:

If the ratio is students to classrooms that means students comes first in the ratio. In this case it would be 234 and 9 for the classrooms.

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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
What is 75% of 180?​
OverLord2011 [107]

Hello There!

75% of 180 is 135.

Converting Percent To Decimal.

p = 75%/100 = 0.75

Y = 0.75 * 180

Y = 135

3 0
3 years ago
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Hi pls help thank you
miss Akunina [59]

Answer:

it would be c when fully simplified.

6 0
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10. A bin of books at a bookstore had a 60% markdown off the original price and also offered a 35% coupon to the first 200 custo
valkas [14]

Answer:

300%

Step-by-step explanation:

bc i know

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Which is greater 400 mililiters or 4 liters?
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1 milliliter = 0.001 liters

400 milliliters = 0.4 liters

Therefore, 4 liters is greater than 400 milliliters 
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3 years ago
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