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natta225 [31]
3 years ago
12

In how many ways can a teacher arrange five students in the front row of a classroom with a total of 20 students

Mathematics
1 answer:
Nataly [62]3 years ago
6 0
Select 5 students from 20 
means 20P5
<span>=1860480</span>
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Dilate Point B by a scale factor of 1/2
Sauron [17]

Answer:

B

Step-by-step explanation:

Divide each coordinate by 2

3/2=1.5

2/2=1

8 0
3 years ago
Help with this one please
den301095 [7]

  point R ((:

reason being (-5,-6) over the y axis is (5, -6)


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4 years ago
In 2012, the population of a city was 6.29 million. The exponential growth rate was
RoseWind [281]

9514 1404 393

Answer:

  a) P(t) = 6.29e^(0.0241t)

  b) P(6) ≈ 7.3 million

  c) 10 years

  d) 28.8 years

Step-by-step explanation:

a) You have written the equation.

  P(t) = 6.29·e^(0.0241·t)

__

b) 2018 is 6 years after 2012.

  P(6) = 6.29·e^(0.0241·6) ≈ 7.2686 ≈ 7.3 . . . million

__

c) We want t for ...

  8 = 6.29·e^(0.0241t)

  ln(8/6.29) = 0.0241t

  t = ln(8/6.29)/0.0241 ≈ 9.978 ≈ 10.0 . . . years

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d) Along the same lines as the calculation in part (c), doubling time is ...

  t = ln(2)/0.0241 ≈ 28.7613 ≈ 28.8 . . . years

4 0
3 years ago
What is the value of the expression below when w =9 and x=2<br><br> w – 4x
Vera_Pavlovna [14]

Answer:

1

Step-by-step explanation:

9 - 4 x 2

4 x 2 = 8

9 - 8 = 1

8 0
3 years ago
Read 2 more answers
I NEED HELP ! Ava's gym membership costs $50 each month plus a one-time $100 fee. Mark's gym membership costs $60 each month plu
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For Ava if It’s 11 months and for mark it is 15 months and the number is 1,650! (I spent time doing this, and I did. Calculation to make sure you would get this right!)
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4 years ago
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