3 years ago

Select the correct answer.

Mathematics

1 answer:

OLga [1]3 years ago

6 0

Answer:

The answer is c.

This is because when it rotates a 180 degrees around its center it maps a parallelogram on to itself.

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suppose the population of a town is growing exponentially. the population was 4,636 in 2008 and grew to 5,508 in 2018. what is t

Sloan [31]

Step-by-step explanation:

The standard equation used to model a exponential growth is given by $f(t)=Ae^{Bt}$

Given two data points, which are both explicitly a function of time, it is easy to solve the two equations,

$4636=Ae^{2008B} ,5508=Ae^{2018B}$

Dividing the second equation by the first,

$\frac{5508}{4636}=\frac{Ae^{2018B} }{Ae^{2008B} }$

$e^{10B}=\frac{5508}{4636}$

$10B=ln(\frac{5508}{4636} )=0.17235$

$B=0.017235$

Substituting in first equation, $A=4.32645\textrm{x}10^{-12}$

Growth model : $f(t)=(4.3265\textrm{x}10^{-12} )e^{0.017235t}$

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3 years ago

There are 11 women and 9 men in a certain club. If the club is to select a committee of 2 women and 2 men, how many different su

Sunny_sXe [5.5K]

We can tell it’s not a permutation because it’s picking two people. Order doesn’t matter.

The number of total possible groups of men is 9 C 2 = 9!/((9-2)!(2!)) = 36

The number of total possible groups of women is 11 C 2 = 11!/((11-2)!(2!)) = 55

55 * 36 = 1980 different groups in the committee

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