Mathematics: . (2 points each) How many ways are there to choose a dozen (12) donuts from 18 varieties if(a) there are no two donuts of the same variety

For this case we have the following quadratic function: Using the method of the resolver we have: Substituting values: Rewriting we have: Doing the calculations we have the results are: Rounding the positive solution to the hundredth hundredth: The positive solution to the quadratic equation is: ...

. (2 points each) How many ways are there to

Ответ:

brainy51

06.02.2022

Mathematics

There are 455 ways

Step-by-step explanation:

Here, we want to find the number of ways to select 12 donuts out of 18 donuts given that all the donuts are different

Mathematically, that would be;

18 C 2

= 18!/(18-12)!12! = 18!/6!12! = 455

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Ответ:

Goldenstate32

02.02.2021

Mathematics

For this case we have the following quadratic function:
0 = 2x^2 + 3x - 8

Using the method of the resolver we have:
$x = \frac{-b +/- \sqrt{b^2-4ac} }{2a}$
Substituting values:
$x = \frac{-3 +/- \sqrt{3^2-4(2)(-8)} }{2(2)}$
Rewriting we have:
$x = \frac{-3 +/- \sqrt{9+64} }{4}$
$x = \frac{-3 +/- \sqrt{73} }{4}$
Doing the calculations we have the results are:
x1 = 1,386

x2 = -2,886

Rounding the positive solution to the hundredth hundredth:
x1 = 1.39

The positive solution to the quadratic equation is:
x = 1.39

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. (2 points each) How many ways are there to choose a dozen (12) donuts from 18 varieties if(a) there are no two donuts of the same variety

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