The order of the members is important (because each selected member will receive a different position), thus we then need to use the definition of permutation.

There are 25 members, of which 3 are selected.

$\begin{array}{l}n=25 \\r=3\\end{array}$

Evaluate the definition of a combination:

$P(25,3)=\frac{25 !}{(25-3) !}=\frac{25 !}{22 !}=25 \cdot 24 \cdot 23=13800$

8 0

3 years ago

Louis is saving money for a car, he invests $1,200 in an account that pays an interest rate of 7.5%. How many years will it take

Artist 52 [7]

Answer: n + d = 30

0.05n + 0.10d = 2.20

^^ ur system of equations

Step-by-step explanation:

3 0

3 years ago

Which undefined geometric term is described as a two-dimensional set of points that has no beginning or end?

IgorC [24]

Plane, it contains tons of 2d points with no set beginning or end

7 0

3 years ago