A musician plans to perform 4 selections. In how many ways can she arrange the musical selections?
2 answers:
Answer: There are 24 ways to arrange the musical selection.
Step-by-step explanation:
Since we have given that
Total number of selections that musicians plans to perform = 4
We need to find the number of arrangement that she can arrange the musical selections.
Since we know that for arrangements we use "Fundamental theorem of counting".
So, Number of ways that she can arrange the musical selections is
Hence, there are 24 ways to arrange the musical selection.
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Answer:
The equation of the line is 7 x +5 y = 15.
Step-by-step explanation:
Here the given points are ( 5, -4) & ( -10, 17) -
Equation of a line whose points are given such that
( ) & (
)-
y - =
( x -
)
i.e. <em>y - (-4)= ( x- 5)</em>
<em> y + 4 = ( x - 5)</em>
<em> y + 4 = ( x - 5 )</em>
<em> ( y + 4) = ( x - 5)</em>
<em> 5 (y + 4 ) = - 7 (x - 5 )</em>
<em> 5 y + 20 = -7 x + 35</em>
<em> 7 x + 5 y = 15</em>
Hence the equation of the required line whose passes trough the points ( 5, -4) & ( -10, 17) is 7 x + 5 y = 15.