Answer:2
Step-by-step explanation:
Because 15= x+4+9
Answer:
1. 5040
2. 20
Step-by-step explanation:
1. using the formula for permutation
nPr=n!/(n-r)!
10P4 = 10!/(10-4)!
=10*9*8*7*6!/6!
then we are left with
=10*9*8*7
=5040
2.using the formula for combination
nCr=n!/(n-r)!r!
6C3=6!/(6-3)!3!
=6*5*4*3!/3!3!
=6*5*4/3*2*1
=20
Answer:
23x-1
Step-by-step explanation:
<span>the limits as x approaches from the left and right of 1 is not equal.</span>
D 100% corect took my test $$$$$$$$$$$$$$
