X over 49.5 and 20 over 100 then you cross multiply and you get 100x is equal to 990 you divide 100x and 990 both by 100 and get x and 9.9 then you have 50 seniors a month that you give the discount to so you multiply 9.9 by 50 and get 495 so the total discount you give on an average monthly basis is $495.00 Hope this helped
Reflexive Property=For all real number X,X=X
A number equals itself
Addition Property=For all real number X,y & Z,. if
X=Y then X+y=y+Z
Subtraction Property=For all real number X,Y And Z if X=y then X-Z=y-Z.
Answer:
iddpd
Step-by-step explanation:
kddjdjdkdodidjdjddjdidodododkdjddjdjdjdidodldlddnnxkddo
Wow matrixes gg
a)[ 1 1 4 ]
[-7 -6 -1 ]
[ 0 4 0 ]
b)[ 15 12 12 ]
[-12 -12 0 ]
[3 6 0 ]
c)[ 7 4 12 ]
[ -18 -16 -2 ]
[ 1 10 0 ]
d) I forgot how to do d lol so heres all I got.
