Substitute the x with 5
-(5)2 + 4(5) - 10 = 0
15 divided by $3.90 is $3.85. 11 divided by $3.30 is $3.33. so the answer is the rice cereal :)
I'm gonna say no. Im not 100% sure.
I hope this helps you
-cos²x= sin²x-1
4.sinx = sin²x-1+4
sin²x-4.sinx +3=0
(sinx-3)(sinx-1)=0
sinx≠3
sinx =1
SİN90=1
4) 7h
5) 9k
6) 5b + 8
7) 1/8x - 5/6
8) -7c - 2d
9) -17y - 16z
just add like terms. i hope this helps :)
