Answer:
7 15 178
Step-by-step explanation:
Answer:
8.27 x 10^7
Step-by-step explanation:
Move the decimal over 7 times
Answer:
x=1
Step-by-step explanation:
19x=19, x=1
Answer:
Step-by-step explanation:
5. -3x^(2)+3xy-4xz
If you factor = -x(3x-3y+4z)
x^yz+xy^2z+xyz^2
xyz(x+y+z)
x^2y-xy^2+x^2y^2
xy(x-y+xy)
6. 14a^2-28a^2b^2+21a^4
-7a^2(4b^2-3a^2-2)
7. a^4b-6a^2b^2+3ab^3
ab(a^3-6ab+3b^2)
Answer:
A={21,24,27,30}
B={21,27}
C={24,30}
Step-by-step explanation:
a)A U B={21,24,27,30}
b)A n C ={24,30}