22)
(x^2-16)(x^2+4)=0
can you finish?
solve for x (plus and minus because two solution and degreee 4 so total 4 answers )
x=+-4 x=+-2
hope this helps.
for 10 I know a way but it might confuse you
Mean = Sum of all data divided by number of data
= (6 + 14 + 10 + 6 + 4 + 8) / 6 = 8. (C)
Answer:
the answer is 565
Step-by-step explanation:
20% of her 1075 is 215
so 215+ 230= 565
Answer:
-3.3
Step-by-step explanation:
-2.3-(4.5-3 1/2)=-2.3-(4.5-3.5)=-2.3-(1)=-3.3
