Answer:
63.66
Step-by-step explanation:
Mean=(65.9+80.8+60.8+46.5+64.3)/5
Mean=63.66
Answer:
D
Step-by-step explanation:
Roots into factors:
x = -4 ----> (x + 4)
x = i -----> (x - i)
x = 5 -----> (x - 5)
(x + i)(x - 4)(x + 5)
(x - i)(x² - 4x + 5x - 20)
(x - i)(x² + x - 20)
x³ + x² - 20x - (ix² + ix - 20i)
x³ + (1 - i)x² - (20 + i)x + 20i
Answer:
5 hours
Step-by-step explanation:
so you do 8 times 4
which gives you 32
72 - 32
40 divided by 8
5
9+(5+3) is going to be 17
Answer:
¢40 or $0.40
Step-by-step explanation:
270 - 250 = 20
20 ÷ 50 = 0.4
