Answer:
Step-by-step explanation:
x-4=0
x=4
p(x)=cx^3-15x-68=0
p(x)=c(4)^3-15(4)-68=0
p(x)=64c-60+68=0
p(x)=64c+8=0
p(x)=64c=-8
p(x)=c=-8/64
p(x)=c=-1/8
Answer:
C). 0.39 grams
Step-by-step explanation:
First find how many half-lifes are in 3 hours:
3 hours ÷ 20 minutes = 9 half-lifes
Find the total left:
0.5^9*200 ≈ 0.39
Answer:
Step-by-step explanation:
1) (x-3),(x-8)
2) 3x^3+3x^2=27x
3
(
x
3^3+
x
^2
−
9
x
−
9
)
3
(
x
^2
(
x
+
1
)
−
9
(
x
+
1
)
)
3
(
(
x
+
1)(
x
^2
−
9
)
)
3
(
(
x
+
1
)
(
x
^2
−
3
^2
)
)
3
(
x
+
1
)
(
x
+
3
)
(
x
−
3
)
307.85
-40
-9.50
-41.75
+23.75
-4.62
=235.73$
5k/2G is the answer to the problem.
