Answer:
thank you so much for free points
and I don't know the answer but really sorry I don't want to ask some questions on this that's why I did this and thank you for free points
Answer:
x = 5
Step-by-step explanation:
0.8x - 0.3 - 0.7x = 0.2
0.8x - 0.7x = 0.2 + 0.3
0.1x = 0.2 + 0.3
0.1x = 0.5
Answer:
b)

Step-by-step explanation:
b) set up equations so they are equal to each other,



this is when f(x)=g(x) so our approximation was close.
c)solving it graphically is nearly impossible because the solution can be any value around the intersection. only way to be sure is to solve it symbolically.
Answer:
The radius of the sphere is 
Step-by-step explanation:
we know that
The volume of a sphere is equal to

In this problem we have

substitute and solve for r

simplify


