Answer:
The surface area of the structure is 
Step-by-step explanation:
we know that
The surface area of a sphere is equal to

In this problem we have
-----The radius is half the diameter
substitute


Answer:
843 days
Step-by-step explanation:
Answer:
240 peanuts
Step-by-step explanation:
Let x be the number of peanuts Mr. Allen had.
Zach got half the peanuts, then Zach got
peanuts and
peanuts left.
Wendy got one-fourth of what was left, then Wendy got
peanuts and
peanuts left.
The twins, Ron and Don shared the remaining peanuts, then each of them got
peanuts.
If Ron got 45 peanuts, then

Answer:
x=2.5
Step-by-step explanation
move right x to other side by subtracting 3x on both sides.
now you should have 2x=5
make the x be by itself by dividing 2 on both sides
x=2.5
Answer:
The correct answer is a) greater than
Step-by-step explanation:
In the function y = -1/2x + 8, the y-intercept is 8. We can tell this because it is the constant at the end of the equation.
The y-intercept on the graph is 4, which is where the graph crosses the y axis.
Since 8 > 4, we know that greater than is the correct answer.