Answer:
The volume of hemi-sphere is calculated by:
V = (4/6) x pi x radius^3 = (4/6) x pi x 7^3 = 718.38
Hope this helps!
:)
I think it’s b yes it’s right
12%=(3+10%*x)/(20+x)
x=30
add 30 pounds of the second alloy
Answer:
This really isn't a question. I can help you out with writing one.
John randomly selected 45% of seventh grade students in his school and asked them what their favorite time to play sports was. Of the students surveyed, 51 prefer to play sports after school. Based on this data, what is the most reasonable prediction of seventh graders in his entire grade?
Step-by-step explanation:
To answer my question, you would set up a proportion.
<-- the answer to that question will will be 113.
Answer:
x = 
Step-by-step explanation:
Given
+
= 1
Multiply through by ab to clear the fractions
bx + ax = ab ← factor out x from each term on the left side
x(b + a) = ab ← divide both sides by (b + a)
x = 