First you need to find the radius. To do that you need to divide the diameter by two;
45 / 2 = 22.5
Then you plug the radius in the formula for a sphere. Which is...
V = (4 / 3)πr^3
First you need to find the volume with out pi
V = (4/3) π (45)^3
V= π (4/3) (91,125)
Your answer with out pi is...
V= (68,343.75) π cm^3
And with pi is...
V = 214,708.22 cm^3
Answer:
C) 42.14 cm²
Step-by-step explanation:
<u>Recall the area formulas for a square and circle:</u>
Area of square: A=s²
Area of circle: A=πr²
<u>Given:</u>
π=3.14
s=14
r=s/2=14/2=7
Therefore, the area of the square is A=14²=196 cm²
The area of the two semicircles is A=3.14(7)²=3.14(49)=153.86 cm²
Find the difference between the two areas to get the shaded area:
196 - 153.86 = 42.14
Therefore, the shaded area is 42.14 cm², making C the correct choice.
Answer:
C
Step-by-step explanation:
it says that you have 5 then the .25 says per Mile the word "per" equals to multiply so you put c=5+.25m
Answer:
-9
Step-by-step explanation:
There.
hope this helps
We can calculate the number of hours she needs to babysit by the rule of three.
1 hour--------------------$11
x---------------------------$331
x=(1 hour x x$331) / $11=30.0909.... hours≈31 hours
She needs to work 31 hours.
