Short answer: r = 8
Remark
The easiest way to do this is to solve the sphere's volume in terms of pi. When you do this, you can equate that to the formula for a cylinder and cancel the pi values.
Step One
Find the volume of the sphere.
<em>Givens</em>
r = 6 cm
<em>Formula</em>
V = (4/3) pi r^3
<em>Sub and Solve</em>
V = 4/3 pi * 6^3
V = 288 * pi
Step two
Find the radius of the cylinder
<em>Givens</em>
V = 288* pi cm^3
h = 4.5 cm
<em>Formula</em>
V = pi r^h
<em>Sub and solve</em>
288 pi cm^3 = pi r^2 * 4.5 Divide both sides by pi
288 cm^3 = 4.5 r^2 Divide both sides by 4.5
388 / 4.5 = r^2
64 = r^2 Take the square root of both sides.
r = square root( 64)
r = 8 <<<<< Answer
Given :
Cost of our meal = $3.45 .
Cost of friend's meal = $3.90 .
We pay $10 bill for both the thing.
To Find :
How much change do you receive.
Solution :
Total cost of meal = $3.45 + $3.90 = $7.35 .
Now, amount of change received is :
Change = Total amount - Price of meal
Change = $10 - $7.35
Change = $2.65
Hence, this is the required solution.
Answer:
96÷8=12 so it wold be $12 per CD AND 63÷6=10.5 there for making the CD $10.5 making Best Buy your answe
Answer:
(4,-2)
Step-by-step explanation:
If we are reflecting a point across the y-axis, that point must be on the same horizontal line that the pre-mage is was, this means the y coordinate must remain the same. Now we want the points on both sides of the y-axis to have the same distance. x and -x have the same distance from 0. This means you will need to take the opposite of x.
So a point (x,y) being reflected over the y-axis will give (-x,y).
( x , y)->(-x,y) means we have:
(-4,-2 )->(4,-2)
You can graph this to confirm it looks like a reflection through the y-axis.
6 3/4 +x= 5 1/2
subtract 6 3/4 from each side
x = 5 1/2 - 6 3/4
get a common denominator
x = 5 2/4 - 6 3/4
take larger - smaller and take the sign of the larger
x = -(6 3/4 - 5 2/4)
x = - 1 1/4
Choice C