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Vesnalui [34]
2 years ago
9

The students at Southern Junior High School are divided into four homerooms. Benjamin just moved into the school district and wi

ll be randomly assigned to one homeroom.
Which methods can be used to simulate this situation?
Mathematics
1 answer:
brilliants [131]2 years ago
6 0

Answer: A 4 side dice.

Step-by-step explanation:

Benjamin has 4 possible homerooms with the same probability. This means that every homeroom has a 1/4 = 0.25 (or 25%) probability of getting chosen.

You could emulate this situation with a 4 sided dice (are like little pyramids) where each side of the dice would represent the selection of one of the homerooms.

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Please help me with this
horrorfan [7]

Answer:

\dfrac{4000\pi}{3} ft³

Step-by-step explanation:

First, let's figure out how to get the <em>volume </em>of a sphere from its <em>surface area</em>. If r is the radius of our sphere, then

The formula for a sphere's surface area is A = 4\pi r^2

The formula for a sphere's volume is V=\frac{4}{3}\pi r^3

So to get from area to volume, we have to <em>divide the area by 3 </em>and then <em>multiply it by r.</em> Mathematically:

V=\frac{A}{3}r

Before we solve for V though, we need to find the radius of our sphere. Thankfully, we're given the surface area - 400\pi ft² - so we can use the area formula to find that radius:

A=4\pi r^2=400\pi\\r^2=100\\r=10

And now that we have our radius, we can put it into our volume formula to find

V=\frac{A}{3} r=\frac{400\pi}{3}(10)=\frac{4000\pi}{3} ft³

4 0
3 years ago
1. An outdoor art is a metal cube with edge length 39 feet. What is the volume of the cube in feet? In cubic yard? ( Can someone
Law Incorporation [45]
The volume of a cube is just the side length cubed...

V=s^3  in this case:

V=39^3=59319 ft^3  

and in cubic yards it is:

59319 ft^3*(yd^3/27 ft^3)=2197 yd^3
5 0
3 years ago
Please help me figure this out​
polet [3.4K]

Answer:3⁴ and 81¹

Step-by-step explanation:

3⁹= 19683

3⁴= 81

-9²= -81

9⁹= 387,420,489

81¹= 81

8 0
3 years ago
David brought a computer that was 20% off the regular price of 1080.If an 8% sales tax was added to the cost of the computer,wha
arlik [135]

Answer:

$933.12

Step-by-step explanation:

8% = 0.8

1080 * 0.8 = 864

864 * 1.08 = 933.12

4 0
3 years ago
What is the answer to 18x-5 &lt; 3(6x-2) ?
Marina86 [1]

Answer:

No solution

Step-by-step explanation:

18x - 5 < 3(6x - 2)       Distribute the 3 to (6x - 2)

18x - 5 < 18x - 6

-18x        -18x               Subtract 18x from both sides

-5 < -6                         There is no solution because -5 is not less than -6.

If this answer is correct, please make me Brainliest!

5 0
3 years ago
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