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Juli2301 [7.4K]
3 years ago
7

Can anyone tell me what is the formula for the volume of a hemisphere​

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
4 0

Answer: 2TTr3 / 3

Step-by-step explanation: Volume is simply the amount of space inside of an object and a hemisphere is a three-dimensional object that is half of a sphere. The formula to find the volume of a hemisphere is 2TTr3 / 3, where pi is 3.14, and the radius is half of the diameter.

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Of the 800 participants in a marathon, 120 are running to raise money for a cause. How many participants out of 100 are running
QveST [7]
Im not sure about this question but- 120% of 800 equals- 15%, so 15% could be the answer
7 0
3 years ago
Hey plz help and show work
blsea [12.9K]
The dog house consists of two geometric objects, triangular prism and rectangular prism.

First, find the surface area of triangular prism
The triangular prism consists of
base of triangle (b) = 3 ft
height of triangle (h) = 2.5 ft
height of prism or length of rectangle (l) = 4 ft
side of triangle or width of rectangle (w) = 2.5 ft

Now, calculate the area
area of tp = area of two triangle + area of 2 rectangle
area of tp = (2 × 1/2 × b × h) + (2 × l × w)
area of tp = (2 × 1/2 × 3 × 2) + (2 × 4 × 2.5)
area of tp = 6 + 20
area of tp = 26 ft²

Second, find the surface area of rectangular prism
The rectangular prisms consists of
length (l) = 3 ft
width (w) = 4 ft
height (h) = 2 ft

Now, calculate the area
area of rp = area of back and front rectangle + area of left and right rectangle
area of rp = (2 × l × h) + (2 × w × h)
area of rp = (2 × 3 × 2) + (2 × 4 × 2)
area of rp = 12 + 16
area of rp = 28 ft²

Third, add both of the area
area = area of tp + area of rp
area = 26 + 28
area = 54 ft²

The area of the dog house is 54 ft
²
6 0
3 years ago
Help!!! 20 points plz!!
Luda [366]

Answer:

-29/11

Step-by-step explanation:

for a question like this, replace all x in the question with -7

hope i helped

5 0
3 years ago
Jeremy will roll a number cube, numbered 1-6, twice. What is the probability of rolling an even number than the number 3?
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3 0
3 years ago
If logM/N=5 and logP/N=7, what can you say about the relationship between M and P?. . A. M=2P. B. P=2M. C. P=100M. D. P=10M
liubo4ka [24]
<span>log (M/N) = log M - log N
 so log M - log N = 5
log (P/N) = log P - log N
so log P - log N = 7
 If you subtract equation 2 from equation 1, you have log M - log P = -2
 That means that log (M/P) = -2 ----> 10^-2 = M/P ---> P = 100M</span>
8 0
3 years ago
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