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mixas84 [53]
3 years ago
7

What is the answer for number 1

Mathematics
2 answers:
poizon [28]3 years ago
8 0
R = -2 :) hope this helps
Otrada [13]3 years ago
5 0

Answer:idk rate mine brain iest and i give u it to

Step-by-step explanation:

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Find the volume of a cylinder whose base is an ellipse with axes of 12 inches and 7 inches. The altitude of the cylinder is 21 i
Tpy6a [65]

if the ellipse has a major axis of 12 inches, that means its major radius is half that, or 6, and if its minor axis is 7, then its minor radius is half that, 3.5.


\bf \textit{volume of an elliptical cylinder}\\\\
V=\pi ab h~~
\begin{cases}
a=\textit{major axis radius}\\
b=\textit{minor axis radius}\\
h=height\\[-0.5em]
\hrulefill\\
a=6\\
b=3.5\\
h=21
\end{cases}
\\\\\\
V=\pi (6)(3.5)(21)\implies V\approx 1385.44236023309881816203

3 0
4 years ago
(Will give Brainly!! :) )
Vlad [161]

Answer:

196.48

Step-by-step explanation:

Area of the semi-circle:

A= (πr^2)/2

A= (3.14 x 64)/2

A= 100.48

Area of triangle:

A= 1/2bh

A= 1/2(16)(12)

A= 96

96 + 100.48= 196.48

brainliest pls

7 0
3 years ago
Read 2 more answers
HELP!!!!!!!!!!!!!!!!!!!!!!!!!
yanalaym [24]

Answer:

13. 144 seats

Step-by-step explanation:

13. Find 1 unit:

5 units = 120

1 unit = 120 divide 5 = 24

Find filled seats using units:

6 units = 24 x 6 = 144

Answer: 144

7 0
3 years ago
Estimate then find the sum 324967+6233
Nonamiya [84]
Estimate: 331,000
sum: 331,200
6 0
3 years ago
Read 2 more answers
Shane rare book collection contains 40 books. He donates 20% of his books to the national libary. he sells 1/4 of his books to a
Amiraneli [1.4K]
Hopefully this could help you

6 0
3 years ago
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