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Umnica [9.8K]
3 years ago
7

Cone A has a height of 3 meters and a radius of 2 meters. Cone B has the same radius, but the height is 6 meters. Calculate the

volume of each cone. Which conclusion is correct?
A) The volume of cone A is twice the volume of cone B.
Eliminate
B) The volume of cone B is twice the volume of cone A.
C) The volume of cone B is 4 times the volume of cone A.
D) The volume of cone B is three times the volume of cone A.
Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0
V=(1/3)hpir^2

Avol is (1/3)3pi2^2=4pi m^3

Bvol is (1/3)6pi2^2=2pi4=8pi m^3

B is twice vol A

answer is B
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Luden [163]

4 cans of paint

\sf --->  \ \ {\boxed {\boxed {\frac{area  \ of \ room - area \ of \ floor}{area \ the \ paint \ covers} }}}

\hookrightarrow \sf {\dfrac{2(wl+hl+hw)- (lw)}{400}}

\hookrightarrow \sf {\dfrac{2((30)(20)+(9)(20)+(9)(30))-(20*30)}{400}

\hookrightarrow \sf {\dfrac{1500}{400}

\hookrightarrow \rm {\sf {3.75}}

→ She should buy max 4 cans as she cannot buy 3.75 cans.

<em>Here </em><em>l</em><em> refers to length, </em><em>w</em><em> refers to width, </em><em>h</em><em> refers to height.</em>

<em />

3 0
2 years ago
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tres amigos reinaldo, yasir y jefferson tienen como profesiones medico, ingeniero y profesor, sin que sepamos cual de ellas corr
zimovet [89]

Answer:

Reinaldo es ingeniero

Step-by-step explanation:

Por los datos del problema sabemos que Jeferson es casado. También sabemos que el profesor se casará pronto, así que:

Jeferson no es profesor

Reinaldo debe tomar el metro para visitar al médico, así que no es vecino de ninguno. Como el médico y el profesor son vecinos, entonces Reinaldo no es médico ni profesor, asi que

Reinaldo es ingeniero

Podemos saber además que si Jeferson no es profesor (ya demostrado) ni tampoco es ingeniero, entonces

Jeferson es médico

Por descarte, Yasir es profesor

4 0
4 years ago
What is the slope and y-intercept of line q graphed below?
Tasya [4]
The third option is the right one
5 0
3 years ago
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podryga [215]
Answer:

a) Ratio of snickers to cookies = 6 : 5

b) Ratio of cookies to snickers = 5 : 6

c) Ratio of cookies to total = 5 : 11

Explanations:

Number of snicker bars = 6

Number of cookies = 5

Total = 6 + 5 = 11

a) Ratio of snickers to cookies = 6 : 5

b) Ratio of cookies to snickers = 5 : 6

c) Ratio of cookies to total = 5 : 11

7 0
2 years ago
Please help me <br><br>thank ​
Dafna11 [192]

Answer:

laccolith

Step-by-step explanation:

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