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Ratling [72]
3 years ago
11

A cone has a volume of 60pie cubic feet. If the radius is 2 feet what is the height of the cone

Mathematics
1 answer:
CaHeK987 [17]3 years ago
3 0

Answer:h=60×2

=120

Step-by-step explanation:

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Answer and Step-by-step explanation:

If my calculations are correct,

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Simora [160]
Surface area is just the area of all these 4 triangles plus the rectangle.

First we can find the area of the rectangle.

\sf A=lw

Half of the length is 28 cm, so the full length must be 28 * 2 = 56 cm.

\sf A=(56)(27)

\sf A=1512cm^2

The base for the left and right triangles are 27. The heights would be the net length minus half the length of the rectangle:

\sf 82.8-28=54.8\? cm

Calculate the area:

\sf A=\dfrac{1}{2}bh

\sf A=\dfrac{1}{2}(27)(54.8)

\sf A=739.8\?cm^2

We have two of these triangles.

\sf 739.8\times 2=1479.6\? cm^2

Now do the other two pair of triangles. The bases for them are 28 + 28 = 56 cm. The heights would be the net width minus the width of the rectangle:

\sf 81.2-27=54.2\?cm

Now find the area:

\sf A=\dfrac{1}{2}bh

\sf A=\dfrac{1}{2}(56)(54.2)

\sf A=1517.6\? cm^2

We have two of these triangles.

\sf 1517.6\times 2=3035.2\?cm^2

Add all the areas together:

\sf 1512+1479.6+3035.2=\boxed{\sf 6026.80\? cm^2}
7 0
3 years ago
I WOULD LIKE HELP WITH THIS PLEASE!!!
Ainat [17]

Answer:

the answer would be 80 :)

6 0
3 years ago
The function after synthetic division f(x) = 4x3 + 3x2 − 16x − 12
Georgia [21]

Answer:

\huge\purple{\overline{\quad\quad\quad\quad\quad\quad\quad\quad\quad \ \ \ }}

»ANSWER«

(1) Write properties of function:

x intercept/zero:

x_{1} =  \frac{3}{4}

y intercept:

y =  - 12

domain:

( -  \infty  \:  \infty )

type of function: cubic fraction

standard form:

f(x) = 4 {x}^{3}  - 3 {x}^{2}  + 16x - 12

factorize form:

f(x) = (4x - 3)( {x}^{2}  + 4)

even/odd/neither: neither

bounce/cross x axis:

x =  \frac{3}{4}  \: across

increasing interval:

( -  \infty  \:  \infty )

decreasing interval: no

number of positive real zeros: 1

number of possible turning point: 2

order/degree: 3

leading term:

4x ^{3}

leading coefficent: 4

constant term: -12

end behavior:

as \: x \: → \infty f(x) → \infty \:  as \: x → -  \infty f(x) → -  \infty

#CarryOnLearning

8 0
2 years ago
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