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Fittoniya [83]
3 years ago
7

A tetrahedron is a pyramid with a triangular base. Find the volume of the tetrahedron.

Mathematics
2 answers:
melamori03 [73]3 years ago
8 0

Answer:

Tetrahedron generally known as triangular pyramid consists of 4 triangular faces, 6 edges and 4 vertices. The base of the tetrahedron is a triangle. All the vertices have the same atom that is bonded to the central metal atom which lies in the centre of the tetrahedron. We take  as an example to see how the atoms actually bond in tetrahedron.  It is quite visible from the image that 4 O-atoms lies on all the 4 vertices and 1 Si-atom lie in the centre.

Step-by-step explanation:

givi [52]3 years ago
6 0

Answer:

Hi there! So, if ya do 3 x 4 x 11 You will get the answer of 132. have an great day!

Step-by-step explanation:

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Find the parabola with equation y = ax^2 + bx whose tangent line at (2, 4) has equation y = 8x − 12.
MrRissso [65]
\bf y=ax^2+bx\implies \cfrac{dy}{dx}=2ax+b

now, we know the tangent line at (2,4) is y = 8x - 12, now, that's already in slope-intercept form, so, the slope of that tangent at (2,4) is "8" then.

now, that means when x = 2, the slope is 8, so let's use that.

\bf \left. \cfrac{dy}{dx}  \right|_{x=2}\implies 2a(2)+b=\stackrel{\textit{from tangent equation}}{8}\implies 4a+b=8
\\\\\\
4a=8-b\implies a=\cfrac{8-b}{4}\implies \boxed{a=2-\cfrac{b}{4}}\\\\
-------------------------------\\\\
\begin{cases}
x=2\\
y=4\\\\
a=2-\cfrac{b}{4}
\end{cases}\implies \stackrel{y = ax^2+bx}{4=\left( \boxed{2-\frac{b}{4}} \right)(2)^2+b(2)}\implies 4=8-b+2b
\\\\\\
\boxed{-4=b}\qquad thus\qquad a=2-\cfrac{-4}{4}\implies \boxed{a=3}\\\\
-------------------------------\\\\
y=3x^2-4x
5 0
3 years ago
rashid is paid by the hour he earned 50 for a 4 hour workday how much does he earn for a 5 1/2 hour workday
gregori [183]

Rashid is paid by the hour. He earned $50 for 4 hour workday. How much does he earn for a 5 1/2 hour workday?  

-----------------

Use a proportion:

x/(5 1/2) = 50/4

--------

x = (11/2)(50/4)

 

--------

x = 550/8

----

x = $68.75

================

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

4 0
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ahrayia [7]
35
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