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Nikolay [14]
3 years ago
5

Express the surface area of a cube as a function of its volume v state its domain

Mathematics
1 answer:
Damm [24]3 years ago
7 0

In this question , we have to express the surface area of a cube in terms of volume of the cube .

The formula of volume of cube with edge length s is

V = s^3

First we have to solve for s, by taking cube root to both sides. That is

s = V^{1/3}

And the formula of surface area of cube is

S = 6s^2

Substituting the value of s, we will get

S= 6(V^{1/3})^2
\\
S= 6V^{2/3}

THerefore,

S(V) = 6V^{2/3}

Domain is related to Volume here.

And Volume cant be negative or 0. So the domain is all positive real numbers .

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Solve<br> y=-x2+2x+10<br> y=x+4
Marizza181 [45]
Y=10
explanation:
-4•2= -8
2•4=8
-8+8=0
y=10
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Monsoon

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Write an equation in standard form of the line that passes through the given points (-2,6) (-8,-5)
Lunna [17]
Find the slope
m= -5-6 / -8-(-2)
m= -11/-6
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8 0
3 years ago
Read 2 more answers
Un chip tiene un espesor de 0,12 mm y un atomo de cobre mide 0,00000000133 m.¿cuantos atomos se necesita para alinearlos en el e
aleksandr82 [10.1K]

Answer:

El espesor de un chip es de 0.12mm

Y el diámetro de un átomo de cobre, mide aprox:

0.00000000133 m

Queremos saber cuantos átomos deberemos alinear de tal forma que la "cadena" de átomos de cobre mida 0.12mm

Eso es equivalente a ver cuantas veces entra 0.00000000133 m en 0.12mm

Primero, escribamos ambos valores en las mismas unidades, sabiendo que:

1m = 1000mm

Podemos reescribir:

0.00000000133m = 0.00000000133*(1000 mm) = 0.00000133mm

Entonces tenemos que ver cuantas veces entra 0.00000133mm en 0.12mm

Esto sera igual al cociente entre 0.12mm y  0.00000133mm, esto es:

N = (0.12mm)/(0.00000133mm) = 90,225.6

Redondeamos al próximo número entero:

N = 90,226

Esa es la cantidad de átomos que se necesitan.

7 0
3 years ago
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