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konstantin123 [22]
3 years ago
15

I need help finding surface area

Mathematics
2 answers:
Papessa [141]3 years ago
6 0
Use the formula A= abch 
a= side 
b= side 
c= side 
h= side
Elena-2011 [213]3 years ago
3 0
Thaw answer to this math problem is 184cm3
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What is the height of the box
PSYCHO15rus [73]

Answer:

8 in

Step-by-step explanation:

since the box is the same length in all sides, it is a cube.

length, width and height are all the same.

the volume is 512 in³.

and the volume of a cube is length×width×height = side length³.

512 = length³

length = 8 = width = height

7 0
3 years ago
A model for tumor growth is given by the Gompertz equation dV dt = a (In b-, In V) V where a >0 and b >0 are constants and
Xelga [282]

Answer:

V(t) = b^{(1-e^{-at})}

Step-by-step explanation:

We are given the following information in the question:

\displaystyle\frac{dV}{dt} = a (In b - In V) V

where a > 0 and b > 0.

\displaystyle\frac{dV}{dt} = a (In b-In V) V\\\\\displaystyle\frac{dV}{dt} = -aV(ln\frac{V}{b})\\\\\frac{dV}{V(ln\frac{V}{b})} = (-a)dt\\\\\text{Put } ln\frac{V}{b} = z\\\\\text{Integrating both sides}\\\\\int \frac{dV}{V(ln\frac{V}{b})} = \int (-a)dt\\\\\text{We get}\\\\\int \frac{dz}{z} = \int (-a)dt\\\\\\\text{where C is the constant of integration}

V(0) = 1~ mm^3\\V(t) = b.e^{e^{-at+C}}\\\text{Putting t =0, V(0) = 1}\\\\V(0) = 1 = b.e^{e^{C}}\\\\V(t) = b^{(1-e^{-at})}

where v(t) is the required tumor volume as a function of time that has an initial tumor volume of V(0) = 1 cubic mm.

5 0
3 years ago
How do u add and subtract mixed numbers<br><br> 2 6/25-1 1/10
Illusion [34]
Find a common denominator in the two fractions before you can do anything
6 0
3 years ago
What is 0.28 and 2.65 as a fraction in simplest form? explain
Oksanka [162]
28/100=14/50=7/25 &the second one 2=200/100 so 200/100+65/100=265/100

265/100=53/20
5 0
3 years ago
Read 2 more answers
Kenny reads 5/8 page in 2/3 minute. <br><br> This is unit rates
Nat2105 [25]
Find unit rate of pages read per minute:

(5/8)/(2/3)

(5/8)*(3/2)

(5*3)/(8*2)

(15)/(16)

15/16

Kenny reads 15/16 pages every minute (unit rate)
5 0
3 years ago
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