She is wrong because 340 and 304 are different number but she was thinking that the numbers are 340 and 340 not 304.
Answer:
<h2>864 cm²</h2>
Step-by-step explanation:
The formula of a volume of a cube:

<em>s</em> - <em>edge</em>
We have

Substitute:
![s^3=1728\to s=\sqrt[3]{1728}\\\\s=12\ cm[/texbecause[tex]12^3=1728](https://tex.z-dn.net/?f=s%5E3%3D1728%5Cto%20s%3D%5Csqrt%5B3%5D%7B1728%7D%5C%5C%5C%5Cs%3D12%5C%20cm%5B%2Ftex%3C%2Fp%3E%3Cp%3Ebecause%3C%2Fp%3E%3Cp%3E%5Btex%5D12%5E3%3D1728)
The formula of a surface area of a cube:

(6 square faces of a cube)
Substitute:

Answer:
So, Emily will spend, 11.52 unit on wire
and, Andy will spend 18.72 unit on wire.
Step-by-step explanation:
Cost of wire is =
= 
= 
=
= 0.04 unit/inch
We know that,
12 inch = 1 foot and
1 yard = 3 foot [Note that unit of a quantity always denoted singular].
So, Emily will spend,
unit
= 11.52 unit on wire
and, Andy will spend,
unit
= 18.72 unit on wire.
Answer:
35
Step-by-step explanation:
8 - 1 = 7
7 x 5 = 35
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Answer: Assume the cross section is taken at the same height where the circumference was measured. Then
48/3 = 16 inches, close enough, actually. Trees aren't cylinders.
48 × 7 / 22 inches = 15.2727272
48/3.1415926 = 15.2788747
48/pi = 15.2788745368219522338128412837... ☺️
Step-by-step explanation:
circumference / diameter = pi = 3.1415926......
So diameter = circumference / pi.