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Aleonysh [2.5K]
3 years ago
13

Is the fraction 2/3 equal to the fraction 4/6.

Mathematics
1 answer:
spayn [35]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

4/6 is 2/3 doubled

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The tree in chucks yard is 48 feet tall. How many inches tall is the tree
Alex Ar [27]
There are 12 inches per foot. If the tree is 48 feet tall, it is 48 x 12 = 576 inches tall.
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Which one is the answer
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A

Step-by-step explanation:

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What is the mathematical relationship between the atomic radius (r) and the lattice parameter (a0) in the BCC structure? a. b. c
ryzh [129]

Answer: Lattice parameter, a = (4R)/(√3)

Step-by-step explanation:

The typical arrangement of atoms in a unit cell of BCC is shown in the first attachment.

The second attachment shows how to obtain the value of the diagonal of the base of the unit cell.

If the diagonal of the base of the unit cell = x

(a^2) + (a^2) = (x^2)

x = a(√2)

Then, diagonal across the unit cell (a cube) makes a right angled triangle with one side of the unit cell & the diagonal on the base of the unit cell.

Let the diagonal across the cube be y

Pythagoras theorem,

(a^2) + ((a(√2))^2) = (y^2)

(a^2) + 2(a^2) = (y^2) = 3(a^2)

y = a√3

But the diagonal through the cube = 4R (evident from the image in the first attachment)

y = 4R = a√3

a = (4R)/(√3)

QED!!!

8 0
3 years ago
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How many cones of radius 1 m and height 1 m have total volume equal to the volume of a sphere with a radius 1m?
DiKsa [7]
Vcone=1/3(hpir^2)
Vsphere=(4/3)pir^3

evaluate
vcone=1/3(1pi1^2)=pi/3
vsphere=4/3pi1^3=4pi/3


pi/3 times what=4pi/3
times both sides by 3
pi times what=4pi
divide both sides by pi
1 times what=4
what=4



4 cones

7 0
3 years ago
7 tens x 10 in standard form ​
rosijanka [135]

Answer:

700

Step-by-step explanation:

7 tens is 70. 70*10=700.

6 0
2 years ago
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