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algol13
3 years ago
7

Write 0.423 as a percent

Mathematics
2 answers:
Oliga [24]3 years ago
8 0
If you would like to write 0.423 as a percent, you can calculate this using the following step:

0.423 * 100% = 42.3%

The correct result would be 42.3%.
Shkiper50 [21]3 years ago
6 0
In order to get 0.423 to a percent you have to multiply 0.423 by 100 which leaves you with 42.3%
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The volume of a tetrahedron is 1 6 of the volume of a parallelepiped whose sides are formed using the vectors coming out of one
Irina18 [472]

Answer: The volume of the tetrahedron is 2 units.

Step-by-step explanation:

Let A = (1, 1, 1)

B = (1, 5, 5)

C = (2, 2, 1)

The volume of a tetrahedron is given as

V = (1/6)|AB, AC, AD|

Where |AB, AC, AD| is the determinant of the matrix of AB, AC, AD.

We need to determine AB, AC, and AD

Suppose A = (a1, a2, a3)

B = (b1, b2, b3)

C = ( c1, c2, c3)

AB = ( b1 - a1, b2 - a2, b3 - a3)

Similarly for AB, AC, BC, etc.

AB = (1 - 1, 5 - 1, 5 - 1)

= (0, 4, 4)

AC = (1, 0, 2)

AD = (1, 1, 0)

Volume =

(1/6) |0 4 4|

|1 0 2|

|1 1 0|

= (1/6)[0(0 - 2) - 4(0 - 2) + 4(1 - 0)

= (1/6)(0 + 8 - 4)

= (1/6)(12)

V = 12/6 = 2 units

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3 years ago
Joshua used two wood beams, PC and QA, to support the roof of a model house. The beams intersect each other to form two similar
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