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Dahasolnce [82]
3 years ago
5

Solve (6-5x)/10-(2x+1)/5+x/3=2x/15

Mathematics
1 answer:
Ulleksa [173]3 years ago
3 0
Multiply2 * x/15 to 2x/15

multiply both sides by 30 which is the LCM of 10, 5, 3, and 15

expand it

simplify 18 - 15x - 12x - 6 + 10x to 12 - 17x

add 17x to both sides

add 4x + 17x to = 21x

divide both sides by 21

simplify 12/21 to 4/7

now simplify

Answer: x = 4/7.
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What is the volume of a shipping cube with dimensions of 2 and 1/2 feet
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For this case we have that by definition, the volume of a cube is given by:

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According to the statement data:

l = 2 \frac {1} {2} = \frac {2 * 2 + 1} {2} = \frac {5} {2}

Substituting in the formula we have:

V = (\frac {5} {2}) ^ 3\\V = \frac {5 ^ 3} {2 ^ 3}\\V = \frac {125} {8}\\V = 15.625

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Answer:

15.625 \ ft ^ 3

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