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Molodets [167]
3 years ago
14

Simplify a^2+ab-2b^2/a^2-2ab-3b^2

Mathematics
2 answers:
Ahat [919]3 years ago
8 0

a4b2 + 2a4 - 12a3b - 2ab3 - 4b2  

 ———————————————————————————————

               2a2              

klasskru [66]3 years ago
5 0

Simplify a^2+ab-2b^2/a^2-2ab-3b^2


Answer: -(2 b^2)/a^2 + a^2 - a b - 3 b^2

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the first box measures 18 inches by 8 inches by 15 inches. the second box is 10 inches tall and the area of the base measures 19
Mandarinka [93]

Answer:

  Box 1 has the greater volume, by 200 in³

Step-by-step explanation:

The largest of two volumes can be found by computing each volume and comparing the results.

<h3>Box 1</h3>

The volume is computed from dimensions by ...

  V = LWH

  V = (18 in)(8 in)(15 in) = 2160 in³

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<h3>Box 2</h3>

The volume is computed from area and height by ...

  V = Bh . . . . . where B is the base area, and h is the height

  V = (196 in²)(10 in) = 1960 in³

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<h3>Comparison</h3>

The units of the two volumes are the same, so we can decide which is larger by comparing the numbers. Box 1 has a volume that is more than 2000 in³, and Box 2 has a volume that is less than 2000 in³.

  Box 1 has a greater volume

The amount by which the volume is greater can be found by subtracting the smaller volume from the larger:

  2160 in³ -1960 in³ = 200 in³

  Box 1 is larger by 200 in³

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<em>Additional comment</em>

The percentage by which Box 1 is larger than Box 2 can be found by multiplying 100% by the ratio of the difference to the Box 1 volume:

  200/1960 × 100% ≈ 10.2%

Box 1 is about 10% larger than Box 2.

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3 years ago
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insens350 [35]
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\dfrac{2}{5}=\dfrac{40}{100}

so \dfrac{61}{100} is bigger
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