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Scorpion4ik [409]
3 years ago
12

Label and display your new polynomial identity

Mathematics
1 answer:
kotegsom [21]3 years ago
4 0

Answer:

Demonstrate that your polynomial identity works on numerical relationships

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Factorise 125x^3 -27y^3
telo118 [61]

Answer:

(5x - 3y)(25x² +15xy + 9y²)

Step-by-step explanation:

125x³ - 27y³ is a difference of cubes and factors in general as

a³ - b³ = (a - b)(a² + ab + b²)

Given

125x³ - 27y³

= (5x)³ - (3y)³

= (5x - 3y)((5x)² + (5x)(3y) + (3y)²)

= (5x - 3y)(25x² + 15xy + 9y²)

6 0
2 years ago
Determine the area of each face of a cube 306.6
olasank [31]

Answer: 51.1 units squared

Step-by-step explanation: the area of each face is 306.6 so then you would divided that by 6 since there are 6 sides in a cube so you get 51.1 and if multiplied by 6 it equals 306.6

4 0
3 years ago
The math team does practice drills that each last 1/6 hour. In February the team did practice drills for a total of 24 hours. Ho
kozerog [31]

144 classes. each class is 10 minutes. 6X24= 144

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3 years ago
In 2013 nyc had 66.37 inches of precipitation what is that amount of precipitation to the nearest inch
V125BC [204]
Since we are rounding to the nearest inch, we want to look at the tenths place. The rule for rounding is 5 and up, we round up, 4 and below, stay. Since 3 is below 5, we stay. Therefore your answer should be 66 inches of precipitation. Hope this helps!
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