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eduard
3 years ago
15

Simplify the expression to a polynomial in standard form: (3x – 10)(x2+ 2x - 1 )

Mathematics
1 answer:
KonstantinChe [14]3 years ago
3 0

Answer:

3 x ^3  −  4 x ^2  −  23 x  +  10

Step-by-step explanation:

hope this helps!

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Step-by-step explanation:

The student must have thought that every single arrowhead is a line of symmetry, so since there are 10 arrowheads, there must be 10 lines of symmetry. This is incorrect because if you look closely at the diagram, each line has 2 arrowheads, so the student is overcounting by a factor of 2. They should have just counted the number of lines, not arrowheads. Therefore, there must be 10/2 = 5 lines of symmetry, not 10. Hope this helps!

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The radius is given as:

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Read more about surface areas at:

brainly.com/question/6613758

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