Mathematics, 02.09.2020 18:01 610055470
9. 8x3y2 – 7x2y + 8x + 4- 6x3y2 + 2x²y + 4x²y – 3x + 5
10. 3r3+ + 5rt? – 6rt + 5+ 4rt - 3+ 6rt?
11. 8x* - 7x3 + 4x4 + 2y3 – 7xy + 3y3 + 12xy
12. 3a3b + 4a²b2 – 7a3b + 2ab - 5a²b2 + 10a3b
13. 5y5 + 4y+ + 3y 3 – 6y2 + 8 - 7y3 + 11 – 6y3
14. 10c2d2 + 6cd3 - 3cd +5c2d2 – 4cd3 + 3c2d?
15. 4x3 + 3x²y + 2xy? – 6y3 + 5x3 – 25y3 + 3xy?
16. (3x2 + 2xy + 4y2) + (6x2 – 5xy + 3y?) + (9x2 – 25y?)
17. (4a3 + 7a²b + 663) + (a3 + 2ab + 463)
18. (2x2 – 3x + 6) + (5x2 – 9x + 4) + (8x2 + 12x)
19. (3x2 - 4x + 7) + (3x – 3x?) + (x – 7)
20. (12ab2 – 7a²b) + (3ab + 4a²b + 6ab)
Answers: 3
Mathematics, 21.06.2019 14:30
Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?
Answers: 2
Mathematics, 21.06.2019 19:00
What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )
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Mathematics, 21.06.2019 22:00
State one method by which you can recognize a perfect square trinomial.
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Mathematics, 22.06.2019 01:30
Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5
Answers: 2
9. 8x3y2 – 7x2y + 8x + 4- 6x3y2 + 2x²y + 4x²y – 3x + 5
10. 3r3+ + 5rt? – 6rt + 5+ 4rt - 3+ 6rt?
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