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Vikentia [17]
3 years ago
7

I need help with #28 - 30

Mathematics
1 answer:
Anna [14]3 years ago
4 0

Answer:

28. -2u^(3)v^(4)-8u^(4)v^(2)+8u^(2)v^(2)+u

29. 7y^(4)-8x^(4)y^(4)-6x^(4)y^(3)-4xy^(3)

30. 7y^(3)-9x^(4)y^(4)-11x^(4)y^(3)

Step-by-step explanation:

just trust me lol

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alexgriva [62]

Answer:

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Step-by-step explanation:

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6 0
4 years ago
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Two rectangular prisms have a combined volume of 432 cubic feet. Prism A has half the volume of Prism B.
dexar [7]

Answer:

a. 144 cubic foot

b. 12 ft

c. 18 ft

Step-by-step explanation:

Let the volume of prism A be V_a

and that of prism b be V_b

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also V_a= 0.5 V_b

⇒1.5 V_b= 432

= V_b= 432/1.5= 288 cubic feet

therefore V_a= 144  cubic feet

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lys-0071 [83]

Answer: the first one

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3 years ago
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