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NeX [460]
3 years ago
15

Combine like terms. 3y + 4x² – 3x² – 2y + x2 + 2y – 3x3

Mathematics
2 answers:
kramer3 years ago
8 0

Answer: 3y+x^2-7x

Step-by-step explanation:

Ipatiy [6.2K]3 years ago
8 0
The answer is 3y + 4x² – 3x² – 2y + x2 + 2y – 3x3=-3x^3+2x^2+3y
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A rectangular solid with a square base has a volume of 4096 cubic inches - determine the dimensions that yield the minimum surfa
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Answer:

side of base, a = 10.1 inches, height, h = 40.1 inches

Step-by-step explanation:

Volume of rectangular solid, V = 4096 cubic inches

Let the side of base is a and the height is h.

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surface area of the solid  

S = 2a^2 + 4 ah \\\\S = 2a^2 + 4 \times a \times \frac{4096}{a^2}    from (1)\\\S = 2a^2 + \frac{4096}{a}\\\\\frac{dS}{da}= 4 a - \frac{4096}{a^2}\\\\4 a - \frac{4096}{a^2} = 0 \\\\a^3 = 1024\\\\a =10.1 inches

So, h = 40.2 inches

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3 years ago
12a^2*b^4-36a^2*b+44abc
spayn [35]

Let's simplify step-by-step.

12a^2*b^4-36a^2*b+44abc=

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Answer:

12a^2*b^4-36a^2*b+44abc=

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