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Tanzania [10]
3 years ago
5

If P = 4x^4 - 3x^3 + x² - 5x + 11 and Q = -3x^4 + 6x^3 - 8x² + 4x - 3, what is P - 2Q?

Mathematics
1 answer:
vazorg [7]3 years ago
7 0

Answer:

10x^4-15x^3+17x^2-13x+17

Step-by-step explanation:

P-2Q

Replace P and Q with the given values,

4x^4-3x^3+x^2-5x+11-(2(-3x^4+6x^3-8x^2+4x-3)

4x^4-3x^3+x^2-5x+11-(-6x^4+12x^3-16x^2+8x-6)

4x^4-3x^3+x^2-5x+11+6x^4-12x^3+16x^2-8x+6

10x^4-15x^3+17x^2-13x+17

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Answer:

$1.75

Step-by-step explanation:

1 pound of carrot and 1.5 pounds of squash cost $7.00.

1c + 1.5s = 7 ----------------- [ 1 ]

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4.5c + 1.75s = 14 ----------------- [ 2 ]

<u>[ 1 ] x 4.5:</u>

4.5c + 6.75s = 31.5 ----------------- [ 1a ]

<u>[1a] - [2]:</u>

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3 years ago
What is the answer to: 2(4z-1) = 3(z+2)
Veseljchak [2.6K]
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3 0
3 years ago
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3 years ago
Write the equation that modeled the sequence 63,-21,7,-7/3,7/9
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Answer:

an = 63(-1/3)^(n-1)

Step-by-step explanation:

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6 0
3 years ago
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