2 years ago

7 + 6d + 5f use d = 3 and f = 9

Mathematics

2 answers:

Harrizon [31]2 years ago

6 0

The answer to that question

Travka [436]2 years ago

6 0

Answer:

Step-by-step explanation:

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The length of a rectangle is 1 cm less than the width. The area of the rectangle is 12 cm². determine the dimensions of the rect

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Answer:

L= 3 cm

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Step-by-step explanation:

Factors of 12:

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2 and 6

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3 and 4

So the sides must be 3 by 4 cm.

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18--10=
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2 years ago

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Find the correct sum of the polynomials (6x3 − 8x − 5) + (3x3 + 6x + 2).

Advocard [28]

Answer:

$9x^3-2x-3$

Step-by-step explanation:

The question is

$(6x^3-8x-5)+(3x^3+6x+2)\\$

collect like terms

$(6x^3-8x-5)+(3x^3+6x+2)\\\\\\6x^3+3x^3-8x+6x-5+2\\\\\\9x^3-2x-3$

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2 years ago