3 years ago

F(x) = x³ - 2, find f(3)

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

8 0

Answer: 3f = 25

Step-by-step explanation:

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What is the difference of the polynomials?

Vilka [71]

Answer:

$8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6$

Step-by-step explanation:

We want to simplify;

$(8r^6s^3-9r^5s^4+3r^4s^5)-(2r^4s^5-5r^3s^6-4r^5s^4)$

We expand the bracket to obtain;

$8r^6s^3-9r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6+4r^5s^4$

We now group the like terms to obtain;

$8r^6s^3-9r^5s^4+4r^5s^4+3r^4s^5-2r^4s^5+5r^3s^6$

We now simplify to get;

$8r^6s^3-5r^5s^4+r^4s^5+5r^3s^6$

The correct answer is C

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4 years ago

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Solve. 3(a – 5) – 6 = –15

Andre45 [30]

Answer:

a=6

Step-by-step explanation:

distribute:

3a-15-6=-15

combine like terms:

3a-21=-15

add 21 to each side:

3a=6

divide by 3:

a=2

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2 years ago

8+9t-3+4 please help me

g100num [7]

Answer:

t = -1

Step-by-step explanation:

8 + 9t - 3 + 4

Combine like terms

(8 - 3 + 4) + 9t

9 + 9t

9t + 9

Get <em>t</em> by itself

9t + 9 = 0

-9 -9

9t = -9

Divide both sides by 9 to find <em>t</em>

t = -1

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3 years ago

Indicate which property is illustrated in step 1

Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

communicative because you moved the three to the other side

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3 years ago

Sameer earned $96 in 8 hours. His brother, Amen, earned $132 in 12 hours

deff fn [24]

Answer:

sameer earns more money. He earns $12 and Amen earns $11

Step-by-step explanation:

You divide the Money by the hours

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3 years ago

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