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2 years ago

Use the factor theorem to determine if (x-2) and (x+4) are factors of f(x)=x^3-6x^2+11x-6

Mathematics

1 answer:

Sergio [31]2 years ago

7 0

Hope this can help.
I think x-2 is factor of f(x) but x+4 is not.

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The enrollment in summer stuff camp went from 10 people to 28 in 5 days. What was the percent of the increase in enrollment

Hatshy [7]

Answer:

140%

Step-by-step explanation:

28-10 = 14 person enrolled

14/10 = 140%

5 0

2 years ago

You buy a package of 12 pencils for $2.64 write this rate as a unit rate?

iogann1982 [59]

Unit rate means how much does it cost for 1 unit

2.64 for 12 pencils
find 1 pencil
divide both sides by 12
0.22 for 1 pencil

0.22 per pencil

3 0

2 years ago

The circle given by : x^2 + y^2 - 6y - 12 = 0 can be written as:

deff fn [24]

Step-by-step explanation:

Given equation of circle is,

${x}^{2} + {y}^{2} - 6y - 12 = 0 \\ by \: compairing \: it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\2 g = 0 \: or \: g = 0 \\ 2f= - 6 \\ or \: f= - 3 \\ c = - 12$

again the another form of circle is,

${x}^{2} + {(y - k)}^{2} = 21 \\ or \: {x}^{2} + {y}^{2} - 2ky + {k}^{2} - 21 = 0 \\ by \: compairing \:it \: with \: \\ {x}^{2} + {y}^{2} + 2gx + 2fy = 0 \: we \: get \\ g = 0 \\f = - k \\ c = {k}^{2} - 21$

now equating the values of f in both equations,

-k=-3

i.e. k=3

therefore k=3

4 0

3 years ago

The diameter of a circle is 20 centimeters. What is the circumference?

kati45 [8]

C ≈ 62.83cm is the answer!

Hope this helps!

3 0

2 years ago

Read 2 more answers

Plss answerrrr thankyou!!

alexgriva [62]

Answer:

Step-by-step explanation:

1 5/8 = 13/8

5/8 + 8/8

10/8 + 3/8

i could go on forever but.

do ya want to impress ya teacher?

500/800 + 800/800

and

2/4 + 4/4

7 0

2 years ago