3 years ago

Given f(x) = 3x^3 + kx + 1, and x – 1 is a factor of f(x), then what is the value of k?

Mathematics

2 answers:

Helga [31]3 years ago

8 0

My answer should be ever one answer of course

fomenos3 years ago

5 0

Step-by-step explanation:

Hope it helps man ...........

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3 years ago

In a circle with a diameter of 25.2 ft, an arc is intercepted by a central angle of 168º.

Rina8888 [55]

Answer:

$36.93\ ft$

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

$C=\pi D$

we have

$D=25.2\ ft$

substitute

$C=25.2\pi\ ft$

step 2

we know that

The circumference of a circle subtends a central angle of 360 degrees

using proportion

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$\frac{25.2\pi}{360}=\frac{x}{168}\\\\x=25.2\pi*168/360\\\\x=(25.2*3.14)*168/360\\\\x=36.93\ ft$

3 0

3 years ago

Karen is at least 4 years more than twice mary's age (m). Karen is 46 years old. Write a simplified inequality that represents m

Margarita [4]

Answer:

46 ≥ 2m + 4

m ≥ 21

Step-by-step explanation:

At least is ≥

Karen's age = 46 years old

Mary's age = m years old

Karen is at least 4 years more than twice mary's age (m).

46 ≥ 2m + 4

46 - 4 ≥ 2m

42 ≥ 2m

m ≥ 42/2

m ≥ 21

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2 years ago