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ki77a [65]
4 years ago
5

Given a polynomial f(x), if (x − 4) is a factor, what else must be true? f(0) = 4 f(0) = −4 f(4) = 0 f(−4) = 0

Mathematics
2 answers:
I am Lyosha [343]4 years ago
8 0

Answer:

f(4) = 0

Step-by-step explanation:

daser333 [38]4 years ago
5 0

<u>Question</u><u>:</u>

Given a polynomial f(x), if (x − 4) is a factor, what else must be true?

  • f(0) = 4
  • f(0) = −4
  • f(4) = 0
  • f(−4) = 0

_______________________________________

<u>Solution</u><u>:</u>

f(x) is a polynomial.

(x - 4) is a polynomial of f(x).

By converse of factor theorem: If (x - a) is a factor of f(x), then, f(a) = 0.

On comparing (x - 4) with (x - a), we get,

  • a = 4

So,

f(a) = 0

=> f(4) = 0

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Step-by-step explanation:

Each quarter is worth 25 cents so we do 8x25 which is 200 and we do 9x10 which is 90 and when we add them up we get 290 cents which is 2.90 dollars

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In the town of Maplewood a certain type of DVD player is sold at just two stores, 43% of the sales 13) are from store A and 57%
umka21 [38]

Answer:

Option A 0.312 is right

Step-by-step explanation:

Given that iN Maplewood a certain type of DVD player is sold at just two stores, 43% of the sales 13) are from store A and 57% of the sales are from store B. 2.4% of the DVD players sold at store A are defective while 4.0% of the DVD players sold at store B are defective.

Prob for any random item form store to be defective = Prob from A and defective +Prob from B and defective

=0.43(0.024)+0.57(0.04)\\=0.03312

Prob it came from A and defective = 0.0.43(0.024)=0.01032

If Kate receives one of these DVD players as a gift and finds that it is defective, what is the probability that it came from store A

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5 0
3 years ago
What is 3.31 + 1 kilometer
MArishka [77]

Answer:

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5 0
3 years ago
Sokhem is Chanda's older brother.In six more years Sockem will be twice chendas age now.In six more years the sum of their ages
const2013 [10]

Answer:

  • Sokhem: 30
  • Chanda: 18

Step-by-step explanation:

Let c represent Chanda's age now. In six years, the Sokhem's age will be 2c. At that time, the sum of their ages is ...

  (c+6) +2c = 60

  3c = 54 . . . . . . . . subtract 6, collect terms

  c = 18 . . . . . . . . . . divide by 3

Chanda is 18, Sokhem is 30.

_____

<em>Check</em>

In 6 years Chanda will be 24, Sokhem will be 36. The sum of their ages then will be 24+36 = 60. Since Chanda is 18 now, Sokhem's age then will be 2 times Chanda's age now.

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