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Alina [70]
3 years ago
11

Which of the following expressions is NOT equivalent to (x − 6)(x − 3)?

Mathematics
1 answer:
kodGreya [7K]3 years ago
4 0

Answer:

B. x(x) + (−6)(−3)

NOT equivalent  to (x − 6)(x − 3)

Step-by-step explanation:

(x − 6)(x − 3)

= x^2 - 3x - 6x + 18

= x^2 - 9x + 18

A. (6 − x)(3 − x)

= 18 - 6x - 3x + x^2

= 18 - 9x + x^2

= x^2  - 9x + 18  ---->equivalent  to (x − 6)(x − 3)

B. x(x) + (−6)(−3)  = x^2 + 18   ----> NOT equivalent  to (x − 6)(x − 3)

C. x2 − 3x − 6x + 18   = x^2 - 9x + 18  --> equivalent  to (x − 6)(x − 3)

D. x(x − 6) − 3(x − 6)

= x^2 - 6x - 3x + 18

= x^2  - 9x + 18  ---->equivalent  to (x − 6)(x − 3)

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A bag contains 12 pieces of candy, all the same size. Four of the candies are lemon flavored. Which approach would be best to fi
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Step-by-step explanation:

In relative frequency of an event  is defined as the number of times that the event occurs during experimental trials, divided by the total number of trials conducted in the given event.

That is if there are total 9 boys in which 4 are from Us.

Then the probability of choosing a boy of Us= Number of boys from US/ total number of boys= 4/9

In our question, we have total  pieces of candy= 12

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Thus, we are using relative frequency approach for finding the probability.

Therefore, Option C is correct.


3 0
3 years ago
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Suppose that y varies directly with x and inversely with z, and y = 4 when x = 8 and z = 14. find z when x = 36 and y = 6. first
raketka [301]

The value of z if x = 36 and y = 6 is 42

<h3>Direct and inverse variation</h3>

Suppose that y varies directly with x and inversely with z, hence the required expression will be:

y = kx/z

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To  find z when x = 36 and y = 6, we  will have:

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1 = 7(6)/z

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Hence the value of z if x = 36 and y = 6 is 42

Learn more on variation here: brainly.com/question/6499629

#SPJ1

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Step-by-step explanation:

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