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Paraphin [41]
2 years ago
14

What are the roots of x cubed - 7*x squared + 13x-6

Mathematics
1 answer:
Natalka [10]2 years ago
5 0

The roots of x^3 - 7x^2 + 13x - 6 are 0.697, 2 and 4.303

<h3>How to determine the roots?</h3>

The expression is given as:

x^3 - 7x^2 + 13x - 6

Express as a function

f(x) = x^3 - 7x^2 + 13x - 6

Next, we plot the graph of the function f(x) (see attachment)


From the attached graph, we have the zeros to be:

x = 0.697, 2 and 4.303

Hence, the roots of x^3 - 7x^2 + 13x - 6 are 0.697, 2 and 4.303

Read more about roots at:

brainly.com/question/20896994

#SPJ1

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Answer:

1

Step-by-step explanation:

(12-4) - (6/2) - (2 x 2)

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5 0
3 years ago
A crew will arrive in one week and begin filming a city for a movie. The mayor is desperate to clean the city streets before fil
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Step-by-step explanation:

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the second team can do 1/600 if the total work per hour.

if they work together, then 1/700 + 1/600 of the total work can be done per hour.

to add these 2 fractions we need to bring them to the same denominator. and that would be 4200 (LCM of 700 and 600).

1/700 + 1/600 = 6/4200 + 7/4200 = 13/4200

so, together, they can do 13/4200 if the total job in 1 hour.

how many hours will they need together to finish the job ?

well, how often does 13 fit into 4200 (as 4200/4200 is the complete job) ?

4200 / 13 = 323.0769231... hours

so, it will still take a little bit over 323 hours to clean all the streets.

but there are only 168 hours until the film crew starts.

so, no, there is not enough time.

4 0
2 years ago
Which expression demonstrates the distributive property applied to the expression 4(3 + 7)
GREYUIT [131]
4(3 + 7)

= 4(3) + 4(7)  //Demonstrating distributive property

= 12 + 28

=  40
7 0
3 years ago
What number times 3 is 18?
kobusy [5.1K]

Answer: 6

Step-by-step explanation:

6+6=12 12+6=18 thus 6 times 3 is 18

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