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umka2103 [35]
3 years ago
5

How many possible solutions could f(x) = 6x^3 + 8x^2 - 7x -3 have?

Mathematics
2 answers:
Alex17521 [72]3 years ago
3 0
3 possible solutions.


The reason is because of the degree, which is 3
Firlakuza [10]3 years ago
3 0

Answer:

( 3x + 1 ) × ( 2x^2 + 2x - 3 )

Step-by-step explanation:

= 6x^3 + 2x^2 + 6x +2x - 9x - 3

= 2x^2 × ( 3x +1 ) + 2x × ( 3x + 1 ) - 3 ( 3x + 1 )

= ( 3x + 1 ) × ( 2x^2 + 2x - 3 )

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Craig’s school has 4 lessons in the morning lessons 1 starts at 8:35 each lesson is 60 minutes long there is a break between les
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Answer:

12:50 PM.

Step-by-step explanation:

We have been given that Craig’s school has 4 lessons in the morning and lesson 1 starts at 8:35. Each lesson is 60 minutes long. There is a break of 15 minutes between lesson 2 and 3.

We can see that lesson 1 will end at 9:35 AM and second lesson will end at 10:35 AM.

We have been also given that there is a break for 15 minutes between lesson 2 and 3. So third lesson will start at 10:50 AM as lunch break will end at 10:50 AM.

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Which circle shows AB that measures 60 degrees?
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Can you put a picture?

Step-by-step explanation:


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Consider a drug testing company that provides a test for marijuana usage. Among 310 tested​ subjects, results from 28 subjects w
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Answer:

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The p value for this case can be calculated with this probability:

p_v =P(z  

Since the p value is higher than significance level we don't have enough evidence to conclude that the true proportion is significantly less than 0.1

Step-by-step explanation:

Information given

n=310 represent th sample selected

X=28 represent the subjects wrong

\hat p=\frac{28}{310}=0.0903 estimated proportion of subjects wrong

p_o=0.1 is the value to verify

\alpha=0.05 represent the significance level

t would represent the statistic

p_v represent the p value

System of hypothesis

We want to test the claim that less than 10 percent of the test results are wrong ,and the hypothesis are:  

Null hypothesis:p\geq 0.1  

Alternative hypothesis:p < 0.1  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info we got:

z=\frac{0.0903 -0.1}{\sqrt{\frac{0.1(1-0.1)}{310}}}=-0.569  

The p value for this case can be calculated with this probability:

p_v =P(z  

Since the p value is higher than significance level we don't have enough evidence to conclude that the true proportion is significantly less than 0.1

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The diagram represents the polynomial 4x2 + 23x – 72. A 2-column table with 2 rows. The labels for both the columns and the rows
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Step-by-step explanation:

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