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Lina20 [59]
3 years ago
6

If f(x) = 4x2 – 6 and g(x) = x2 – 4x – 8, find (f – g)(x)

Mathematics
1 answer:
kakasveta [241]3 years ago
7 0
I have no clue I’m sorry. I wish I could hell
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Please help me anybody.
lutik1710 [3]

Answer:

pt 1 is 3/5

Step-by-step explanation:

cuz i know

6 0
2 years ago
Read 2 more answers
Y = 4x + 7 at x = -2 ?
Artist 52 [7]

Answer:

-1=y

Step-by-step explanation:

6 0
3 years ago
3 + (5 + 7) = (3 + 5) + 7
Ivahew [28]

Answer:

true

Step-by-step explanation:

3 + (5 + 7) = (3 + 5) + 7

3 + (12) = (8) + 7

15 = 15

4 0
3 years ago
Suppose a production line operates with a mean filling weight of 16 ounces per container. Since over- or under-filling can be da
miss Akunina [59]

Answer:

From the question we are told that

   The  population mean is  \mu  =  16

    The sample size is  n  =  30  

     The  sample mean is  \= x =  16.32

     The  population standard deviation is  \sigma  =  0.8

      The  level of significance is  \alpha  = 0.10

Step 1: State hypotheses:

The  null hypothesis is  H_o :  \mu = 16

The alternative hypothesis is  H_a :  \mu \ne  16

Step 2: State the test statistic. Since we know the population standard deviation and the sample is large our test statistics is

          t = \frac{ \= x  -\mu }{ \frac{\sigma}{ \sqrt{n} } }

=>       t = \frac{ 16.32  -16  }{ \frac{0.8 }{ \sqrt{30} } }

=>       t =2.191

Generally the degree of freedom is mathematically represented as

          df  =  n - 1

=>      df  =  30  - 1

=>      df  =29

Step 3: State the critical region(s):

From the student t-distribution table the critical value corresponding to  \alpha  = 0.10  is

         t = 1.311

Generally the critical regions is mathematically represented as  

         - 1.311 < T <  1.311

Step 4: Conduct the experiment/study:

Generally the from the value obtained we see that the t value is outside the critical region so  the decision is [Reject the null hypothesis ]  

Step 5: Reach conclusions and state in English:

  There is  sufficient evidence to show that the filling weight has to be adjusted

Step 6: Calculate the p-value associated with this test. How does this the p-value support your conclusions in Step 5?

From the student t-distribution table the probability value to the right corresponding to t =2.191 at  a degree of freedom of  df  =29  is

        P( t > 2.191) =  0.0183

Generally the p-value is mathematically represented as

       p-value  = 2 * P( t >  2.191 )

=>    p-value  = 2 * 0.0183

=>    p-value  =  0.0366

Generally  looking at the value obtained we see that p- value <  \alpha hence

The decision rule is

Reject the null hypothesis

Step-by-step explanation:

4 0
3 years ago
Kiara made a square blanket. she decided to add 1 foot of material to one side, then cut four inches off tfrom the adjacent side
Arlecino [84]

Answer:

960 decided by 144=your answer.

Step-by-step explanation:

960 which is the area u devide by the one foot wwhich is 144 square units to get your answer,6.66666666667

4 0
3 years ago
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