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Flauer [41]
2 years ago
12

I need help plzzz plzzz help me I need the answers

Mathematics
1 answer:
Dimas [21]2 years ago
3 0
13. Graph O
14.Graph M
15. Graph N
Hope this helps
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Barbara buys a box of pens for $4. For every additional box she buys, she gets a $1 discount. Which expression represents the to
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Answer:

the answer is E !!!!!!!!!!!!!!!!!!!   ; )


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3 X 10 = 30/2 = 15

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Bags of pretzels are sampled to ensure proper weight. The overall average for the samples is 9 ounces. Each sample contains 25 b
77julia77 [94]

Answer:

The value is UCL  =  10.8  

Step-by-step explanation:

From the question we are told that

    The sample mean is  \= x  =  9 \  ounce

    The sample size is  n =  25

    The standard deviation is  \sigma =  3 \ ounce

Given that the sample size is not large enough i.e  n<  30  we will make use of the student t distribution table  

From the question we are told the confidence level is  99.7% , hence the level of significance is    

      \alpha = (100 -99.7 ) \%

=>   \alpha = 0.003

Generally the degree of freedom is  df =  n- 1

=>  df =  25 - 1

=>  df =  24  

Generally from the student t distribution table the critical value  of  \frac{\alpha }{2} at a degree of freedom of df =  24   is  

   t_{\frac{\alpha }{2} , 24 } = 3.0

Generally the margin of error is mathematically represented as  

      E = t_{\frac{\alpha }{2} , 24} *  \frac{\sigma }{\sqrt{n} }

=>     E = 3.0 *  \frac{3 }{\sqrt{25} }

=>     E =1.8

Gnerally the  upper control chart limit  for 99.7% confidence is mathematically represented as

         UCL  =  \= x  + E

=>      UCL  =  9 + 1.8  

=>      UCL  =  10.8  

     

4 0
2 years ago
the coordinates A(5,-2) B(3,-1) C(-4,-4) D(-3,8), and E(-1,4) form the verices of a polygon when they are connected in order for
abruzzese [7]
E, B, D, C, A in correct order

Your welcome!!!

~Shantiicakes
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8n/9 = 6.4/0.45<br> Give me the answer TODAY and you will get 20 points!
SSSSS [86.1K]

Answer:

n = 16

Step-by-step explanation:

8n/9 = 6.4/0.45

Cross multiply.

0.45 * 8n = 9 * 6.4

3.6n = 57.6

n = 16

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