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Pani-rosa [81]
3 years ago
13

HELPPPP. EXPLAIN IT IN 2 SENTENCES

Mathematics
2 answers:
schepotkina [342]3 years ago
6 0
B for 8 would be 6.2 
b for 9 would be 7
The b is adding 0.8 each time
Hope this helps!
alexdok [17]3 years ago
6 0
The pattern is that the b keeps increasing by .8 as the a increases by a. To finish the graph 8a is 6.2 and 9a is 7.
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The caffeine content (in mg) was examined for a random sample of 50 cups of black coffee dispensed by a new machine. The mean an
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Answer:

 We are 98% confident interval for the mean caffeine content for cups dispensed by the machine between 107.66 and 112.34 mg .

Step-by-step explanation:

Given -

The sample size is large then we can use central limit theorem

n = 50 ,  

Standard deviation(\sigma) = 7.1

Mean \overline{(y)} = 110

\alpha = 1 - confidence interval = 1 - .98 = .02

z_{\frac{\alpha}{2}} = 2.33

98% confidence interval for the mean caffeine content for cups dispensed by the machine = \overline{(y)}\pm z_{\frac{\alpha}{2}}\frac{\sigma}\sqrt{n}

                     = 110\pm z_{.01}\frac{7.1}\sqrt{50}

                      = 110\pm 2.33\frac{7.1}\sqrt{50}

       First we take  + sign

   110 +  2.33\frac{7.1}\sqrt{50} = 112.34

now  we take  - sign

110 -  2.33\frac{7.1}\sqrt{50} = 107.66

 We are 98% confident interval for the mean caffeine content for cups dispensed by the machine between 107.66 and 112.34 .

               

5 0
3 years ago
Jasmine is planning a surprise birthday for one of her coworkers. One pizza is $11 and a cake is $18. If Jasmine has $84, how ma
Irina-Kira [14]
84-18=66
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Jasmine can buy 6 pizzas and 1 cake with $84
8 0
2 years ago
2<br> Which is a factor of 4x + x - 14
kiruha [24]

Answer: 5x - 14

Step-by-step explanation: Combine like terms 4x + x - 14 and turn it into 5x - 14

4 0
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The following can be decomposed in ????
lys-0071 [83]

Answer:

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Step-by-step explanation:

3 0
3 years ago
The difference of five times a number and six is fourteen. Find the number
AysviL [449]

Answer:

x=4

Step-by-step explanation:

Problem set up is: 5x-6=14

5x=20

x=4

3 0
3 years ago
Read 2 more answers
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