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iren [92.7K]
3 years ago
10

Which quiz did met have a better score?

Mathematics
2 answers:
Harman [31]3 years ago
8 0
Meg did better on the first quiz because when you do 27 divided by 30 you will get 0.9 which is 90%
MaRussiya [10]3 years ago
7 0
I'm her first quiz she did better, this is going to be hard to explain but pay attention 92% as a decimal is 92/100 keep this in mind, then 27 out of 30 question we try to make 30 go into 100 but we know 30 can't go into 100 without a decimal so what we do is we change the decimal to 90 so for the 27 out of 30 it is now 81/90, now we need to change the denominator in 92/100 to 90 so we subtract 10 from the numerator and denominator to get 82/100 so compare the 2 decimals you got 81/90 and 82/90 and you find that 82/90 is bigger so she did better on the first quiz
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Use elimination to solve and match each system of equations to the correct solution.
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Answer:

2x-9y=-51

2x-3y=-9

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2x - 63 = -51

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Step-by-step explanation:

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kati45 [8]

Answer:

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Step-by-step explanation:

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2 years ago
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n 2018, homes in East Baton Rouge (EBR) Parish sold for an average of $239,000. You take a random sample of homes in Ascension p
Olenka [21]

Answer:

Conclusion

   There is no sufficient evidence to conclude that the mean of the home prices from Ascension parish is higher than the EBR mean

Step-by-step explanation:

From the question we are told that

   The population mean for EBR is  \mu_ 1  = \$239,000

    The sample mean for Ascension parish  is \= x_2  = \$246,000

   The  p-value  is  p-value  =  0.045

     The level of significance is  \alpha = 0.01

The null hypothesis is  H_o : \mu_2  = \mu_1

The  alternative hypothesis is  H_a  :  \mu_2 > \mu_1

Here \mu_2 is the population mean for Ascension parish

   From the data given values we see that  

          p-value  >  \alpha

So we fail to reject the null hypothesis

So we conclude that there is no sufficient evidence to conclude that the mean of the home prices from Ascension parish is higher than the EBR mean

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3 years ago
Suppose you have a set of measurements. What additional information would you need to describe the accuracy of the measurements?
Andru [333]

Answer:

D

Step-by-step explanation:

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