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Leokris [45]
3 years ago
13

Monica paid sales tax of $1.50 when she bought a new bike helmet. If the sales tax rate was 5%, how much did the store charge fo

r helmet before tax?
Mathematics
1 answer:
galben [10]3 years ago
5 0
So to get your answer you would do 1.50 / by 5% change 5% into 0.05 so now you have 1.50/0.05 and get 30 so your answer is $30 


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Likurg_2 [28]

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Examples: 1/2 1×2, 2×2 It becomes 2/4 which is equivalent to 1/2

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3 years ago
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Which of the following graphs correctly represents: (pictures)
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The correct answer is:  [A]:
______________________________________________________
{The first graph that is shown among the answer choices provided}:
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The manufacturers of a dietary supplement claim that their product will help customers lose weight. To test their claim, they se
Zielflug [23.3K]

Answer:

Assuming that this data is used to conduct a hypothesis test to test the manufacturers' claim, the test statistic we an use is:

the paired sample t-test.

Step-by-step explanation:

a) Data and Analysis:

Subject   Before   After

1                 225      215

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3                 188      188

4                210       212

5               282       175

6               275      260

7               230      225

8               195      200

9               190       185

b) The paired sample t-test is used to compare the means from the same dataset but at different times (say, one month apart).  It supports the comparison of sample data before and after the data subjects have taken the dietary supplement.  When the t-value is high, it is an evidence that the null hypothesis should be rejected.  The higher value of the t-test, therefore, indicates that there is a large difference between the two sample sets.  On the other hand, a small t-value shows similarity between the two sample sets.

3 0
3 years ago
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tigry1 [53]
-6u+3c+4+5u-5c
-1u-2c+4
5 0
4 years ago
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Here is a equation. Find x.<br> (2+x)5=11
Nady [450]
I am pretty sure the answer is 3.5.

(2+x)5=11

(2+x)=11/5

(2+x)= 5.5

x= 5.5-2

x= 3.5
5 0
3 years ago
Read 2 more answers
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