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Alexeev081 [22]
3 years ago
11

Find the sample size required to achieve the given margin of error .

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
7 0

Answer:

7

Step-by-step explanation:

7

Bumek [7]3 years ago
3 0

Answer: to be honest I don’t know.

Step-by-step explanation:

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Find the total cost of a spa treatment of $42 including 6% sales tax and 20% tip
Naily [24]
Cost of the spa treatment = $42
Percentage of sales tax = 6%
Percentage of tips = 20%
Normally the tips amount is calculated before adding sales tax.
Then
Amount of tips given = (20/100) * 42
                                  = (1/5) * 42
                                  = 8.40 dollars
Amount of sales tax taken = (6/100) * 42
                                           = 252/100
                                           = 2.52 dollars
Then 
The total amount spent for spa treatment = (42 + 8.40 + 2.52) dollars
                                                                   = 52.92 dollars
So we can see that $52.92 has been spent in total for spa treatment and this amount includes a sales tax of $2.52 and a tip of $8.40.
7 0
3 years ago
Which of the following expressions could be equal to f(x)???
noname [10]
If i understand the machine correctly and -3 is x and 8 is the final answer, f(x)=x+11
4 0
3 years ago
А
Hoochie [10]

Answer: 48 feet

Step-by-step explanation:

4 0
2 years ago
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If (X + 8) is a factor of f(x), which of the following must be true?
julsineya [31]

Answer: C

Step-by-step explanation:

If (X + 8) is a factor of f(x), then to find the root, equate the factor to zero. That is,

X + 8 = 0

X = 0 - 8

X = -8

If -8 is substituted into f(x), the equation will tend to zero. That is,

F( -8 ) = 0

C is therefore the correct answer.

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3 years ago
Jessica is walking home from a friend's house. After two minutes she is 0.8 miles from home. Eight minutes after leaving, she is
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