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omeli [17]
3 years ago
11

The period of function f(x) = sec(x/4) is

Mathematics
1 answer:
Galina-37 [17]3 years ago
5 0
That eqation does not mke sense
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Felicia paid $125 to join a tennis club. She pays ana additional $5 every time she uses
nydimaria [60]
C=5n+125
Domain :n=0,1,2,3...
Range:C ≥125
5 0
3 years ago
Ted has a credit card that uses the average daily balance method. For the first 9 days of one of his billing cycles, his balance
slega [8]
Your question doesn't say what are the options, but we can make some reasoning.

The average daily balance method is based, obviously, on the <span>average daily balance, which is the average balance for every day of the billing cycle. Therefore, in order to calculate the average daily balance, you need to sum the balance of every day and then divide it by the days of the billing cycle.
In your case:
ADB = (9</span>×2030 + 21×1450) / 30 = 1624 $

Now, in order to calculate the interest, you should first calculate the daily rate, since APR is usually defined yearly, and therefore:
rate = 0.23 ÷ 365 = 0.00063 

Finally, the expression to calculate the interest could be:
interest = ADB × rate × days in the billing cycle
or else:
<span>interest = ADB × APR ÷ 365 × days in the billing cycle

In your case:
interest = 1624 </span>× 0.23 ÷ 365 × 30
             = 30.70 $
4 0
3 years ago
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Ivan surveyed 49 randomly selected players from the 134 players of the soccer club teams to see if they wanted the games to be p
nordsb [41]

Twenty-two of the players said that they preferred that the games be played on Saturdays. Ivan correctly determined that the margin of error, E, of his survey using a 99% confidence interval (z*score 2.58) is approximately 18%

Ivan surveyed 49 randomly select

8 0
3 years ago
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18. A credit card company claims that the mean time the customers spend on
Aleksandr [31]

Answer: If the null hypothesis is true, the probability of observing a sample mean of at least 5.15 minutes is .031

Step-by-step explanation:

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3 years ago
What is the constant of proportionality in the equation y=5x?
zaharov [31]

Answer: The constant of proportionality is 5 because the equation would be y=kx but instead of k it has 5.

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