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horsena [70]
3 years ago
11

Original amount is 100 percent, subtracted discount is 20 percent. Use the diagram to help you solve the problem. A pair of shoe

s has an original price of $65 but is on sale for a 20 percent discount. What number can you multiply by $65 to get the discounted price of $52? 0.20 0.50 0.80 0.90
Mathematics
2 answers:
Valentin [98]3 years ago
4 0

Answer:

I think is 0.50. im no sure

makkiz [27]3 years ago
3 0

Answer:

0.80

Step-by-step explanation:

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Denise is a professional swimmer who trains, in part, by running. she would like to estimate the average number of miles she run
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Given:
n = 20, sample size
xbar = 17.5, sample mean
s = 3.8, sample standard deiation
99% confidence interval

The degrees of freedom is 
df = n-1 = 19

We do not know the population standard deviation, so we should determine t* that corresponds to df = 19.
From a one-tailed distribution, 99% CI means using a p-value of 0.005.
Obtain
t* = 2.8609.

The 99% confidence interval is
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The 99% confidence interval is
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3 years ago
7+3 to the second power+(12-8) divided by 2x 4 is
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