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Jlenok [28]
3 years ago
13

An account earned $143.86 in simple interest over 4 years and 3 months. There were no deposits or withdraws on the account. The

interest rate is 0.25%. What is the principle for the account?
Mathematics
1 answer:
Citrus2011 [14]3 years ago
3 0
X(0.25)=143.86
x=143.86/0.25=575.44  (575.44 is the principal amount.
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What is 3/5 2/3 and 0.65 from least to greatest
Anna35 [415]
3/5 = 9/15 = 36/60

2/3 = 10/15 = 40/60

0.65 = 65/100 = 13/20 = 39/60

Therefor, the answer is 3/5, 0.65, 2/3.





4 0
3 years ago
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Ron is tiling a countertop he needs to place 54 square titles in each of 8 rows to cover the counter
DiKsa [7]
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Shtirlitz [24]

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2 years ago
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A statistician chooses 27 randomly selected dates, and when examining the occupancy records of a particular motel for those date
Anni [7]

Answer:

Confidence interval variance [21.297 ; 64.493]

Confidence interval standard deviation;

4.615, 8.031

Step-by-step explanation:

Given :

Variance, s² = 34.34

Standard deviation, s = 5.86

Sample size, n = 27

Degree of freedom, df = 27 - 1 = 26

Using the relation for the confidence interval :

[s²(n - 1) / X²α/2, n-1] ; [s²(n - 1) / X²1-α/2, n-1]

From the chi distribition table :

X²α/2, n-1 = 41.923 ; X²1-α/2, n-1 = 13.844

Hence,

[34.34*26 / 41.923] ; [34.34*26 / 13.844]

[21.297 ; 64.493]

The 95% confidence interval for the population variance is :

21.297 < σ² < 64.493

Standard deviation is the square root of variance, hence,

The 95% confidence interval for the population standard deviation is :

4.615 < σ < 8.031

3 0
2 years ago
Julia has five cards face down on the table. They are numbered 6, 7, 8, 9, and 10.
9966 [12]
6+7+8+9+10=40 ********************

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3 years ago
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