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vfiekz [6]
3 years ago
5

What is reflexive property

Mathematics
1 answer:
bixtya [17]3 years ago
5 0
The reflexive property of equality simply states that a value is equal to itself.
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I camper attaches a rope from the top of her tent 4 feet above the ground to give it more support if the Rope is 8 ft long about
iVinArrow [24]

Answer:

b = 6.928

Step-by-step explanation:

Looks like a job for the Pythagorean Theorem.

a^2 + b^2 = c^2

4^2 + b^2 = 8^2

16 + b^2 = 64

b^2 = 48

b = 6.928

Hope it helps!!

6 0
3 years ago
How much property tax must be paid each month when the property tax is 1,644 a year
tatyana61 [14]
You would have to divide 1644 by 12 to find the monthly rate. 1644/12=137, so property tax per month is 137.
3 0
3 years ago
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What does 10.44 x 2.5 equal?
SSSSS [86.1K]
It is equal to 26 if you didn’t understand you can ask more questions and I’ll help
7 0
2 years ago
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Which is NOT true about a direct proportion?
madam [21]
The person at the top is correct.
8 0
3 years ago
The mean percentange of a population of people eating out at least once a week is 57℅
Sidana [21]

Answer:

<u>The correct answer is B. between 56.45% and 57.55% </u>

Complete statement and question:

The mean percentage of a population of people eating out at least once a week is 57% with a standard deviation of 3.50%. Assume that a sample size of 40 people was surveyed from the population a significant number of times. In which interval will 68% of the sample means occur?

between 55.89% and 58.11%

between 56.45% and 57.55%

between 56.54% and 57.46%

between 56.07% and 57.93%

Source: brainly.com/question/1068489

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Mean percentage of a population of people eating out at least once a week  = 57%

Standard deviation = 3.5%

Sample size = 40

Confidence level = 68%

2. In which interval will 68% of the sample means occur?

For answering this question, we should find out the standard deviation of the sample, using this formula:

Standard deviation of the sample = Standard deviation of the population/√Sample size

Standard deviation of the sample = 3.5/√40

Standard deviation of the sample = 3.5/6.32

Standard deviation of the sample = 0.55

Let's recall that a confidence level of 68% means that 68% of the sample data would have a value between the mean - 1 time the standard deviation of the sample and the mean  + 1 time the standard deviation of the sample. Thus:

57 - 1 * 0.55 = 57 - 0.55 = 56.45

57 + 1  * 0.55 = 57 + 0.55 = 57.55

<u>The correct answer is B. between 56.45% and 57.55% </u>

7 0
3 years ago
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