Which of the following statements is false? (5 points) Select one: a. The sum of two rational numbers is always rational. b. The product of a nonzero rational number and an irrational number is always irrational. c. The product of two rational numbers is always rational. d. The sum of two irrational numbers is always rational.

Answers

Answer 1

Answer: Answer is d the sum of two irrational numbers is always rational.

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Find the quotient six divided 1 over 3

Answers

Answer:

Step-by-step explanation:

Your gym membership costs $33 per month after an initial membership fee . you paid a total of $228 after 6 months.(a) write an equation that gives you the total cost related to the months of your gym membership
(b)find the total cost after 9 months?

Answers

So, what I did was multiply 33*6 and got 198 and then 228-198 to find out that the initial fee was 30 dollars. then multiply 33*9+30 to get a 9 month total cost of $327. Hope from here you are able to set up your equation now you have all the information needed :)

Find the standard deviation of the data set shown. Round your answer to the nearest tenth.4,5,9,1,2,5

The standard deviation is about_________

Answers

Mark Brainliest Please

Answer:

Answer is gicen in the image attached.

Step-by-step explanation:

Standard deviation (SD) measured the volatility or variability across a set of data. It is the measure of the spread of numbers in a data set from its mean value and can be represented using the sigma symbol (σ). The following algorithmic calculation tool makes it easy to quickly discover the mean, variance & SD of a data set.

For more help check Khan academy video

https://www.khanacademy.org/math/statistics-probability/displaying-describing-data/sample-standard-deviation/v/sample-standard-deviation-and-bias

Answer:

2.6

Step-by-step explanation:

To calculate standard deviation:

(1) Find the mean - 4.33

4 + 5 + 9 + 1 + 2 + 5 = 26 26 / 6 = 4.333... ≈ 4.33

(2) Subtract the mean from each value and square each result

$(4 - 4.33)^2 = 0.1089$ $(5 - 4.33)^2 = 0.4489$ $(9 - 4.33)^2 = 21.8089$