Answer:
D 13
Step-by-step explanation:
To find out how many floors the building has, we take the height of the building and divide by the size of each floor
floors = 185.9 ft / 14.3ft per floor
= 13 floors
The value of the factorial is 5!4!/7!2! = 2/7
<h3>What is factorial?</h3>
The product of all positive integers less than or equal to a given positive integer and denoted by that integer and an exclamation point.
Given:
5!4!/7!2!
= 5!* 4*3*2!/7*6*5!*2!
=4*3/7*6
=12/42
=4/14
=2/7
Hence, 5!4!/7!2! = 2/7.
Learn more about factorial here:
brainly.com/question/1357774
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Answer:
42x^2
Step-by-step explanation:
![5(3x^{2} )+9(3x^2)\\\\=(5+9)(3x^2)\\\\=14(3x^2)\\\\=42x^2](https://tex.z-dn.net/?f=5%283x%5E%7B2%7D%20%29%2B9%283x%5E2%29%5C%5C%5C%5C%3D%285%2B9%29%283x%5E2%29%5C%5C%5C%5C%3D14%283x%5E2%29%5C%5C%5C%5C%3D42x%5E2)
Answer:
The correlation coefficient r measures the direction and strength of a linear relationship. Calculating r is pretty complex, so we usually rely on technology for the computations. We focus on understanding what r says about a scatterplot.❤
Answer: The 2nd one on your right
Step-by-step explanation: