The 1st row has 15 chairs.
The 2nd row has 15 + 3 = 18 chairs.
The 3rd row has 18 + 3 = 15 + 2•3 = 21 chairs.
The 4th row has 21 + 3 = 15 + 3•3 = 24 chairs.
The pattern continues, so that the n-th row has 15 + (n - 1)•3 = 3n + 12 chairs.
If there are 15 rows, then the total number of chairs is
where we use the formulas
Answer: C. frequency.
Explanation: Because the frequency is divided by the time during which it occurred. The term “frequency” in applied behavior analysis and behavior measurement generally refers to cycles per unit time or a count (usually of behavior) divided by the time during which it occurred.
Answer:
oh ok
Explanation:
I'll do it in my computer
All electromagnetic waves: are transverse waves; can travel through a vacuum ; travel at exactly the same speed in a vacuum, the speed of light, 300,000,000 m/s.
Worker productivity is one of the most important factors that help determine the performance of an economy. per capita GDP best describes productivity. This is further explained below.
<h3>What is GDP?</h3>
Generally, Final products and services—i.e., those purchased by consumers—are included in GDP, which estimates the value of goods and services produced in a specific period of time.
In conclusion, One of the most critical determinants of an economy's health is the productivity of its workforce. per head of population, Productivity is best described by GDP.
Read more about GDP
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