9514 1404 393
Answer:
B, D
Step-by-step explanation:
The quadratic expands to ...
(2n -1)² = (2n)² +2(2n)(-1) +(-1)² = 4n² -4n +1
The coefficients can be factored out of the sum, so ...
∑(4n²) = 4∑n² for example
The sum of 60 ones is 60:
So, the sum can be written as ...
_____
It appears that the key to choosing the correct answers is paying attention to signs.
The percentage of measurements which are below the 88th percentile could be expressed as 88%.
- The percentile of a distribution gives the percentage of the total distribution below a certain percentage value.
- The 25th Percentile refers to the percentage of values in the distribution below 25%
- Similary, 88th percentile gives the values which are below 88% of the values in the distribution.
Therefore, percentage of measurement below the 88th percentile is 88%
Learn more :brainly.com/question/8165716
Answer: Alexandra has greater weekly expenses, and they charge the same price for one kilogram of spices.
Step-by-step explanation: Got the question wrong on khan academy. I guide others to a treasure I cannot possess.
The equation of the line passing throught the points 
and 
has a form
Now the equation of the line passing through points (0, 3) and (−5, 2.5) is
Simplify it:
This equation is in slope-intercept form.
Answer: y=0.1x+3.
Answer:
Its just 1.
Step-by-step explanation:
anything to the power of 0 is 1 simple
