Answer:
r=2
Step-by-step explanation:
y = k x^r is the formula for a direct variation
y = k x^ -r is the formula for a indirect variation
20= 5 (1/2)^ -r
Divide each side by 5
4 = (1/2) ^ -r
Rewriting
2^2 = 2^ -1 ^ -r
2^2 = 2 ^ r
The bases are the same so
2 =r
Answer:
36
Step-by-step explanation:
Whenever something is to the power of 2, just think of the number multiplied twice :) Hoped this helped.
Answer:
Excel is a handy software that can be used to store and organize many data sets. Using its features and formulas, you can also use the tool to make sense of your data. For example, you could use a spreadsheet to track data and automatically see sums averages and totals.
Step-by-step explanation:
Go to this website it will answer your question:) The link is below
https://blog.hubspot.com/marketing/how-to-use-excel-tips
Answer:
1, 2, and 5
Step-by-step explanation: