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The current average interest rate for a 30-year fixed mortgage is 6.80% for purchase and 6.80% for refinance — down 16 basis points from 6.96% for purchase and 18 basis points from 6.98% for ...
The current average interest rate for a 30-year fixed mortgage is 7.03% for purchase and 6.99% for refinance, up 8 basis points from 6.96% for purchase and 9 basis points from 6.90% for refinance ...
The efficiency of internal combustion engines depends on several factors, the most important of which is the expansion ratio. For any heat engine the work which can be extracted from it is proportional to the difference between the starting pressure and the ending pressure during the expansion phase.
The following table gives the efficiency for several engines when running at 80% throttle, which is approximately what is used in cruising, giving a minimum SFC. The efficiency is the amount of power propelling the plane divided by the rate of energy consumption. Since the power equals thrust times speed, the efficiency is given by
80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.
For an approximately normal data set, the values within one standard deviation of the mean account for about 68% of the set; while within two standard deviations account for about 95%; and within three standard deviations account for about 99.7%.
The table below is a list of United States presidential elections by popular vote margin. It is sorted to display elections by their presidential term/year of election, name, margin by percentage in popular vote, popular vote, margin in popular vote by number, and the runner up in the Electoral College.
Global map of countries by poverty headcount ratio at $2.15 a day (2017 PPP) (% of population), 2021 [1] Global map of countries by poverty headcount ratio at $3.65 a day (2017 PPP) (% of population), 2021 [2] Global map of countries by poverty headcount ratio at $6.85 a day (2017 PPP) (% of population), 2021 [3]
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