Using properties of determinants, show that aabc is isosceles , if 1 1 + cos c = 0 1 + cos b 1 + cos a icos? a + cosa cos2b + cosb cos2c + cosci

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

What is the range for 31,39,29,34,37,24,36,33,34,28