The conversion is
x = magnitude × cos(angle)
y = magnitude × sin(angle)
or
(x, y) = 120.2(cos(119°), sin(119°)) ≈ (-58.27, 105.13)
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A suitable graphing calculator handles this easily.
150 more male bats need to be tagged
if you want 2/5 to be female you divide the 260 (<160+100) by 2 to get 130
then you multiply 130 by 3 to get the total amount of male bats that need to be tagged
130*3=390
then you subtract 240 from the 390 to find out how many more bats need to be tagged
390-240=150
X>3 is the proper setup for this sentence.
In the first column the decimal is .26 and the percent is 26%. In the second column the fraction is 31/50 and the percent is 62%. In the last column the fraction is 9/20 and the decimal is .45. Hope this helps! ;)
