trigonometry
actually could i take the arctan of -5/4? would that give me the degree?
trigonometry
Suppose (x, y) =(4, -5) and θ is an angle in standard position with (x, y) on its terminal side. What is the degree measure of angle θ? im not sure how to do this one problem plz show step by step
Trigonometry
(+ or -) i times sqrt of 5 / (+ or -) i times sqrt 7
statistics
An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly selected, their mean weight...
statistics
An automatic machine that fills bags of unpopped popcorn is operating properly if the weights are independently and normally distributed with a mean of 114 grams and a standard deviation of 4.9 grams. Find the probability that if 7 bags are randomly selected, their mean weight...
Business Finance
Need step by step explaination for soulution: A firm has net income of #2,610 and tax rate of 33%. The revenue is $20,400, cost are 78 percent of sales, and interest expene is $100. what is th edepreciation expense for the years?
physics
A motor car moving at a speed of 72 km/h can not come to a stop in less than 3 s while for a truck this time interval is 5.0s . On a highway the car is behind the truck both moving at 72 km/h . The truck gives a signal that it is going to stop at emergency. At what distance th...
Financial Management
Consider the following cash flows (CF's) (i) A single CF at t=5 of $15,000 (ii) A single CF at t=11 of of $10,000 and (111) A single cash flow CF at t=18 of $15,000 Calculate the present value of these CF's at time t=0 interest is 4 percent compounded each period.
math
Draw a big diagram You end up with a triangle with: the horizontal side = 47 ft the side representing the leaning pole ... call it a and the angle opposite the pole side = 51° The pole makes an angle of 7° with the vertical ... so the angle between to pole side and the...
AP CHEMISTRY
A,E INCREASES B,C,D DECREASES
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