The rectangular coordinates of a point are given. Find polar coordinates for the point.(-1, 1.7) Round the polar coordinates to two decimal places, with ? in radians.
A. (-1.97, 0.53)
B. (1.97, 0.53)
C. (1.97, -0.53)
D. (1.97, 2.1)
Answer: D
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Consider the initial value problem. Find the approximations of y(0.2) and y(0.4) using Euler's method with a time step of 
Then using the exact solution given, compute the errors in the Euler approximations at 
and 
Round answers to five decimal places, do not use intermediate rounding.y'(t) = 
, y(0) = 8; y(t) = 8et/8
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Solve the problem. Round to the nearest cent.Find the future value of $8000 invested over 19 years in an account with an APR of 1% compounded annually.
A. $9440.00 B. $9664.87 C. $9569.18 D. $9520.00
Convert the angle to decimal degrees and round to the nearest hundredth of a degree.185°52'21"
A. 185.88° B. 185.83° C. 185.93° D. 185.87°
?Seven hundred gallons of 89-octane gasoline is obtained by mixing 87-octane gasoline with 92-octane gasoline. How much of each type of gasoline is required to obtain the 700 gallons of 89-octane gasoline? Use this system of linear equations there x and y represent the number of gallons of the 87-octane gasoline and 89-octane gasoline.
?
?
?
A. 87?-octane: 89 gal; 92-octane: 280 gal ? B. 87?-octane: 280 gal; 92-octane: 420 gal? C. 92??-octane: 89 gal; 87-octane: 280 gal D. ??87-octane: 420 gal; 92-octane: 280 gal E. ??92-octane: 280 gal; 87-octane: 89 gal