Solve the equation. If there are no real solutions, write "no real-number solutions."r2 = -9
A. 3
B. ±3
C. 
D. no real-number solutions
Answer: D
Mathematics
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Write the formula for Newton's method and use the given initial approximation to compute the approximations x1 and x2. Round to six decimal places.f(x) = x2 - 30; x0 = 6
A. xn+1 = xn + 
; x1 = 5.500000, x2 = 5.477273
B. xn+1 = xn - 
; x1 = 6.500000, x2 = 4.477273
C. xn+1 = 
; x1 = 6.000000, x2 = 5.977273
D. xn+1 = 
; x1 = 5.500000, x2 = 5.477273
Mathematics
Add the given vectors.
A. R = 4400, ? = 34° B. R = 2200, ? = 55° C. R = 4400, ? = 214° D. R = 1800, ? = 235°
Mathematics
Solve the problem. Use ? ? 3.14 when necessary.At $4.40 per in3, how much will it cost to fill an ice chest with dimensions of 
A. $118.31 B. $154.88 C. $371.71 D. $84.48
Mathematics
Find the exact value of the expression.sin 25° cos 35° + cos 25° sin 35°
A. 
B. 
C. 
D. 
Mathematics