Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.4x2 = 44

A. x = ±
B. x = 22
C. x = ± 11
D. x = 12


Answer: A

Mathematics

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Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 36 in Country D. A function that converts dress sizes in Country C to those in Country D is 

A. f-1(x) =   - 12
B. f-1(x) = x - 12
C. f-1(x) =   + 12
D. f-1(x) = 

Mathematics

Write an inequality that satisfies the description.Inside the circle with radius 2 and center (0, 0)

A. x2 - y2 < 4 B. x2 + y2 < 4 C. x2 + y2 > 4 D. x2 + y2 < 2

Mathematics

 Use the Law of Sines to solve for C and B. Round your answer to two decimal places. ? A = 60°, a = 36, c = 40 ?

A. C ? 105.79°, B ? 45.79°or?C ? 74.21°, B ? 14.21° B. ?C ? 74.21°, B ? 45.79°or?C ? 105.79°, B ? 14.21° C. ?C ? 10°, B ? 110°or?C ? 25.5°, B ? 104.5° D. ?C ? 45.79°, B ? 74.21°or?C ? 14.21°, B ? 105.79° E. ?C ? 60°, B ? 60°or?C ? 45°, B ? 75°

Mathematics

Write the rate as a simplified fraction. Then write the rate in word form.335 miles in 30 hours

A.  
335 miles for every 6 hours
B.  
67 hours for every 6 miles
C.  
67 miles for every 6 hours
D.
67 miles for every 30 hours

Mathematics