A point in polar coordinates is given. Convert the point to rectangular coordinates. Round your answers to one decimal places.
?
?
A. Rectangular coordinates: (3.6,6.0)
B. Rectangular coordinates: (5.5,2.4)
C. Rectangular coordinates: (-5.5,-2.4)
D. Rectangular coordinates: (-2.4,-5.5)
E. Rectangular coordinates: (2.4,5.5)
Answer: B
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A hypothesis test is to be performed. State the null and alternative hypotheses.Last month the mean waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long.
A. Null hypothesis: mean waiting time < 8.4 minutes Alternative hypothesis: mean waiting time = 8.4 minutes B. Null hypothesis: mean waiting time = 8.4 minutes Alternative hypothesis: mean waiting time < 8.4 minutes C. Null hypothesis: mean waiting time > 8.4 minutes Alternative hypothesis: mean waiting time < 8.4 minutes D. Null hypothesis: mean waiting time = 8.4 minutes Alternative hypothesis: mean waiting time ? 8.4 minutes
Use the principle of square roots to solve the equation.x2 + 5 = 149
A. 12 B. ±11 C. 74.5 D. ±12
Find the missing angle in the triangle.Two angles are 45° and 108°.
A. 27° B. 153° C. 63° D. 207°
Provide an appropriate response.Fill in the blank with "always greater than," "sometimes greater than," "always less than," or "cannot be determined," whichever response is correct. When dividing a positive fraction by 
, the answer is 
the fraction.
A. always greater than B. always less than C. sometimes greater than D. cannot be determined