Use a calculator to find the function value to four decimal places.sin 30°30'
A. -0.9880
B. 0.5075
C. 0.5890
D. 0.8616
Answer: B
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Solve problems using a calculator.To determine the thickness of a sheet of metal, six batches of 8 sheets each are measured with a digital micrometer. The thickness of each of the six batches of 8 is 0.3932, 0.3929, 0.3922, 0.3925, 0.3930, and 0.3924 mm. Find the average thickness of a single sheet of metal. (Round to the nearest ten-thousandth of a millimeter, if necessary.)
A. 0.0490 mm B. 0.0491 mm C. 0.3929 mm D. 0.3927 mm
Solve the problem.Mieko, who is 1.67 m tall, wishes to find the height of a tree. She walks 22.93 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. She is now 7.87 m from the end of the shadows. How tall is the tree? Round to the nearest hundredth.
A. 4.87 m B. 6.54 m C. 2.54 m D. 0.57 m
Provide an appropriate response.Find the domain of f(x) = 
A. {x|x is any real number} B. {x|x ? 17} C. {x|x ? 7} D. {x|x ? -7}
Solve the equation.- 
x = 25
A. -216 B. -225 C. -34 D. -200