Use a calculator to find a value of ? between 0° and 90° that satisfies the statement below. Write your answer in degrees and minutes rounded to the nearest minute.
?
cos ?= 0.3145
?
?= _____°_____'
What will be an ideal response?
71; 40
Mathematics
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Convert as indicated. When necessary, round to the nearest tenth of a degree.39° F to degrees Celsius
A. 12.6° C B. 3.9° C C. 53.7° C D. 102.2° C
Mathematics
Solve the problem.Sally and Bill work at different jobs. Sally earns $60 per hour and Bill earns $40 per hour. They each earn the same amount per week but Bill works 3 more hours. How many hours a week does Bill work?
A. 6 B. 15 C. 12 D. 9
Mathematics
Find the exact value under the given conditions.cos ? = 
, 0 < ? < 
; sin ? = - 
, - 
< ? < 0Find tan(? + ?).
A. 
B. 
C. 
D. 
Mathematics
Graph the solution set of the system of inequalities or indicate that the system has no solution.2x + 3y ?6x - y ?3y ?2 
A. 
B. 
C. 
D. 
Mathematics