An observer is 300 feet from a hot air balloon before it lifts off. Determine the angle of elevation, ?, when the balloon reaches a height of feet. State your answer in degrees and round to one decimal place.
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Mathematics
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Solve the system of equations by elimination.3x + 6y = 393x + 2y = 47
A. (-17, 6) B. (-2, 17) C. ( -17, 3) D. (17, -2)
Mathematics
Write the statements Sk and Sk+1.Sn: 1 ? 2 + 2 ? 3 + 3 ? 4 + . . . + n(n + 1) = 
What will be an ideal response?
Mathematics
Factor out the GCF from the polynomial.20x4y + 36xy3
A. 4y(5x4 + 9xy2) B. 4xy(5x3 + 9y2) C. 4x(5x3y + 9y3) D. xy(20x3 + 36y2)
Mathematics
Solve the problem.How many different license plates can be made using 3 letters followed by 3 digits selected from the digits 0 through 9, if letters and digits may be repeated?
A. 9 B. 260 C. 17,576,000 D. 36
Mathematics