Find the indicated angle.Find the supplement of 115°.
A. 155°
B. 245°
C. 65°
D. not possible
Answer: C
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Solve.How many gallons of water can be stored in a cylindrical tank 35 feet high and 12 feet in diameter? Round to the nearest whole number.
Fill in the blank(s) with the appropriate word(s).
Solve the problem.On a Touch Tone phone, each button produces a unique sound. The sound produced is the sum of two tones and is given by 
and y = sin (2?ht), where l and h are the low and high frequencies (in hertz = Hz) associated with that button. 
The tone produced is thus given by y = sin (2?lt) + sin (2?ht). Write an expression that models the tone by pressing the "5" button as a product of sines and cosines.
A. y = 2 sin (2247?t) cos (707?t) B. y = 2 sin (707?t) cos (2247?t) C. y = 2 sin (566?t) cos (2106?t) D. y = 2 sin (2106?t) cos (566?t)
Find the amplitude, period, or phase shift of the given function as requested.Find the period of y = -3 sin
.
A. 3?
B. 
C. 8?
D. 4?
Solve the equation.6
+ 9 = 3
A. 
B. 1
C. no solution
D. 36