Simplify.(4x2 - xy - y2) + (x2 + 9xy + 11y2)
A. 5x2 + 8xy + 10y2
B. 3x2 - 10xy - 12y2
C. 5x2 + 10xy + 12y2
D. 4x2 + 9xy + 11y2
Answer: A
Mathematics
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A. 2z3
B. 
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Mathematics
Solve the right triangle. If two sides are given, give angles in degrees and minutes.
a = 17.3 cm, b = 21.6 cmRound the missing side length to one decimal place.
A. A = 38°42'; B = 51°18'; c = 27.7 cm B. A = 53°13'; B = 36°47'; c = 27.7 cm C. A = 38°42'; B = 51°18'; c = 29.4 cm D. A = 53°13'; B = 36°47'; c = 25.8 cm
Mathematics
Provide an appropriate response.In rolling a pair of dice, what is the probability of them both being ones?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find f when T = 9.8 msec.
a. 102 Hz b. 980 Hz c. 1.02 KHz d. 9.80 KHz e. 102 KHz
Mathematics