Find the length and direction (when defined) of u × v.u = -5i + 2i , v = i - j
A. 7; 7k
B. 3; -3k
C. 7; -7k
D. 3; 3k
Answer: B
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Translate to a proportion. Do not solve.3.7% of 62 is what?
A. =
B. =
C. =
D. =
Find the perimeter or area of the figure as indicated.Find the area of the square.
A. 24x2 sq cm B. 144x2 sq cm C. 121x2 sq cm D. 48x2 sq cm
Solve.The formula for converting Fahrenheit temperatures to Celsius temperatures is Use this formula to solve the problem. In a certain city, the average temperature ranges from
to
Celsius. Use a compound inequality to convert these temperatures to Fahrenheit temperatures. If necessary, round to the nearest tenth of a degree.
A. -18° ? F ? 79.2° B. 14° ? F ? 111.2° C. 26.4° ? F ? 56.4° D. -50° ? F ? 47.2°
Solve the problem.If three times the smaller of two consecutive integers is added to four times the larger, the result is 137. Find the smaller integer.
A. 18 B. 57 C. 19 D. 20