Find the dot product for the pair of vectors.i + 4j, 7i - j
A. 11
B. 0
C. 3
D. -3
Answer: C
Mathematics
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Solve the differential equation.D2y - 9 Dy = 0
A. y = C1e9x + C2ex B. y = C1e9x + C2 C. y = C1e-9x + C2 D. y = C1e-9x + C2ex
Mathematics
Multiply.(0.109)(0.04)
A. 0.436 B. 0.000436 C. 0.00436 D. 0.0000436
Mathematics
In ?ABC, if a = 10, b = 11 and ?C = 85°, find ?A, ?B and c. Round to the nearest tenth.
Mathematics
Solve the problem.Junior high classes of 30 students each met in the cafeteria to take achievement tests. If exactly 5 students sat at each table and 18 tables were used, how many classes took the tests?
A. 6 classes B. 5 classes C. 16 classes D. 3 classes
Mathematics