Let r = xi + yi + zk and r = lrl. Find ?. (r).
What will be an ideal response?
Answer: 3
Mathematics
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Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. Only m B. m and o C. l and n D. l, m, n and o
Mathematics
Solve.
= x - 3
A. 6 B. 1, 6 C. 1, 13 D. 6, 13
Mathematics
Solve the compound inequality. Graph the solution set.7x < 35 and x + 7 > 8
A. (1, 5)
B. ?
C. (-?, 1) ? (5, ?)
D. [1, 5]
Mathematics
Solve by using the multiplication principle to clear fractions.
b - 4 = -3
A. 6 B. -4 C. -6 D. 4
Mathematics