Write each whole number in standard form.Six hundred thirty-eight thousand, nine hundred ninety-seven
A. 638,977
B. 638,997
C. 638,000
D. 638,997,000
Answer: B
Mathematics
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Solve for base in the problem. Round to the nearest hundredth, if necessary.152 rolls is 49% of rolls.
A. 0.32 B. 3,102 C. 310.2 D. 32
Mathematics
Find the indicated quantity.n, when a1 = 314, an = 67, and d = -19;
A. 12 B. 13 C. 14 D. 11
Mathematics
Write the expression in the standard form a + bi.(9 + 6i) - (-3 + i)
A. 12 - 5i B. -12 - 5i C. 12 + 5i D. 6 + 7i
Mathematics
Determine the vertex, focus, and directrix of the parabola and sketch its graph.x2 - 14x + 4y + 65 = 0
A. vertex: (7, -4)
focus: (8, -4)
directrix: x = 6
B. vertex: (7, -4)
focus: (7, -5)
directrix: y = -3
C. vertex: (7, 4)
focus: (7, 3)
directrix: y = 5
D. vertex: (7, -4)
focus: (6, -4)
directrix: x = 8
Mathematics