Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.9x = 4x + 6
A. x ? 10.257
B. x ? 2.321
C. x ? 3.243
D. x ? 5.168
Answer: A
Mathematics
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Write the number in expanded form.504
A. (5 ? 103) + (0 ? 102) + (4 ? 101) B. (5 ? 101) + (0 ? 102) + (4 ? 103) C. (5 ? 100) + (0 ? 101) + (4 ? 102) D. (5 ? 102) + (0 ? 101) + (4 ? 100)
Mathematics
Solve the problem.The perimeter of a rectangle is 42 cm. The length is 9 cm more than the width. Find the length and the width.
A. Length: 21 cm; width: 12 cm B. Length: 15 cm; width: 6 cm C. Length: 17 cm; width: 8 cm D. Length: 9 cm; width: 6 cm
Mathematics
Graph a parabola having the stated characteristics.Passing through points (-2, -1), (-1, 2), (0, 3), (1, 2) and (2, -1).
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression or state that it does not exist.cos
A. 
B. - 
C. 
D. - 
Mathematics