Solve the problem.A man earned $2500 the first year he worked. If he received a raise of $500 at the end of each year, what was his salary during the 15th year?
A. None of these
B. $7000
C. $10,000
D. $9500
Answer: D
Mathematics
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Find XL when f = 100 MHz and L = 12 æH.
a. 8.5 Mê b. 51.9 Kê c. 15.2 Kê d. 7.5 Kê e. 3.7 Kê
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Write the number in trigonometric form. Let 0° ? ? < 360°.3i
A. 3(cos 0° + i sin 0°) B. 3(cos 270° + i sin 270°) C. 3(cos 180° + i sin 180°) D. 3(cos 90° + i sin 90°)
Mathematics
Use a graphing calculator to find the zeros of the function. Round to three decimal places.f(x) = 2.38x2 - 14.57x - 1.95
A. -0.262, 12.506 B. -0.131, 6.253 C. -6.253, 0.131 D. 0.137, 5.985
Mathematics
Solve by using the quadratic formula.5x2 - 34x - 7 = 0
A. - 
, 
B. - 
, 7
C. - 
, 5
D. -5, 7
Mathematics