Solve.Find the sum of all multiples of 7 that are between 63 and 189, inclusive.
A. 2394
B. 2205
C. 2142
D. 1197
Answer: A
Mathematics
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Place your graphing calculator in parametric and degree modes. Set the window for Tmin=0, Tmax=360, Tstep=1, Xmin= -1.8, Xmax=1.8, Xscl=1, Ymin= -1.2, Ymax=1.2, Yscl=1. Set the functions to X1T=cos T, Y1T=sin T. Graph the circle of radius 1 on the screen. Use the trace feature to move a short distance around the circle.For what angle T is sin T ? 0.174? (Assume 0° ? T ? 90°.)
A. 56.422° B. 0.174° C. 10° D. 80°
Mathematics
Evaluate the exponential expression.-120
A. 20 B. -1 C. -20 D. 1
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.2 x + 7 = 8
A. {-4.00} B. {-0.24} C. {7.33} D. {1.18}
Mathematics
Solve the equation.9x + 7x = 32
A. 2
B. 
C. 
D. 16
Mathematics