Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.3x - 6y + 5z = 9 and -8x - 4y + 8z = -5
A. 1.161 rad
B. 1.551 rad
C. 0.410 rad
D. 0.503 rad
Answer: A
Mathematics
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Find the sum of the given infinite geometric series.1 + 
+ 
+ . . .
A. 
B. 
C. 
D. 
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Express as a single logarithm.3log6x + 5log6(x - 6)
A. 15 log6x(x - 6) B. log6x3(x - 6)5 C. log6x(x - 6) D. log6x(x - 6)15
Mathematics
Fill in the digits for the given place values in the following whole number.8,932,539hundred thousands: tens:
A. Hundred thousands: 8, tens: 3 B. Hundred thousands: 9, tens: 3 C. Hundred thousands: 9, tens: 2 D. Hundred thousands: 3, tens: 5
Mathematics
Solve.Find x so that x - 7, 2x - 11, and 5x - 27 are consecutive terms of an arithmetic sequence.
A. x = 6 B. x = -1 C. x = -5 D. x = -13
Mathematics