Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.-10x - 4y - 7z = 9 and 2x + 9y - 9z = 7
A. 0.042 rad
B. 1.283 rad
C. 1.444 rad
D. 1.528 rad
Answer: D
Mathematics
You might also like to view...
Find the least common denominator of the rational expressions.
and 
A. x( x + 3)( x - 3)2 B. x( x - 3) C. ( x2 + 3)( x2 - 3) D. x( x + 3)( x - 3)
Mathematics
Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. Not enough data B. 28.6 ft2 C. 27.6 ft2 D. 14.3 ft2
Mathematics
Graph.f(x) = 
x2 - 3x + 2
A. 
B. 
C. 
D. 
Mathematics
Find any numbers for which the rational expression is undefined.
A. a = 2 B. a = 0 C. a = -2 D. none
Mathematics