Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.7x - 2y - 9z = 1 and- 5x + 8y - 8z = -1
A. 1.424 rad
B. 0.882 rad
C. 0.147 rad
D. 1.543 rad
Answer: A
Mathematics
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Use technology to solve the system.2x - y = 5-4x +2y = -10
A. (0, -5)
B. No solution
C. (2, 5)
D. Infinitely many solutions: {
2x - y = 5}
Mathematics
Integrate the given expression. 
A. 
x3/2 + C
B. 
x1/2 + C
C. 
x1/2 + C
D. 
x3/2 + C
Mathematics
Determine the population and the sample.Every 75th computer coming off an assembly line is checked for defects.
A. Population: all computers coming off the assembly line; Sample: every 75th computer B. Population: all computers coming off the assembly line; Sample: 75 computers C. Population: 75 computers; Sample: one computer D. Population: every 75th computer coming off the assembly line; Sample: 75 computers
Mathematics
Find the graph of the function. 
a. 
b. 
c. 
d. 
Mathematics