Solve the equation.n + 0.3n = 65
A. n = 65
B. n = 0.3
C. n = -14.7
D. n = 50
E. n = 114.7
Answer: D
Mathematics
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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
Mathematics
Multiply.
A. 
x4y3
B. 
x6y4
C. - 
x8y3
D. - 
x6y4
Mathematics
Determine the correct exponential function of the form f(x) = bx whose graph is given.
A. f(x) = 
x
B. f(x) = 5x
C. f(x) = 9x
D. f(x) = 
x
Mathematics
Solve the problem.Sirloin costs $5 per pound and ribeye steak sells for $4 per pound. Graph the region in the xy-plane that represents all possible combinations of sirloin (x) and ribeye (y) that cost less than $20.
A. 
B. 
C. 
D. 
Mathematics