Solve the problem.Find the hydrogen ion concentration of a solution whose pH is 6.1. Use the formula 
A. 0.78532984
B. 1.26 × 106
C. 7.94 × 10-7
D. -0.7853298
Answer: C
Mathematics
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A. foot B. meter C. mile D. yard
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Solve the system of equations by Gaussian elimination.
A. {(-3, 0)} B. {(-3, 1)} C. {(-4, 1)} D. ?
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Use graphing calculator to find the inverse of the matrix. Give 5 decimal places.A = 
A. 
B. 
C. 
D. 
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Find the y- and x-intercepts for the equation. Then graph the equation.f(x) = -4 - 8x
A. (0, -4); (- 
, 0)
B. (0, 
); (-4, 0)
C. (0, -4); (
, 0)
D. (0, - 
); (-4, 0)
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