Solve the proportion. Round the result to three significant digits when necessary.
A. x = 69
B. x = 75
C. x = 70
D. x = 140
E. x = 67
Answer: C
Mathematics
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Find projv u.v = 7i - 3j + k, u = -3j + 4k
A. - 
j + 
k
B. - 
j + 
k
C. 
i - 
j + 
k
D. 
i - 
j + 
k
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Provide an appropriate response.Rewrite the following equations in slope-intercept form; then find the slope and y-intercept: 2x - y = 6
What will be an ideal response?
Mathematics
Write the number using scientific notation.16,000,000
A. 1.6 × 10-7 B. 1.6 × 10-6 C. 1.6 × 107 D. 1.6 × 106
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Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Mathematics