Perform the indicated arithmetic.3
+ 1
A. 4
B. 5
C. 4
D. 4
Answer: B
Mathematics
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Use the quadratic formula to solve the equation.7x2 = -12x - 3
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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Express the number as a decimal. Give your answer to two decimal places, if required.
?
Fill in the blank(s) with the appropriate word(s).
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Solve the problem.A truck pushes a load of 45 tons up a hill with an inclination of 35°. Express the force vector F in terms of i and j. Round the components of F to two decimal places.
Fill in the blank(s) with the appropriate word(s).
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics