Solve the given equation graphically.11 - 3x = -10
A. 9
B. 7
C. 1
D. 3
Answer: B
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Solve the problem.An equal number of shaded and nonshaded discs are lined up in a row with all the shaded discs together and all the nonshaded discs together. Switching just 2 adjacent discs at a time, find the minimum number of moves required to arrange the discs so that shaded and nonshaded discs alternate. Use the pattern below to solve.If the total number of discs in the row is 12, the number of moves needed is
.Look for a pattern.If the number of discs in the row is 2n, how many moves are needed?
A. 23; 3n + 1
B. 15;
C. 21;
D. 13; - 2
Solve the problem.Andy has 12 coins made up of quarters and half dollars, and their total value is $5.25. How many quarters does he have?
A. 9 quarters B. 11 quarters C. 8 quarters D. 3 quarters
Find the value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find tan ?.
A.
B.
C.
D.
Use the quadratic formula to find any x-intercepts on the graph of the equation.2x2 = -8x - 5
A.
B.
C.
D.