Find the indicated root of the given quadratic equation by finding x3 from Newton's method (choose x0 to be the midpoint of the given interval).7x2 - 5x - 3 = 0 (between 1 and 2)
A. 1.1058005
B. 1.1034699
C. 1.1028790
D. 1.1028847
Answer: D
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One of the values r (radius), d (diameter), C (circumference), or A (area) is given for a particular circle. Find the indicated value. Leave ? in your answer.d = 60 ft; r = ?
A. 15? ft B. 15 ft C. 30 ft D. 30? ft
Use the quadratic formula to solve the equation.5x2 - 3x - 8 = 0
A. 
B. 
C. 
D. 
Solve the problem.During the first five months of the year, Len earned commissions of $2,620, $2,070, $3,510, $2,360, and $3,470. If Len must have average monthly earnings of at least $2,910 in order to qualify for retirement benefits, what must he earn in the sixth month in order to qualify for benefits?
A. at least $2,910 B. at least $3,430 C. at least $2,823 D. at least $2,806
Simplify.
A. 24 B. -72 C. -24 D. 72