Clear fractions then solve by substitution. +  = 4 - 2y = 21

A. {(-6, 8)}
B. {(6, -8)}
C. {(x, y)| 7x + 5y = 48}
D. ?


Answer: B

Mathematics

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Solve graphically. Round solutions to three decimal places, where appropriate.6x2 - 16x + 7 = 0

A. 1.052, 2.615 B. -0.448, 1.115 C. 0.652, 2.215 D. 0.552, 2.115

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Solve the problem.Use Newton's method to estimate the one real solution of   Start with  and then find x2.

What will be an ideal response?

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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines.y = 4x,y = x2; revolve about the y-axis

A. ?
B. - ?
C. ?
D. ?

Mathematics

Use the tables below to solve the problem. Round dollar amounts to the nearest cent and percents to the nearest tenth.You decide to work part-time at a local supermarket. The job pays $8.50 per hour and you work 21 hours per week. Your employer withholds 10% of your gross pay for federal taxes, 7.65% for FICA taxes, and  for state taxes.(a) What is your weekly gross pay?(b) How much is withheld per week for

federal taxes?(c) How much is withheld per week for FICA taxes?(d) How much is withheld per week for state taxes?(e) What is your weekly net pay? percentage of your gross pay is withheld for taxes?

A. (a) $178.50
(b) $1785.00
(c) $13.66
(d) $714.00
(e) $146.99
(f) 1407.7%
B. (a) $178.50
(b) $17.85
(c) $13.66
(d) $7.14
(e) $139.85
(f) 21.7%
C. (a) $217.15
(b) $17.85
(c) $13.66
(d) $7.14
(e) $17.85
(f) 21.7%
D. (a) $217.15
(b) $7.14
(c) $13.66
(d) $17.85
(e) $178.50
(f) 0.2%

Mathematics