^IDC^
This page lists questions and answers that were posted by visitors named ^IDC^.
Questions
The following questions were asked by visitors named ^IDC^.
Answers
The following answers were posted by visitors named ^IDC^.
IDC
2 years ago
Multiply. Give your answer in standard form. (2n2 + 5n + 4)(2n – 4) A. 4n3 – 2n2 + 28n – 16 B. 4n3 + 12n2 – 2n – 16 C. 4n3 + 2n2 – 12n – 16 D. 4n3 + 18n2 – 28n – 16 *i think it might be C*
2 years ago
Multiply. (2n + 2)(2n – 2) A. 4n2 – 4 B. 4n2 – 4n – 4 C. 4n2 + 2n – 4 D. 4n2 + 4n – 4 *i think it's A*
2 years ago
The area of a rectangular painting is given by the trinomial x2 + 4x – 21. What are the possible dimensions of the painting? Use factoring. A. (x + 7) and (x + 3) B. (x – 7) and (x + 3) C. (x – 7) and ( x – 3) D. (x + 7) and (x – 3) * i think it's B* A ca...
2 years ago
Solve the equation using the Zero-Product Property. –9n(5n – 5) = 0 A. –1/9, 1 B. 0, 1 C. –1/9, –1 D. 0, –1 * i think it's C* Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x2 + 3 = –4x A. x = 1, 3 B. x = –1...
2 years ago
i need help with this 0 equals 3 x squared minus 5x minus 5 A. one solution B. two solutions C. no solutions D. infinitely many solutions
2 years ago
I need help, Since opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night....
2 years ago
i need help, What are the solutions to the system? y = x2 + 3x – 4 y = 2x + 2 A. (–3, 6) and (2, –4) B. (–3, –4) and (2, 6) C. (–3, –4) and (–2, –2) D. no solution Simplify the radical expression. start root 405 end root A. 5 Start Root 9 End Root B. 9 St...
2 years ago
start fraction 1 over 3x plus 9 end fraction minus start fraction 2 over x plus 3 end fraction equals 2 A. x = 1 B. x = –start fraction 23 over 6 end fraction C. x = –start fraction 5 over 2 end fraction D. x = –5 i need help,
2 years ago
i need help, The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour? A. about 3.11 hours B. 1...
2 years ago