Questions in mathematics

Questions in mathematics

[Done] Solve the equation: \[ 8x - 2(x + 1) = 2(3x - 1) \] Choose the correct solution: A. 0 B. 2 C. No solution D. Identity Note: The user thinks the answer is "No solution." Can someone verify this answer?

[Done] Ema bought 6 bags of walnuts. Each bag contained [tex]\frac{3}{4}[/tex] of a pound of walnuts. What was the total weight of the walnuts?

[Done] One day, a store sold 33 sweatshirts. White ones cost $11.95, and yellow ones cost $11.50. In total, $386.70 worth of sweatshirts were sold. How many of each color were sold?

[Done] Liza finished studying at half past 3. What time did Liza finish studying? A. 3:30 B. 3:15 C. 2:45 D. 2:15

[Done] Factor each expression: 1. \(4n^2 - 8n + 3\) 2. \(4p^2 + 7p + 3\) 3. \(6r^2 - 23r + 20\) 4. \(5z^2 + 19z - 4\) 5. \(2k^2 - 13k - 24\) 6. \(6t^2 + 7t - 5\) 7. \(3x^2 + 23x - 36\) 8. \(4w^2 - 5w - 6\) 9. \(4d^2 - 4d - 35\)

[Done] Andre says that 5 3/4 + 2 1/2 =7 1/2 because 7 4/8 = 8 1/2. Identify his mistake. Draw a picture to prove that he is wrong.

[Done] Is [tex]x = 14[/tex] a solution of the equation [tex]23 = x - 9[/tex]?

[Done] Melinda's lights went out. She has 3 pairs of red socks, 2 pairs of black socks, and 5 pairs of white socks in her drawer. What is the minimum number of pairs she must remove from the drawer to ensure that she has a pair of each color? A. 3 B. 5 C. 7 D. 9 E. 10

[Done] How do the numerator and denominator of a fraction compare with the dividend and divisor of a division expression?

[Done] How many times does 16 go into 125?