Questions in mathematics

Questions in mathematics

📝 Answered - Mr. McElroy enjoys listening to his MP3 player, which has 2,000 songs in five different genres of music. He took a sample of the number of each type of song it played on two different one-hour sessions when it was set to play a random mix. The results are displayed in the table below. What is a good prediction for the number of rock songs Mr. McElroy has on his MP3 player? | | Sample 1 | Sample 2 | | :------ | :------- | :------- | | Country | 5 | 3 | | Pop | 4 | 3 | | Classical | 3 | 5 | | Jazz | 2 | 4 | | Rock | 6 | 5 | A. 225 B. 550 C. 1100 D. 1667

📝 Answered - Solve this inequality: $3 p-6>21$. A) $p>-9$ B) $p>-5$ C) $p>9$ D) $p>5$

📝 Answered - Write with fractional exponents. [tex]65\sqrt{x^2 y}[/tex]

📝 Answered - Evaluate the expression $15 + 24($30) to find the total cost.

📝 Answered - What is $9.309 \times 10^{-3}$ written in standard form?

📝 Answered - Which of the following is a monomial? A) 4 B) [tex]$3 x+4$[/tex] C) [tex]$2 x-1$[/tex] D) [tex]$3 x^2+2 x-1$[/tex]

📝 Answered - Escribe dos números mayores y dos números menores a los propuestos: | Menores | Número | Mayores | |---|---|---| | 230999 | | | | 888899 | | | | 777619 | | |

📝 Answered - Express the answer in interval notation. $(-\infty,-9] \cup[-5, \infty)$ A. [-9,-5] B. (-9,5) C. [-5, \infty)

📝 Answered - Given that [tex]m=\frac{1}{s} \sqrt{\frac{g x}{z}}[/tex]. Find [tex]z[/tex] in terms of [tex]m, s, g[/tex] and [tex]x[/tex]

📝 Answered - Calculate [tex]$\frac{3}{8} \times \frac{2}{5}$[/tex] Give your answer in its simplest form.