Questions in mathematics

Questions in mathematics

📝 Answered - List all possible outcomes when a six-sided die is rolled and a coin is flipped. How many possible outcomes are there? What are the missing table values? a = ? b = ?

📝 Answered - $\sqrt[12]{\left(x^4\right)^{\frac{1}{3}}}$

📝 Answered - Use the distributive property to rewrite this expression. $9(n+7)$

📝 Answered - Solve. Write your answer in simplest form using integers, fractions, and natural logarithms. [tex]$e^x=5$[/tex] [tex]$x=\square$[/tex]

📝 Answered - Question 6: Michael is x years old. Jenny is twice as old as Michael. The sum of their ages is 57. (a) Form an equation in terms of x. (b) Solve the equation and work out Michael's and Jenny's ages. Question 7: Fiona is x years old. Thomas is 3 years older than Fiona. Cara is twice as old as Fiona. The sum of their ages is 51. (a) Form an equation in terms of x. (b) Solve the equation and work out Fiona's, Thomas's and Cara's ages. Question 8: Alan is x years old. Barry is ten years younger than Alan. Kevin is double Alan's age. The sum of their ages is 54. (a) Form an equation in terms of x. (b) Solve the equation and work out Alan's, Barry's and Kevin's ages.

📝 Answered - Which class has the highest frequency?

📝 Answered - Which expression is equivalent to $\sqrt{128 x^8 y^3 z^9}$ ? Assume $y \geq 0$ and $z \geq 0$. A. $2 x^2 z^2 \sqrt{8 y^3 z}$ B. $4 x^2 y z^3 \sqrt{2 x^2}$ C. $8 x^4 y z^4 \sqrt{2 y z}$ D. $64 x^4 y z^4 \sqrt{2 y z}$

📝 Answered - 自来水管的内直径是 2 厘米，水管内的流速是每秒 8 厘米，一名同学去洗手，走时忘记关水龙头， 4 分钟浪费了（）立方厘米的水。

📝 Answered - Show that the total of each column is equal to the total of the sum each row. 20 [tex]\begin{array}{l} 1+3 \\ 1+3+6= \\ 1+3+6+10+6= \\ \begin{array}{lll} 1+3+6+10+15+10 & = \\ 6+15+24+10 & = \end{array} \\ 15+24+10+15+21= \end{array}[/tex] Answer:

📝 Answered - Activity 2 1. Logan was given a rectangle with length $(x-3)$ and width $(2x+5)$ and asked to find the area. Logan's final answer for the area of the rectangle: $2x^2-30x-15$. Logan made a mistake. Explain his mistake and then provide the correct answer. Be specific about what he did and what he should have done instead in your explanation. 2. Logan realized what he did wrong and is ready to try factoring. He is given a rectangle with the area of $3x^2-13x-10$ and asked to find the dimensions. What should Logan get for the length and width (factors) of the rectangle? Show your work.