Questions in mathematics

Questions in mathematics

📝 Answered - Select the best answer for the question. 18. Using the Pythagorean theorem, find the length of a leg of a right triangle if the other leg is 8 feet long and the hypotenuse is 10 feet long. A. 6 ft. B. 36 ft. C. [tex]$\sqrt{41 ft }$[/tex] D. 12.81 ft.

📝 Answered - Which phrase represents the algebraic expression $5 x-9$? A. the product of five times a number and nine B. the difference of nine times a number and five C. the sum of five times a number and five D. the difference of five times a number and nine

📝 Answered - The volume of a cylinder is given by the formula $V=\pi r^2 h$, where $r$ is the radius of the cylinder and $h$ is the height. Which expression represents the volume of this cylinder?

📝 Answered - Which expression is equivalent to $\frac{1}{x-2}+\frac{2 x}{5-x}$, for all values of $x$, where $x \neq 2$ and $x \neq 5 ?$

📝 Answered - What is the probability of rolling a sum of 3 on a standard pair of six-sided dice? Express your answer as a fraction or a decimal number rounded to three decimal places, if necessary.

📝 Answered - C. Write the predecessor of each number. 1. 14, 32, 121 2. 69, 05, 070 3. 17, 86, 00, 506 D. Write the successor of each number. 1. 42 2. 57 3. 108

📝 Answered - Solve this system of equations using the substitution method. [tex]\begin{array}{c} y=x-1 \\ 4 x+8=y \\ ([?],\end{array}[/tex]

📝 Answered - Dan is promoted to salary level 2, receives a 2% cost-of-living increase and a 10% merit bonus. What is Dan's new salary? Level | 1 | 2 | 3 Salary | $50,000 | $56,000 | $64,000

📝 Answered - Solve the literal equation for $n$. Simplify your answer. $k=\frac{-2 m-3}{n p}$

📝 Answered - Solve the compound inequality below. [tex]6+7 m\ \textless \ 6 m-5[/tex] or [tex]3 m-7\ \textless \ 5+6 m[/tex]