Questions in mathematics

Questions in mathematics

📝 Answered - What is the variable in the expression below? [tex]$-6+15 y$[/tex]

📝 Answered - Select the correct answer. Given the domain $\{-4,0,5\}$, what is the range for the relation $12 x+6 y=24$? A. $\{12,4,-6\}$ B. $\{-12,-4,6\}$ C. $\{2,4,9\}$ D. $\{-4,4,14\}$

📝 Answered - Multiply the factors found above to find the simplified polynomial function. [tex]f(x)=(x+2)(+2)(x+3)(3)[/tex] Write the function as a product of its factors. [tex] \begin{array}{c} f(x)=(x+2)(+3)(x+3)(3) \\ f(x)=(x+3)(x+3)(3+6) \\ \downarrow \\ \downarrow \\ \left.f(x)=(F) x=3 x^2\right)(\quad) \end{array} [/tex] Use the Distributive Property to multiply the first two real factors. Do not forget to simplify? Use the Distributive Property to multiply the last two complex factors. Do not forget to simplify! Use the Distributive Property a third time to [tex]P(x)=[/tex] multiply the real and the complex parts. Make sure to simplify. Remember that [tex]i^2=-1[/tex].

📝 Answered - Selma deposited a paycheck for $378.42. She'll use the check register to record her transaction. What will be her new balance? $2,257.99 $2,337.06

📝 Answered - Oranges are bought at 100 for ₹ 80 and all of them are sold at 80 for ₹ 100. Find the loss or gain percentage in this transaction. (1) 56.25% profit (2) 22.22% loss (3) 36.36% loss (4) 44.44% profit

📝 Answered - Find the least number that should be added to 1266 to make it a perfect square. Also, find the square root of the perfect square. Find the greatest number of 5 digits which is a perfect square. Also, find its square root.

📝 Answered - A continuous random variable X has probability density given by f(x) = \begin{cases} 2e^{-2x}, & x > 0 \\ 0, & x \le 0 \end{cases} The variance is: (A) Var(X) = \frac{1}{4} (B) Var(X) = \frac{1}{2} (C) Var(X) = \frac{1}{8} (D) Var(X) = \frac{1}{16}

📝 Answered - What comes next in the sequence: 140, 141, 679, 189, 18, 209, 245, 279, 309, 359?

📝 Answered - Use the graphing calculator to locate the solutions of this system of equations: [tex] \begin{array}{l} y=(x-2)^2-15 \\ -5 x+y=-1 \end{array} [/tex] One solution of the system of equations is [$\square$] A second solution of the system of equations is [$\square$]

📝 Answered - What is the equation of the line that is perpendicular to and has the same $y$-intercept as the given line? $y=\frac{1}{5} x+1$ $y=\frac{1}{5} x+5$ $y=5 x+1$ $y=5 x+5