Questions in mathematics

Questions in mathematics

📝 Answered - What is the exact value of $\cot \left(\frac{3 \pi}{4}\right) $?

📝 Answered - Which quadratic equation is equivalent to [tex]u^2-11 u+24=0[/tex] where [tex]u=(x^2-1)[/tex]? [tex](u^2)^2-11(u^2)+24[/tex] where [tex]u=(x^2-1)[/tex] [tex]u^2+1-11 u+24=0[/tex] where [tex]u=(x^2-1)[/tex] [tex](u^2-1)^2-11(u^2-1)+24[/tex] where [tex]u=(x^2-1)[/tex]

📝 Answered - Divide. $10 \div(-0.05)= \square$ (Type an integer or decimal.)

📝 Answered - Ping lives at the corner of 3rd Street and 6th Avenue. Ari lives at the corner of 21st Street and 18th Avenue. There is a gym $\frac{2}{3}$ the distance from Ping's home to Ari's home. $\begin{array}{l} x=\left(\frac{m}{m+n}\right)\left(x_2-x_1\right)+x_1 \\ v=\left(\frac{m}{m+n}\right)\left(v_2-v_1\right)+v_1 \end{array}$ Where is the gym? A. 9th Street and 10th Avenue B. 12th Street and 12th Avenue C. 14th Street and 12th Avenue D. 15th Street and 14th Avenue

📝 Answered - What are the two equations created by the inequality $|x-12|+5<27$? $y_1=\sqrt{|x-12|}$ and $y_2=\sqrt{22}$ Complete which graph represents the two functions?

📝 Answered - Mike leases a new pickup by paying $2800 up front and $286 a month over three years. The lease also stipulates he will be charged $0.15 per mile for every mile over 36,000. If he puts 42,324 miles on the truck, what will be the total cost of the lease?

📝 Answered - Which of the following values would not be a valid correlation coefficient? 1. 3 2. 0.04 3. 0.5 4. 0.7

📝 Answered - Graph $h(x)=0.5(x+2)^2-4$ by following these steps: Step 1: Identify $a, h$, and $k$. $a=$ $\square$

📝 Answered - Solve the equation using the distributive property and properties of equality. [tex]2(x-8)=68[/tex] What is the value of [tex]x[/tex]? A. 26 B. 30 C. 38 D. 42

📝 Answered - Select the correct answer. Are the given lines parallel, perpendicular, or neither? [tex] \begin{array}{l} 3 x+12 y=9 \\ 2 x-8 y=4 \end{array} [/tex] A. The quotient of the slopes of the lines is 1, so the lines are parallel. B. The slopes of the lines are not the same, so they are perpendicular. C. The slopes of the lines are opposites, so they are neither parallel nor perpendicular. D. The product of the slopes of the lines is 1, so the lines are perpendicular.