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Questions in Grade High-school

📝 Answered - When $6 a^2 b^3 \cdot-3 a^5 b^3$ is multiplied, the product of the coefficients is $\square$. The exponent on a when $a^2$ is multiplied by $a^5$ is $\square$.

📝 Answered - In five to seven sentences, summarize your understanding of how the United States is changing. Be sure to use examples from the lesson.

📝 Answered - The image shows a geometric representation of the function [tex]$f(x)=x^3 \quad 2 x \quad 6$[/tex] written in standard form. What is this function written in vertex form? A. [tex]$f(x)=(x-1)^2-7$[/tex] B. [tex]$f(x)=(x+1)^2-7$[/tex] C. [tex]$f(x)=(x-1)^2-5$[/tex] D. [tex]$f(x)=(x+1)^2-5$[/tex]

📝 Answered - The weight of Jacob's backpack is made up of the weight of the contents of the backpack as well as the weight of the backpack itself. Seventy percent of the total weight is textbooks. His notebooks weigh a total of 4 pounds, and the backpack itself weighs 2 pounds. If the backpack contains only textbooks and notebooks, which equation can be used to determine $t$, the weight of the textbooks? $0.7(t)=t-4-2$ $0.7(t)=t+4+2$ $0.7 t(4+2)=t$ $0.7(t+4+2)=t$

📝 Answered - Write an equation of a parabola that opens to the left, has a vertex at the origin, and a focus at ( [tex]$(-9,0)$[/tex] ).

📝 Answered - Solve the quadratic equation. [tex]x^2+9 x-15=0[/tex]

📝 Answered - A system of equations is shown. $\left\{\begin{array}{c} y^2+x^2=20 \\ y=-x^2 \end{array}\right.$ Plot the real solutions to the system of equations. Plot each point on the coordinate grid.

📝 Answered - Circular congruent holes with a diameter of 2 in. were punched out of a rectangular piece of paper with dimensions 8.5 in. by 11 in. What is the area of the paper that is left? Use 3.14 for [tex]$\pi$[/tex].

📝 Answered - In a survey, [tex]$\frac{1}{3}$[/tex] of the total players play volleyball only, [tex]$\frac{1}{5}$[/tex] of the total players play football only, [tex]$0130 \frac{3}{5}$[/tex] of total players play football, but 50 play neither of them. Find the number of players who play only one game.

📝 Answered - [CU(H_2O)_4]^{2+} + H_2O \rightleftharpoons Write the equation for the following acting as an acid.