HRS - Ask. Learn. Share Knowledge. Logo

Questions in Grade College

[Done] Which of the following was an important part of President Lyndon Johnson's Great Society? A. Social Security B. Affordable Care Act C. Clean Water Act D. War on Poverty

[Done] Write an equation in slope-intercept form for the line with slope -7 and $y$-intercept 7.

[Done] A circuit has a current of 2 A. If the resistance in the circuit decreases to one-fourth of its original amount while the voltage remains constant, what will be the resulting current? A. 0.5 A B. 2A C. 4A D. 8A

[Done] Simplify. Write your response in $a+b i$ form. $(-17+19 i)-(11+2 i)=$

[Done] The two main types of federal taxes on wages and salary are: A. excise B. federal C. income D. sales E. tax and Social Security tax.

[Done] Which steps are part of doing a cost-benefit analysis? Select three. A. predicting costs B. identifying outcomes C. comparing costs D. calculating costs E. delaying decisions

[Done] Charlie is installing new carpet in his rectangular living room, which is 5 feet longer than it is wide. He has received quotes for the total installation costs from two different contractors for the same style of carpet. Contractor A charges an installation fee of $125 plus $2 per square foot for the carpet. Contractor B charges an installation fee of $75 plus $2.50 per square foot for the carpet. Which system of equations could be used to determine x, the width of the living room in feet, for which the quote for the installation costs, y, is the same for both companies? A. [tex] \begin{array}{l} y=2 x^2+130 \\ y=2.5 x^2+80 \end{array} [/tex] B. [tex] \begin{array}{l} y=2 x^2+5 x+125 \\ y=2.5 x^2+5 x+75 \end{array} [/tex] C. [tex] \begin{array}{l} y=2 x^2+10 x+250 \\ y=2.5 x^2+12.5 x+150 \end{array} [/tex] D. [tex] \begin{array}{l} y=2 x^2+10 x+125 \\ y=2.5 x^2+12.5 x+75 \end{array} [/tex]

[Done] Which of these best describes an experiment? A. A study that changes one variable and observes the effects on another variable. B. A study that observes two variables to determine whether they change together. C. A study that measures a variable at regular intervals over a long period of time.

[Done] Find the vertex of the quadratic function: [tex]f(x)=-3 x^2+12 x+1[/tex]

[Done] When using a shunt to determine the current in the circuit, a multimeter is set to measure: A. Resistance B. Voltage C. Current D. Frequency