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Simplify the expression, and identify the constants, coefficients, and variables in the simplified expression.
A square plywood platform has a perimeter which is 9 times the length of a side, decreased by 15. Find the length of a side.
On Friday, Shawn drove to the lake in 45 minutes. On Sunday he returned up in 9 less minutes and averaged 12 more miles per hour
If he answered 10 out of the first 12 questions asked correctly but missed 3/4 of the remaining questions, how many questions were on the test?
A small walkway surrounds the pool. The walkway is a constant 2 feet wide and has an area of 196 square feet. Find the dimensions of the pool.
Use substitution to determine whether the ordered pair (-2, 11) is a solution of the equation x2 + y = 15
If a ball is thrown downwards from a height of 128 feet with an initial velocity of 32 feet per second and its height.
Determine if the following matrices are in reduced row echelon form. If it is not reduced, specify which criteria it fails to meet.
Find the measure of an angle whose supplement is 10 degrees more than twice it's complement. Let 90- x equal the degree measure.
The Initial Concentration of Pollutants in the Pond.Problem: An environmental group estimates that the amount of pollution in a pond will decrease by 10%
Linear Algebra Problem.Find values of a, b and c ( if possible) such that the system of linear equations has (a) unique solution
In 1992, the life expectancy of males in certain country was 62.2 years. In 1998, it was 65.0 years. Let E represent the life expectancy in year t
Linear Equations in One Variable.Solve and check the following linear equations:
Linear equations with constants in denominators. Solve each equation.
From the following graph. Calculate the slope of the line.
Determine the x- and y-intercepts of the given equation. Show your work. Then plot the intercepts, and graph the line. -5x + y = 0
Create a Linear Equation.Write a linear equation describing the number of exports each year with x=91 representing
If trend for the depreciation of the press continued, what would be its value in the year 2015? Show how you obtained your answer using the equation you found.
Find the slope and y-intercept for each line
Solving Systems of Equations - Real World Example.There are many applications used in the area of solving systems of equations.
Solve each system of equations by graphing and check the final estimate
The demand equation for a certain product is modeled by y = 50-v(0.01x+1) where x is the number of units demanded per day
Solve each system of equations by graphing:
Identify a pair of values of x and y for which this statement is true and another pair of values for which it is not true.
Solve each exponential equation. Express the solution set in terms of natural logarithms. Then use a calculator to obtain a decimal approximation.