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You are tutoring a friend who is just learning how to graph linear equations with two variables. How will you describe at least two methods of graphing lines?
The J.P. Atkins Company will soon be introducing a new product. Estimates have been made of the monthly profit that would be generated by this product
A physician injects 5 mg of dye into a vein near the heart of a patient and by monitoring the concentration of dye in the blood over a 24-second period
Barn painting. Melanie can paint a certain barn by herself in x days. Her helper Melissa can paint the same barn by herself in 2x days.
A car dealer advertised a big sale by stretching a string of banners from the top of the building to the edge of the driveway.
A family makes a 43.25 km trip in 5.5 hours. On the first part of the trip they crossed a lake in a canoe paddling at 12 km/h.
Determine whether each relation is a function. In addition, provide reasons for identifying a relation as a function.
An echo bounces from a building exactly 1.00s after you honk your horn. How many feet away is the building if the air temperature is 20.0C?
At 10:00 a.m., train A leaves the station heading east at 40 m.p.h. At 11:00 a.m., train B leaves the same station heading North 30 degrees.
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