Richard D
Most popular questions and responses by Richard D
College Math
Simplify the algebraic expression 3xz + 4xy – 2yz + xy + 5yz – 9xz and evaluate it for x = 3, y = 2, z = 5. Identify the variables, constants, and coefficients in the simplified expression.
asked on October 11, 2012 
College Math
A clarinet factory wants to maximize profits. They can produce 250 clarinets per week at a cost of $300 per clarinet, and sell them for $1000 per clarinet. And, they can produce 350 clarinets per week at a cost of $275 per clarinet, and sell them for $900
asked on October 19, 2012 
College Math
Simplify the algebraic expression 3z3 – 5x2 + 2 – 4y2 + 6x2 – 4z3 – 7y + 12 – 2x and evaluate it for x = 2, y = 3, z = 4. Identify the variables, constants, and coefficients in the simplified expression.
asked on October 11, 2012 
College Math
Find an equation in slopeintercept form passing through the points (4.7, 16.3) and (2.9, 16.3). Hint: first find the slope!
asked on October 19, 2012 
College Math
In a certain triangle the measure of one angle is triple the measure of a second angle but is 110 degrees less than the measure of the third angle. [The sum of the measures of three interior angles of a triangle is always 180 degrees.] What is the measure
asked on October 11, 2012 
College Math
Mary buys $32,000 worth of gold, and sells it a year later for $41,000. If she is required to pay 23% capital gains tax on her profit, how much tax will she pay?
asked on October 19, 2012 
College Math
A temperature of 38 degrees Fahrenheit (F) is equivalent to 276.483 degrees Kelvin (K), while a temperature of 75 degrees F is equivalent to 297.039 degrees K. (a) Using the algebra methods from this class, find the equation converting Kelvin temperature
asked on October 19, 2012 
College Math
Find the area of a rectangle if three of its corners are (3.7, 3.1), (1.2, 3.1), and (1.2, 5.3). Hint: find the 4th corner first.
asked on October 19, 2012 
College Math
Using EZgraph, graph the following equations; calculate the slope, xintercept, and yintercept, and label the intercepts on the graph. 3. 4.9x – 7.2y = 2.3 4. 2x = 8 5. 3.7x + 4.2y = 5.03
asked on October 19, 2012 
College Math
Find the area of a rectangle if three of its corners are (3.7, 3.1), (1.2, 3.1), and (1.2, 5.3). Hint: find the 4th corner first.
asked on October 19, 2012

College Math
How do you solve for the length you don't have to slove it but what would the formula be ?...
posted on October 19, 2012