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Find the equation of a parabola whose vertex is (0,0) and directrix is the line y=3.
Add proper constant to each binomial so that the resulting trinomial is a perfect square then factor the trinomial.
When he averages 40 mph, he arrives at his workplace 3 minutes late, but when he averages 60 mph he arrives at his workplace 3 minutes early.
If the demand for oil is currently 50 billion barrels per year, how much will be consumed in the next 10 years?
Find the cost per ounce of each of the following sets of products, and tell which one is the better buy for each pair.
Solve using the multiplication principle. Don't forget to perform a check. Solve using the multiplication principle.
The natural length of a spring is 10 cm. A force of 25 N stretches it to a length of 20cm. How much work, in units of N-cm, is done in stretching it
Linear equation and system of equations.Decide whether the pair of lines is parallel, perpendicular, or neither.
Graph each absolute value function and state its domain and range.
Determine whether the graph of the parabola opens upward or downward.
The ball reaches the greatest height on its trajectory, 35 feet, directly above the head of the left fielder, who is 200ft from home plate.
Find the equation of the parabola after inserting an xy coordinate system with the vertex at the origin, the y axis (pointing upward) the axis of the parabola.
Finding domain & range on below: Finding domain & range on below:
Steve has just returned from salmon fishing. He was lucky on this trip and brought home two salmon. Steve's wife, Wendy disapproves of fishing.
Determine graphically the solution set for each system of inequalities and indicate whether the solution set is bound or unbounded.
Find a value for C so that f(x) is continuous for all of x
There is a lion in a well whose depth is 50 palms. He climbs 1/7 of a palm daily and slips back 1/9 of a palm. In how many days will he get out of the well?
A chocolate bar consists of two rows of small squares with four squares in each row as shown in (a) of the accompanying figure.
Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each.
Find each of the following. You may use a calculator to replace hand calculation for row reduction and finding the characteristic polynomial.
If the company agrees to apply $500,000 to the process of cleaning up the lake, what percent of the pollution can be removed?
Gauss-Jordan Elimination process , provide complete and step by step solution.
If the length of the sandbox is designed to be 10 feet longer than the width, write a polynomial that represents the area of the sandbox.
A rancher is building a rectangular corral and is using one wall of his barn as one of the sides. Because the barn wall is quite long, he needs fencing