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Determine rate charged per hour by each mechanic if sum of two rates was $120 per hour? 1st mechanic- 2nd mechanic.
U.S. national average passenger car "fuel economy" is about 25 miles per gallon. With this change in national fuel-economy standard, find percent increase in "energy efficiency?"
Assume that when he current is 17A (amperes), resistance is 10 ohms. Determine current when resistance is 85 ohms?
If 100 live bacteria make it into bloodstream through cut, how many hours, correct to nearest whole hour, it takes before bacterial population reaches the lethal level?
Which of these is the valid geometric definition of the parabola? Set of points equidistant from a directrix and the focus not on directrix.
The eccentricity tells which of the given things about the conic section in polar coordinates? How far focus is from directrix. Which kind of conic section it is.
Eradicate the parameter from parametric form of given equation. What shape is it? X=a +bt y=c + dt. A+bt=c + dt is the plane.
Compute the equation for line parallel to line 7x+3y=4 passing through point (3,7). Compute the equation for line perpendicular to line -x+2y=5 passing through orgin
Find equation of circle with center at (0,3) which has point (0,6). Find equation of circle with center at (3,-1) which has the origin.
Determine equation for profit. Graph profit equation. Compute explain what vertex, x-intercepts, intercepts mean in terms of making pretzels.
Draw cost and revenue functions and locate regions of profit and loss. Compute break even points using quadratic formula before you create graph.
Let two points (-2,3) and (-1,6). Compute distance between these two points. Compute equation of perpendicular line passing through (1,1).
Together diagonal and longer side of the rectangular plot are three times length of shorter side. If longer side exceeds shorter side by 100 feet, determine the area of the plot?
Numerator of the fraction is two less than denominator. Sum of fraction and its reciprocol is 25/12. Determine numerator and denominator assuming that each is positive integer.
Anthony invests $8200. Part of money is invested in stocks at 6% per year, and rest is invested in bonds at 8% per year. Find how much money invested in each so total yearly interest on investment
New research points to that concentration of bleach must be 8% for complete sterilization. How much of solution must be drained and replaced with bleach to rise bleach content to recommended level?
The artifact from the recent archaeological dig is analyzed for C14. Report has the information given below. Find the age of the artifact?
Start with graph of basic function(for instancey=x^2) and illustrate all stages. ensure to illustrate at least three main points. Compute domain and range of each function. Verify results using grap
The company distributes college logo sweatshirts and sells them for $75 each. Total cost function is linear, and total cost for 100 sweatshirts is $4560, while total cost for 275 sweatshirts is $806
Calculate v=ln y and u=ln x, plot points (u,v), determine constants m and b such that v=mu + b then using log-log plot of y and x, compute the constant a such that y=a*x^m.
The Richter magnitude M of the earthquake is defined in terms of energy E in joules released by earthquake, with log10 E = 4.4 + 1.5M. Determine the energy for the earthquake with the magnitude of
Write equation which represents total cost. Compute the marginal cost, and what does it signify in terms of manufacturing lawn mowers?
Determine the p-intercept? Interpret its meaning in terms of supply and price. Draw graph of the function. Include only portion of graph which is suitable for the supply function.
Though, when price is $1.25 monthly demand is 96 thousand. Suppose that demand function is linear, write the equation for demand function.
If child is between ages of 5 and 10. Height of the certain youngster is 44 inches when child is age 5, and 55 inches at age 7. Find out height of the child when he is 10 years old.