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Find the dimensions of the building to minimize the cost of construction of the walls and the roof assuming that the glass wall costs twice as much as that of the brick wall.
Mathematics in computing, The last time I used tutor's globe, I was very happy with the quality of the work--I hope to see the same results. I am submitting two orders in a row, hoping to receive a
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Find the cubed roots of 27i. (So n=3) Answer should be in standard form. Use 27 cis (90 degress), which is the trigonometric from of 27i, to do the problem.
Commercial concentrated aqueous ammonia is 19.7% NH3 by mass. The solution has a density of 0.900 g/mL. Calculate the molarity of the solution, molality of the solution, and mole fraction of NH3.
Write the complex number in trigonometric for r(cos θ + i sin θ), with θ in the interval [00, 3600).
Write the complex number 6(cos 330 degrees + i sin 330 degrees) in rectangular form. Please show all of the work.
A triangular pyramid begins with these coordinates:
Assuming perfect conditions exist and continue, how many rabbits are there in 2.5 years (30 months)? What is happening with the population of the rabbits?
What focal -length eyepiece is needed if your eye can resolution objects 0.10mm apart at a distance of 25cm? What is the resolution limit (radians) set by the size of the objective lens (that is bi
An anti node is located at point A. In the time interval that point takes to move from maximum upward displacement to maximum downward displacement, how far does each wave move along the string?
Express the monthly cost C as a function of the distance driven d, assuming that a linear relationship gives a suitable model. Use part (a) to predict the cost of driving 1500 miles per month. Draw th
An 1150-kg car pulls a 450-kg trailer. The car exerts a horizontal force of 3.8 x 103 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective f
However, your parents argue that Apple releases new generations so frequently, it would be a massive waste of money to buy the latest model. In fact, most gadgets depreciate exponentially.
A supermarket sells 2 cans of ground coffee for $18.50. the cost of coffee varies directly with the number of cans. how much do 5 cans of coffee cost?
What must be added to 5/14 of 7/35 to make the sum equal to 7/3 of 1/21 ? Please solve it without using "x factor ".
Question: "Sam" and "Martha" are local names for two lighthouses. Sam blinks every 12 seconds, Martha every 8 seconds. They blink together at midnight. How many seconds will pass before they blink t
A recipe that makes 6 servings calls for 1/3 cup of orange juice and 1/2 cup of lemonade. Arlene modifies the recipe so that it can serve 9. How many cups of orange juice does Arlene need?
Determine the value of x, in dollars, that will make their weekly pay the same.
Question: Under ideal conditions a certain bacteria population is known to double every three hours. Suppose that there are initially 100 bacteria. (a) What is the size of the population after 15 ho
The monitor estimates this value by calculating the slope of a secant line. Use the data to estimate the patient's heart rate after 42 minutes using the secant line between the points with the given
Find the rate at which the area of the triangle is changing when the base of the ladder is 7 feet from the wall.
Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle measures and perimeter of the image compare to those of the original?
At work one day, Erica Franz received 35 packages. Speedy Delivery delivered twice as many as Ralph's Express, while Ralph's Express delivered five more than SendQuick Package service. How many pack
Find two other sets of three terms that are in subcontrary proportion.