show step by step please 6. (6 pts.) A conical pile of gravel is to be...
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6) Assume C(x) = -0.0001x +0.05x² + 60x+800 is the cost of producing x fly rods. a. Determine the average and marginal costs for x = 400 fly rods. b. Interpret the meaning for each of your results in part (a). 7) Water flows into a conical tank at a rate of 2 ft Amin. If the radius of the top of the tank is 4 feet and the height is 6 feet, determine how quickly the water...
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A small excavating company owns the following Excavator Tvpe CAT 330CCAT 365B Number of Excavators Bucket Size Excavator Cvcle Time Excavator Cost 2 1.25 с 18 sec 2 0.7 10 sec $215.00/hr $250.00/hr Available Trucks Truck Capacit HDRM 8 18 12 min Truck Cost $90.00/hr Efficiency Hour 50 min CAT 615 CAT 621 Scraper Type Scraper Capacit Scrapers Available 17 cy...
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ETCM 4330 To develop the Blue Creek mine site, a wash pit area needs to be developed on the east side of the overburden. The area is shown on th Assignment #2 g area has been leased on the south side of the site to stock pile e map. A road must be built to transport materials to the temporary working area using materials from the pit excavation. be 20' wide and 4000' long. The existing...
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Chapter 26: (HI-6) deep-space probe moves away from Earth with a speed of v. The probe measures a time duration, , required to rotate its antenna through exactly one complete rotation. (a) In the form of an equation, how much time is required for exactly one complete rotation of the probe's antenna according to an observer on Earth? (b) Use your equation from part (a) to calculate the time as measured by the Earth observer...
Hydrology ENV 321 Homework #1 Due: Friday, September 6 at 1:00pm 1. Convert (show all conversion steps for full credit; convert only one unit for cach step as demonstrated in class): a) acre-feet/day to mgd (mgd is million gallons per day] b) cfs to cms c) inches/hr rainfall to mm/day rainfall d) short tons/acre-day to Mg/hectare-year [Mg is megagrams e) inches"F to cm/ C [be careful, this one may trick you] 2. Define the hydrologic cycle component and indicate how...
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Question 1 1 pts Which of the following is a scientific statement? O Matter is filled with undetectable particles. There are things we will never know about. None of the other answers are correct. O There are parts of the universe that will never be found by man. D Question 2 1 pts It takes...
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6. a) Calculate the pH of a solution prepared by dissolving 0.0775 mol acetic acid and 0.0460 mol sodium acetate in 1 L of water. (Ka = 1.8 x 10-5) ANSWER: 4.52 b) Calculate the pH of the above solution if 0.0100 mol of KOH is added to this solution. ANSWER: 4.66
Math 2413 Derivative Applications Assignment Due: Tuesday, June 18, 2019 (5:30 pm) Name Show all work. Label your answers with the proper units. (3 points each ) A spherical ball is being inflated at the rate of 12 cubic inches per second. Find the rate at which the radius of the sphere is growing when the radius is 2 inches. long. 2. A 13 foot ladder is leaning against a wall. The base of the ladder is being palled away...
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Homework 6- Chapter 9 Problem 1: A crawler hoe having a 2 -cy bucket and whose cost per hour, including the wages to an operator, is $109 will excavate and load haul units under each of the stated conditions. The maximum digging depth of the machine is 22 ft. Determine the cost per bank cubic yard for each condition. (Condition 1: 315 bey/hr, S0.346/bcy; condition 2: 289 bey/hr, S0.377/bcy;...
4. Find the centroid of the area bounded by the curve x2 (y-4), the x-axis and the y-axis on the first quadrant. A. , 8/5 B. 2, 64/3 C. , 5/4 D. 1/8,5 5. What is the area within the curve r2 16 cos 0? C. 30 A. 26 B. 28 D. 32 6. A uniform chain the weighs 0.50 kg per meter has a leaky 15-liter bucket attached to it. If the bucket is full of liquid when 30...