The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature x 1, the number of days in the month x2, the average product purity x3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. If Y 240 236 290 274 301 316 300 296 267 276 288 261 X1 25 31 45 60 65 72 80 84 75 60 50 38 X2 24 21 24 25 25 26 25 25 24 25 25 23 X3 91 90 88 87 91 94 87 86 88 91 90 89 X4 100 95 110 88 94 99 97 96 110 10 10 98 y=a +a₁x₁ + a₂x + a x₂ + ax 0 1 1 22 33 4 4 represents the regression model. What is the value of a ? Use 2 decimal 2 places.

The electric power consumed each month by a chemical plant is thought to be related to the average ambient temperature x 1, the number of days in the month x2, the average product purity x3, and the tons of product produced x4. The past year's historical data are available and are presented in the following table. If Y 240 236 290 274 301 316 300 296 267 276 288 261 X1 25 31 45 60 65 72 80 84 75 60 50 38 X2 24 21 24 25 25 26 25 25 24 25 25 23 X3 91 90 88 87 91 94 87 86 88 91 90 89 X4 100 95 110 88 94 99 97 96 110 10 10 98 y=a +a₁x₁ + a₂x + a x₂ + ax 0 1 1 22 33 4 4 represents the regression model. What is the value of a ? Use 2 decimal 2 places.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Please I need the answer as soon as possible pleeeeeeeaasse
Evaluate (130 points); Use 3 decimal places. 1. The annual load of a substation is given in the following table. During each month, the power is assumed constant at an average value. Find the (a) average load and (b) the annual load factor. Annual System Load January February March 8 Y 4 April May 26 2 6 2, Tv June 12 sing July 14 phas August 14 idea September 10 imp October 8 5Y5 November December 68 6 ma del
The new GE Halidade-X wind turbine can produce up to 17420 horsepower [hp of output power. The turbine is 853 feet [ft] tall and has a diameter of 722 feet [ft). MJ The average home uses 655.2 megajoules home of energy every 7 days [d. The weekly cost to provide energy to an average home is $38.22. Determine the number of homes that a single turbine could power. Determine the cost of energy units of dollars per kilowatt hour kWh
3. A wind turbine has a blade length of 25 m. In a given day, average speed of wind for 7 hours is 9 m/s, average speed of wind for another 6 hours is 10 m/s and wind speed is not sufficient to rotate wind turbine for remaining time in a day. Take Air density g = 1.23 kg/m. Determine the following: a) Maximum possible power output of wind turbine for 7 hours b) Maximum possible power output of wind turbine for 6 hours c) Maximum possible energy output of turbine in a given day
For an electrical component, the formulas for charge and voltage are given below. A is 9 coulombs, B is 12 seconds, C is 3 volts, and D is 24 seconds. Give the current of this component at t1 = 8 sec. You must round your answer to the nearest thousandth and give your answer as an integer followed by the appropriate metric prefix and the letter that represents the units of current.
EF 230 EF152 T ME 202b Math 142 WebAssign Reading list 2. 1243 WATCH FOR ICE UT's Civil and Environmental Engineering department is considering the purchase of an ice machine. Samantha Allen, business manager extraordinaire, wants help in evalulating the purchase. She knows that the inside of the machine is -12 °C and the outside temperature is 27 °C, The initial temperature of the water is 22 °C, and the coefficient of performance is 31% of the ideal. Electrical energy costs $0.11 /kW-hr. The specific heat of ice is 0.5cal/g-°C. EXAMPLE
Calculate the required number of turbines we need in a wind farm generating 12 MW if each turbine has two blades each 12m length of Betz limits 59%, while the air velocity in that area was 12m/sec and the air density is 1.19 kg/m3
Which one of the following statement is not correct? O a. Presence of sulfur in fossil fuels leading to Acid rain O b. One of the main reason for global warming is high level greenhouse gas presence in atmosphere O c. Public transportation can control the global warming O d. Water vapor is not considering as a greenhouse gas
How much revenue can be generated in a year from a wind turbine if the power generated is sold at 25 Baiza/kWh? Velocity of the wind is 11 m/s. Mass flow rate of the air is 2865 kg/s. Efficiency of the turbine is 42 %.
Solve it correctly please. I
A coal fired thermal power stattion and a nuclear power station have the following data: Coal Nuclear Capital cost ($/KW). 700 80 Annual Interest and depreciation 10% 10% Running cost per unit ($ / kWh) Annual load factor 0.341 0.153 50% 60% On the basis of 1kW output on annual basis Use the above information to answer Q22 - Q26 22. Calculate the annual capital cost of the coal fired thermal power station a) $0.700 b) $7.00 c) $70.00 d) $700.00 e) none 23. Calculate the annual capital cost of the Nuclear power station a) $0.800 b) $8.00 c) $80.00 d) $800.00 none 24. Calculate the energy generated per annual for the Nuclear power station a) 4900 kWh b) 5250 kWh c) 6789 kWh d)7590 kWh e) none 25. Calculate the energy generated per annual for the Coal power station a) 4400 kWh b) 3295 kWh c) 4380 kWh d) 7590 kWh e) none 26. Calculate the cost of the energy generated per annum for the Coal power station a) $1493 b) $803 c) $678 d)$ 759 e) none