The temperature, T°C of the air at height metres inside a blast furnace is modelled by the equation: T = -1.352² +37z+1347 Find the rate of decrease of the temperature with height at the point where z = 15. When z = 15 then = b) Find the height at which the temperature is highest. The temperature is highest when z = Give your answer rounded to 2 decimal places, if needed. Find the maximum temperature in the blast furnace. The maximum temperarure is Tmaz 1 °C. Give your answer rounded to 2 decimal places, if needed.

The temperature, T°C of the air at height metres inside a blast furnace is modelled by the equation: T = -1.352² +37z+1347 Find the rate of decrease of the temperature with height at the point where z = 15. When z = 15 then = b) Find the height at which the temperature is highest. The temperature is highest when z = Give your answer rounded to 2 decimal places, if needed. Find the maximum temperature in the blast furnace. The maximum temperarure is Tmaz 1 °C. Give your answer rounded to 2 decimal places, if needed.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Polynomial Functions

Section3.5: Mathematical Modeling And Variation

Problem 6ECP: The resistance of a copper wire carrying an electrical current is directly proportional to its...

See similar textbooks

Similar questions

A man throws a ball into the air with a velocity of 96 ft/sec. Use the formula h=16t2+v0t to determine when the height of the ball will be 48 feet. Round to the nearest tenth of a second.
A man throws a ball into the air with a velocity of 96 ft/s. Use the formula h=16t2+v0t to determine when the height of the ball will be 48 feet. Round to the nearest tenth.
Ben starts walking along a path at 4 mi/h. One and a half hours after Ben leaves, his sister Amanda begins jogging along the same path at 6 mi/h. How long will it be before Amanda catches up to Ben?
A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial height of 8 feet. Use the formula h=16t2+v0t+8 to determine how many seconds it will take for the bullet to hit the ground. (That is, when will h=0 ?)
An arrow is shot from the ground into the air at an initial speed of 108 ft/sec. Use the formula h=16t2+v0t to determine when the arrow will be 180 feet from the ground. Round the nearest tenth of a second.
A car is traveling down a highway at a constant speed described by the equation d = 65t, where d represents the distance, in miles, that the car travels at this speed in t hours.
T = -pi/2
If a ball is thrown into the air with a velocity of 58 ft/sec , its height (in feet) af ter t seconds is given by H= 58t – 16t². Find the velocity when t=9 sec. - 228 ft/sec - 229 ft/sec В -232 ft/sec – 230 ft/sec E none of the given choices
Find dy. 11- 8 dy = (Simplify your answer.)
Engr. Moncada is playing tennis. She hit the ball into the air at a certain height in meters given by the equation h(t)=-24t^2+120t, where t is the number of seconds elapsed since the ball was hit. How long does it take for the ball to hit the ground?
A vehicle purchased for $3250032500 depreciates at a constant rate of 13%13% each year. Its value after t years can be modeled by the equation A=P(0.87)tA=P(0.87)t, where P is the original value of the vehicle.Determine the number of years that it takes for the vehicle to depreciate to $90009000
A car is traveling down a highway at a constant speed, described by the equation d = 75t, where d is the distance, in miles, that the car travels at this speed in t hours.