A cup of coffee has a temperature of 200℉ and is placed in a room that has a temperature of 70℉. After 10 minutes the temperature of the coffee is 150℉. After how many minutes will the coffee reach 100℉100℉? Round your answer to the nearest tenth.

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A: Given problem is : If a certain trip takes 40 mins when you travel 50 miles per hour how many…

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Q: ctions: Please choose the letter of the best answer to each question. Given DFHN D'F'H'N', solve for…

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Q: A father gave $500 to his two sons. He gave X dollars to one son. Find  the amount he gave to the…

A: The sum of amounts of both sons must be equal to $500,  Hence,

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A: Given,Walking 6 miles in 3 hours will use up 975 calories and burning 3500 calories is equivalent to…

Q: The longest hike I completed this summer took me 9 times as long as the shortest hike I completed.…

A: Let the shortest hike took x minutes. So the longest hike took 9x minutes.  So total time for the…

Q: In the year 2003, a company made $5.6 million in profit. For each consecutive year after that, their…

A: Given : In the year 2003, the company made $5.6 million in profit. let, Profit : P = $5.6 Now, for…

Q: If a car travels at 60 miles per hour for 8 hours. how far will the car travel? (A) 400 miles (B)…

A: Given:-speed of the car=60 miles/hourtime taken to travel  by the car=8 hours

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A: Given, Phineas can build a rocket in 7 hours, Ferb can do the same work in 14 hrs.  They together…

Q: A small candle that is 12 inches tall burns at a rate of 1/2 inch per hour. A larger candle that is…

A: Step:-1 Given that a small candle of 12 inches (height) and it burns at a rate of 12 inch per hour…

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Q: The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room…

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Q: Donald drove home from college traveling an average speed of 68.9 mph and drove back to the college…

A: Donald drove home from college traveling an average speed of 68.9 mph anddrove back to the college…

Q: It is 4:35 p.m. and dinner is at 5:00 p.m. If each task takes five minutes to complete, how many…

A: Arithmetic is a branch of mathematics. There are 4 basic operations in arithmetic. Division is one…

Q: Bill and Ben can clean the garage together in 6 hours. If it takes Bill 10hours working alone, how…

A: Both do work in 6 hours, Bill alone does in 10 hours, So,

Q: A plane travels at a speed of 170 mph in still air. Flying with a tailwind, the plane is clocked…

A: Let S is the  wind speed then                             with wind                       against…

Q: Two companies working together can clear a parcel of land in 7 hours. Working alone, it would take…

A: Let company B takes x hours to clear the land alone Its work rate=1x And company A takes (x+10)…

Q: Helmut can paddle in still water at a speed of 4 km/h. If he paddled 10 km upstream against the…

A: This problem is related to river section of algebra. And we solve this using distance-time formula.

Q: A metal bar at a temperature of 100F is placed in a room at constant temperature of 0F, if after 20…

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Q: A firework rocket is shot upward at a rate of 609 ft/sec. Use the formula h =-16t^ 2 +v 1 t to…

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Q: a ball is thrown upwards at 96 feet per second from the top of a building that is 100 feet high, the…

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Q: The diameter of a snow globe is approximately 15 cm. If the snow globe is to be increased to a…

A: Take ratio of volume in two cases.

Q: Ms. Hardy walks 12 meters in 24.7 seconds. If she walks at this same rate, which of the following is…

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Q: The height h, in feet, of a ball t seconds after being thrown from a height of 6 ft is given by the…

A: The height of a ball is given by ht=-16t2+32t+6. In order to find the time at which the ball reached…

Q: Roger can run one mile in 24minutes. Jeff can run one mile in 21minutes. If Jeff gives Roger a 11…

A: Data of Roger,Roger runs 1 mile in 24 minutes.So, Rate by which Roger is running = 1/24 mile/…

Q: a carousel spins at a rate 2 miles in 7 minutes how far would a passenger on carousel travel in 25…

A: a carousel spins at a rate 2 miles in 7 minutes how far would a passenger on carousel travel in 25…

Q: A thermometer is taken from a room where the temperature is 23C to the outdoors, where the…

A: According to the given information, A thermometer is taken from a room where temperature is 23C to…

Q: Walking 4 mi in 2 h will use up 650 calories. Walking at the same rate, how many miles would a…

A: Given,Walking 4 mi in 2 h will use up 650 calories.

Q: A businessperson took a small airplane for a quick flight up the coast for a lunch meeting and then…

A: Let the windspeed be x mph (constant throughout the trip). So, the speed of the plane along and…

Q: Two companies working together can clear a parcel of land in 21 hours. Working alone, it would take…

A: Consider the two companies as A and B.   Given to clear parcel of land: Time taken when both A and B…

Q: Three more than the reciprocal of a number is the same as 7 divided by that number. Find the…

A: Let the number be x. Then three more than the reciprocal of the number is (1/x)+3 which is same as 7…

Q: From the window of an airplane, you can see a farmhouse directly below. If the plane is traveling at…

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Q: Maria, upon returning from a fishing trip, bragged to her friends that she caught a Pacific halibut…

A: L=0.46W3 here W=weight in kg L=length in meters

Q: The temperature of a metal ingot is 60°C above room temperature right now. Ten minutes ago, it was…

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Q: The patient admitted to the emergency room was given an antibiotic. The antibiotic kills germs at a…

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Q: Ashley is 64 years old and Stephanie is 18 years old. How many years will it take until Ashley is…

A: Solution of the problem as follows

Q: A block with initial temperature of 65°F was put inside the oven with temperature of 350°F. After 10…

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Q: The formula for converting temperature from Fahrenheit to Celsius is C =(F – 32), If the temperature…

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Q: The formula for converting temperature from Fahrenheit to Celsius is C =;(F - 32), If the…

A: Given formula is  C= 5/9(F-32)  Where C is temperature in degree Celsius  and F is temperature in…

Q: If the temperature is 43 °F, how much time does it take for thecricket to produce 12 chirps?A. 12 s…

A: Given temperature is: TF=43°F Number of chirps and temperature have relation: N=TF-40 N= number of…

Q: If an object is shot upward with an initial velocity, vo, in feet per second (ft/s), the velocity,…

A: Given that if an object is shot upward with an initial velocity, v0, in feet per second (ft/s), the…

Q: Frank's automobile engine runs at 100°C. One day, when the outside temperature is 16°C, he turns off…

A: As per our guidelines we can solve only one question at a time. Please repost unsolved question…

Q: a car travels 360.2 miles on 51 liters of gas, how many liters of gas will it take to go 708 miles…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.