A pan of warm water (46°C), is placed into a refrigerator. Ten minutes later the waters temperature is 39°C, after another 10 minutes the temperature is 33°C. How cold was the refrigerator?

Q: At 12:00NN, a thermometer reading 50 degrees Celsius is taken outside where the temperature is 30…

A: Given the data:

Q: From a table inside a room with current temperature of 35 degrees Celsius, a left over Fried Chicken…

A: For thsi problem we use the Newton's Law of cooling:T-Tr=(T0-Tr)e-ktNotice that hereT=temperature at…

Q: Finn is 24 years old now. Finn is twice as old as Jake was when Finn was as old as Jake is now. How…

A: We have to find Jake age

Q: A marble bust is 25 years old, and a terra-cotta bust is 85 years old. In howmany years will the…

A: given A marble bust is 25 years old, and a terra-cotta bust is 85 years old

Q: To get a B in​ math, Alexandria Pappas must average 80 on five tests. Scores on the first four tests…

A: Let us consider the n observations  say x1,x2,x3,.....,xn Then the average of the observation is…

Q: 7 apples cost $1.26.  At this rate, how much would 56 apples cost?

A:

Q: When driving 9 hours trip home, Sharon drove 390 miles on the interstate and 150 miles on country…

A:

Q: To get a B in math, Alexandria Pappas must average 80 on five tests. Scores on the first four tests…

A:

Q: A nurse mixes 40cc of a 70% saline solution with a 10% saline solution to produce a 42% saline…

A: A nurse mixes 40cc of a 70% saline solution with a 10% saline solution to produce a 42% saline…

Q: In a class experiment, a student needs 5 Liters of 6% solution. He found a 4% and a 10% solution in…

A: Let a=Volume in liters of 4% solutionand b=Volume in liters of 10% solution.Therefore, a+b=5⇒b=5-a

Q: . What difference in temperature does a person who passes the conservation chamber from vegetables,…

A:

Q: stephanie is twenty-four. She is twice as old as martha was when stephanie was as old as martha. How…

A:

Q: Paula was swimming laps in her new pool. She knew that the pool was 214 inches around, but if she…

A: Topic = Circle

Q: To make a "jasper green" shade of paint, mix 4 quarts of green paint with cups of black paint. How…

A: Given: 4 quarts ofgreen paint mixed with 2/3 cups of black to get jasper green shade how much of…

Q: Mr. Jones can grade 16 tests in 4 minutes. How many tests can he grade in one minute? Is he able to…

A:

Q: Mitch mixes 5 parts white paint to 8 parts blue paint. If he has 2 qt of white paint, how much blue…

A:

Q: One canned juice drink is 20% orange juice; another is 5% orange juice.  How many liters of each…

A:

Q: From midnight to 2:00 am, the temperature rose 1.15°C each hour. If the temperature at 2:00 am was…

A: Given , From midnight to 2:00 am temperature is rising at the rate of 1.15oC per hour .…

Q: In a class of 24 students, 23 exams are graded. The average for the class was 85. What would the…

A: Given, Class contain 24 in which 23 have already graded. The average of these 23 students was 85.

Q: When Barry was traveling in Europe, he noticed that the temperature said 31°C, but wasn't sure of…

A:

Q: It took a crew 4 h 48 min to row 10.8 km upstream and back again. If the rate of flow of the stream…

A:

Q: Samuel headed north at 6 mile per hour at noon. At 3 pm, Rachael headed south from the same place at…

A: We have to find

Q: The temperature at 10:00 a.m. was -3•f and increased 2.25•f each hour for the next five hours. What…

A: topic:-Basic maths

Q: The temperature at the Winter Olympics was a frigid 14 degrees below zero in the morning, but by…

A: Temperature at noon

Q: After taking several practice tests, Brian improved the results of his GRE test by 30%. Given that…

A:

Q: The temperature at 2:00 p.m. is 27 degrees. At 2:00 a.m., the temperature had fallen to -4 degrees.…

A: Given, the temperature at 2:00 p.m. is 27 degrees and at 2:00 a.m., the temperature had fallen to -4…

Q: A frog is in a well 12 feet deep, each day the frog climbs up 3 feet, and each night it slips back 2…

A: Depth of well = 12 feet To calculate: Number of days required by frog to get out of the well  Given:…

Q: John needs eight or more tubes to flash for a special effect. If John wants to be 99% confident that…

A: Given information: P(Successful ignition) = 0.88 (Parent question) x = 8 P(x > 8) = 0.99

Q: The engine of an armored personnel carrier returning from an exercise, its temperature, which is 100…

A: Given :- The engine of an armored personnel carrier returning from an exercise, its temperature,…

Q: At the beginning of a science experiment, the temperature of Darnell's saltwater solution was –2°C.…

A: Please see the below explanation:

Q: Ramon is 5 feet tall while Carlo is 5 feet and 10 inches tall. If Ramon casts a shadow of 6 feet 6…

A:

Q: Melissa is four times as old as Jim. Pat is 5 years older than Melissa. If Jim is y years old, how…

A: Given

Q: Grandfather wants to give his 441 olive trees to his 18 sons and grandsons so that every son gets 5…

A: Given: Grandfather wants to give the number of trees 441,

Q: nurse mixes 60cc of a 70% saline solution with a 10% solution to produce a 22% saline solution.how…

A:

Q: Maria is 36 years old. Maria was twice as old as Adrian was when Maria was as old as Adrian is now.…

A: Given that Maria is 36 years old. Also, Maria was twice as old as Adrian was when Maria was as old…

Q: The value of the dimes and quarters was $5.75, and there were 5 more dimes than quarters. How many…

A: We will solve the problem

Q: Jotham needs 70 liters of a 50% alcohol solution. He has a 30% solution and an 80% solution…

A: Total liters=70 Types of solutions= 30%, and 80%

Q: One canned juice drink is 30% orange juice; another is 5% orange juice. How many liters of each…

A:

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: A mountain is 17,886 feet above sea level, and a valley is 296 feet below sea level. What is the…

A:

Q: 3) Ming drove to the lake and back. On the trip there she drove 30 km/h and on the return trip she…

A:

Q: A mountain is 18,541 feet above sea level, and a valley is 342 feet below sea level. What is the…

A: 16 Given that a mountain is 18,541 feet above sea level and a valley is 342 feet below sea level. We…

Q: A roast turkey is taken from an oven when its temperature has reached 190 degrees Fahrenheit and is…

A: This is a problem with Newton's law of cooling.

Q: The Clown fish at the zoo requires the 434 gallon tank to be 8% salt. After a period of time, some…

A:

Q: At the beginning of a science experiment, the temperature of Darnell's saltwater solution was 2°C.…

A: Given : Initial temprature = -2°ccharge in temprature = -5°cTo find:Final temprature, F

Q: One solution was 10% glycol and another was 40% glycol. How much of each should be used to get 800…

A:

Q: Blake answered 2/3 of the questions on his quiz correctly. If he answered 22 questions correctly,…

A: We are given that Blake answered 2/3 of the questions on his quiz correctly.  Let us assume that x…

Q: temperature at a mountain resort was a frigid 8 degrees below zero in the morning, but by noon it…

A: Given query is to find the temperature in the noon.

Q: A 16 -inch laptop has a screen that is 7 inches tall. How wide is the screen?

A:

Q: Pedro and Petra went to fetch a pail of water from a well. Pedro had a 3 gal pail while Petra had a…

A: Many word problems can be solved by understanding the problem and then finding a plan, like tables,…