A thermometer reading 70° F is placed in an oven preheated to a constant temperature. Through a glass window in the oven door, an observer records that the thermometer reads 110° F after half minute and 145° F after 1 minute. How hot is the oven?

Q: A thermometer reading 7°C is brought into a room with a constant temperature of 32°C. If the…

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Q: O The water level is rising at 2 centimeters per second.

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Q: Find a solution for sec(20+25°) = csc(30 +15°)

A: The given equation is:sec2θ+25°=csc3θ+15°We need to solve the above equation.

Q: Please provide detailed (step by step) solution.

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Q: A 360-lb gorilla climbs a tree to a height of 20 ft. Find the work done if the gorilla reaches that…

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Q: solve the given formula for inductance. then calculate the inductance for an AC circuit with…

A: Given that, the frequency is f = 4.2 kHz and the inductance reactance is  L = 457 ohm.It is known…

Q: a boat travels 30 km upstream in the same time it takes to travel 46 km downstream if the current…

A: given ,  upstream distance = 30km downstream distance = 46km rate of stream = 6kph

Q: An object at a temperature of 136°C is re- moved from a furnace and placed in a room at 17°C. The…

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Q: A thermometer is taken from an inside room to outside, where the air temperature is 6°?. After 1…

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Q: The de Broglie wavelength (in nanometer) for an electron moving with 8.658 x m/s is: 104

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Q: The diameter d of the Milky Way galaxy is estimated as 100,000 light years. Express d in miles.…

A: Light year is a unit of length which is used to measure astronomical distances.

Q: LA wheel has a diameter of 100 centimeters. If the wheel is supporting a cart moving at 45…

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Q: If the car is traveling 65 miles per hour, about how many times per second does the wheel rotate?

A: we know that 1 mile=1.609344 kmand car is travelling 65 miles =65×1.609344 km=104.60 kmthat is car…

Q: An object initially at 35°C is placed in a water bath at 100°C for sterilization purposes. After 40…

A: The Newton's Law of cooling is given by  T-Ts=T0-Tse-kT  where Ts is the temperature of the…

Q: e) Co 950 a0 32° A

A: e) In a quadrilateral ABCD    It is given:    CD=AD and AB=BC   If we draw a line BD, then this line…

Q: A bank pays an interest of 4.5% for a three month term deposit. Calculate the amount that Stokes…

A: Bank pays interest of 4.5%   we have to calculate the amount that Stokes must invest to earn an…

Q: a tree casts an 18 foot shadow at the same time a 5¼ foot person casts a 2½ foot shadow. estimate…

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Q: emperature of the object decreases from 100°C to 90°C in 10 minutes, how nuch longer will it take…

A: Given that, An object in a surrounding with constant temperature of 25° C. If the temperature of the…

Q: A thermometer is taken from an inside room to the outside, where the air temperature is 5 degrees…

A: Solution )

Q: A spy plane is cruising at an altitude of 18,250m. If the temperature at this altitude is -75C what…

A: Consider the given question,Given Altitude, H = 18,250 mTemperature, T = -75 degree Celsius = (-75 +…

Q: Anthony traveled north for 6km then moved 3km west before, and then 2km southward. What is his…

A: Distance travelled in north = 6km Then Distance travelled in west = 3km Then Distance travelled in…

Q: A man travels in a motorized boat at the rate of 12 kph from his barrio to the town and come back to…

A: The equation that describes the relation between the distance, rate, and time is Rate=DistanceTime.

Q: If the Earth's average climate warms by 1.7°C in the next 50 years, how many degrees on average will…

A: Earth warms by 1.7 c in next 50 years

Q: In black-and-white photography if one uses a red light of wavelength 649.9 nm in darkroom, its…

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Q: A certain radioactive substance has a half-life of 38 hours. Find how long it takes for 90% of the…

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Q: The current temperature is 54 °F, convert the temperature to Celsius. 12.2°C 30.7°C 40.5°C 95.1°C…

A: Formula used to convert the temperature from Fahrenheit to Celsius is: C=59F-32

Q: A motor is rated to operate at 520 volts. If the line voltage is 110%, what is the voltage connected…

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Q: 300 1044 released, what was the energy released by the 1990 earthquake in Baguio if it had a…

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Q: In ANOP, o = 48 inches, p = 19 inches and ZN=54°. Find ZP, to the nearest deg %3D

A: Make a diagram using the given information  apply cosine rule to find out the value of 'n' first

Q: Use a calculator to find a decimal approximation for each value. sec (-221°45') sec (-221°45') =O…

A: Given that: sec(-221°45')

Q: Use the freezing and boiling points of water to find a formula expressing Celsius temperature C

A: Follow the procedure given below.

Q: Use a calculator to find the value csc 1.5 to four decimal places:

A: Given that: csc1.5

Q: By noon, the temperature in Buffalo had risen by 16 °F. What was the temperature there at noon?

A: We have to answer the questions using the given table.

Q: A motor rotates at 1,627 % revolutions per second. How many revolutions will it make in 13/15 of a…

A: It is given that a motor rotates at 1,627% revolutions per second. So, the number of revolutions per…

Q: A thermometer reading 70 degree Fahrenheit is placed in an oven preheated to a constant temperature.…

A: The differential equation is dTdt=kT−Tm. ⇒dTT−Tm=kdt Integrate both sides…

Q: what is the erea of 12 m 8m?

A: If dimension is given like a unit × b unit, then it means that length is 'a' unit and width is 'b'…

Q: What is the intensity level of a lawm mower if the sound has the intensity of 0.00063 W/m^2?

A: Given  Intensity level L = 10 log(I/Io) db I = 0.00063 W/m2 = 63× 10-5 W/m2 Io =  10-12 W/m2

Q: The thickness of a book is determined by the thickness of its cover and its pages. The front and…

A: Given that  The front and back covers are each about 5mm thick . Every 25 pages adds an additional…

Q: Foghorn C sounds every 34 sec, Foghorn D every 38 sec. They sound together at noon. How many seconds…

A: WE will use the concept of LCM.

Q: From a table inside a room with current temperature of 30 degrees Celsius , a le

A: Given, from a  table inside a room with the current  temperature of 30 degrees Celsius, a leftover…

Q: Find the exact value of x. 22 1 CN

A: The given triangle is a right triangle. Therefore we can use the Pythagoras theorem here. According…

Q: At 1 PM, a thermometer reading 70° F is taken outdoor, where the air temperature is -10° F. At 1:02…

A: At 1 PM, a thermometer reading 70 F is taken outdoor, where the air temperature is -10 F. At 1:02…

Q: Solve for c: a = cb + db – e |

A: For the given question we have to bring all the terms to one side and c on the other side

Q: A whisper in a quiet library is about 30 decibels. What decibel level would be recorded by a table…

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Q: Use the formula above to find the Fahrenheit temperature equivalent to 95°C.

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Q: Two microphones, 1 mile apart, record an explosion. Microphone A receives the sound 2 seconds before…

A: Two microphones, 1 mile apart, record an explosion. Microphone A receives the sound 2 seconds before…

Q: The tires on a bicycle are 3 inches in diameter. The tires are rotating at 80 rev/minute, What is…

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Q: If a ball is thrown into the air with a velocity of 58 f'/sec , its height (in feet) af ter t…

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Q: A formula for the normal systolic blood pressure for a man age A, measured in mmHg, is given as P =…

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.