At 9 A.M., a thermometer reading 70F is taken outdoors where the temperature is 15F. At 9:05 A.M., the thermometer reading is 45F. Find the general solution.

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A: Given the data:

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A: 25 %  alcohol mixture means,  100 ml  of solution contains  25 ml  of alcoholso  585 ml  of solution…

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Q: 19. 50 40

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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

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A: This question is related to differrential equations, We will solve it using given information.

Q: e his

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Q: You need a 45% alcohol solution. On hand, you have a 495 mL of a 40% alcohol mixture. How much pure…

A: Let's find.

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A: We can express concentration as amount of solute/volume of solution i,e, c = n/v or, n = c × v

Q: It is 6:05pm and Eduardo is driving to Dallas. If he is 157 miles away and driving at an average…

A: We can solve the problem by calculating the time.

Q: The other day, we made green water by mixing 5 ml of blue water with 15 ml of yellow water.

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Q: On a cold winter day in Denver, the morning temperature was 13° Fahrenheit. By noon it had fallen…

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A: topic:-Basic maths

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

A: Temperature at noon

Q: You need a 75% alcohol solution. On hand, you have a 150 mL of a 70% alcohol mixture. You also have…

A: Let x is the amount of the 85% mixture and we have 150 ml of a 70% alcohol mixture So,    85% of x +…

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

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Q: You need a 55% alcohol solution. On hand, you have a 440 mL of a 25% alcohol mixture. You also have…

A: We know that, 25% alcohol mixture means, 100ml of solution contain  25ml of alcohol, so 440 ml of…

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: You'need a 55% alcohol solution. On hand, you have a 120 mL of a 50% alcohol mixture. You also have…

A: Needed amount of alcohol solution =55%

Q: SE Solution:NO 5) y = -4x + 1 m = y = 2x – 5 m =

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Q: A chemist needs to stengthen a 25% solution with a 60% solution to obtain a 30% solution. How much…

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Q: You need a 50% alcohol solution. On hand, you have a 420 mL of a 5% alcohol mixture. You also have…

A: Consider,  You will need x mL of the 85% solution. Then, we have to find the value of x.

Q: Ron traveled 6.8 miles of his delivery route in 1.2 hours. At this same rate, which of the following…

A: STEP :1  Here Ron travelled 6.8 miles in 1.2 hours.  Now we need to find the time  required for Ron…

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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…

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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: You need a 70% alcohol solution. On hand, you have a 120 mL of a 55% alcohol mixture. You also have…

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

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Q: You need a 50% alcohol solution. On hand, you have a 500 mL of a 95% alcohol mixture. How much pure…

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Q: Kagura stayed at Figaro and ordered a cup of Frappuccino. When the coffee was served at around 8:15…

A: The given information can be described in the table below: Time Temperature °C 8:15 PM 75…

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Q: Dennis went cross-country skiing for 6 hours on Saturday. He skied 20 miles uphill and then 20 miles…

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Q: Armond has two solutions available in the laboratory, one with 5% alcohol and another with 13%…

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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.

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Q: Mr. Jones has $19,000 to invest. He invests part at 7% and the rest at 8%. If he earns $1,410 in…

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