Joe scraped his knee after falling off his skateboard, leaving a wound with an area of 291 mm^2. The surface area of the wound heals according to a continuous exponential decay model. If the surface area of the scrape reduces 11% per day, what will the surface area of the wound be after 7 days?

Q: If a snowball melts so that its surface area decreases at a rate of 2 cm2/min, find the rate (in…

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Q: Water flows simultaneously into the top of a tank at a rate of (1+ 4t) liters/minute and out of the…

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Q: The surface area of kelp near Monterrey Bay is 40,000 square acres, but after four years a red sea…

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Q: y^2.898=23.591 ,  5^-4=1/625 change the exponential equations into logarthmic ones

A: Given : y2.898 = 23.5915-4 = 1625

Q: A bacteria population grows by 10% every 3 days. Based on this, if we initially have 2,000…

A: First of all we should know that the growth is exponential so formula will be: Nd = N0ekd where N0…

Q: lab technician is using the exponential model A(t)=100e^-0.6t to measure cells in a petri dish over…

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Q: A crane lifts a block from ground level at a constant speed. After 5s the block slips from its…

A: We know          V2-u2=2a 8where v - velocity            u - initial velocity            s -…

Q: A company plans to phase out one model of its product and replace it with a new model. An…

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Q: Water is flowing out of a water tower so that after t minutes ther are 10,000-10t-t^3 gallons…

A: Given that the volume of water flowing out  V(t)=10000−10t−t3

Q: A man found a tin can on an eroded cliff edge that had 78% of its crbon-18 remaining. Carbon 18 has…

A: Half life of a material is the time required to reduce its amount to half of its initial quantity.…

Q: A sample of 300g of lead-210 decays to polonium-210 and is described by the equation y=300e^-0.032t,…

A: Solution:

Q: A battery life begins are 2 years, after 194 days it only has 9 months left, it continues to drain…

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Q: Dr. Bertha has done research that suggests that the rate at which the body eliminates a drug (in…

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Q: A population numbers 17,000 organisms initially and grows by 14.6% each year. Suppose P represents…

A: Our model function is P = abt, a is the initial number of population which is 17000 and b is (1+r).…

Q: A population has SS = 100 and s ^ 2 = 5 5. How many scores are in the population?

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Q: The area of a rectangle of side lengths L cm and L + 4 cm is increasing at a rate of 30 cm^2s−1.…

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Q: uppose that the population in a small city is 65,000 in the beginning of 2009and the city council…

A: Given that  in the beginning of 2009  the population in a small city is 65,000…

Q: A man standing on a cliff 200 meters high drops a stone. How long does the stone remain in the air?…

A: Initial velocity of the stone, u=0 Height, h=200   Use the second equation of motion,…

Q: A typical pH value for rain or snow in the northeastern United States is about 4.2. Is this basic or…

A: Given that the pH of snow or rain is 4.0

Q: the amount of drug in a person’s bloodstream can be modeled by an exponential decay function.…

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Q: fter t days, the amount of an isotope in a sample A (t) = 35e^-0.029t micrograms. How much was…

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Q: You can assume that an ice cube melts always retains its shape, at a rate of (1/4 pulg^ 3) / min.…

A: Let the side of the cube of the cube is “a” pulg. Surface area of the cube is 6a2 and Volume is…

Q: suppose that k=0.2hr^-1 and that the smallest effective concentration is 0.04mg/ml.A single dose…

A: We know that for decaying material  we have Rt=R0e-kt where Rt is concentration at time t and R0 is…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.