A desalinization process is eliminating 20% of the salt from seawater every 10 minutes. There are initially 450 g of salt in 10 liters of water. Find an exponential function for A, the grams of salt in the 10 liters of seawater t minutes after the process has begun. A= ? Use the model to predict the amount of salt (in grams) in the seawater after 35 minutes. Round to the nearest whole number. Which is 206 g

Q: A certain isotope has a mass of 50 grams. It’s half life is 100 days. Write the equation that will…

A:

Q: 350 mg of aspirin is taken by a patient who has a severe headache due to a migraine. Suppose that…

A: Solution:      Given              350mg of aspirin is taken,                 half life =15 min    we…

Q: A new car that sells for $18,000 depreciates 17% each year. How many years until the car is worth…

A: Given: New car value =$18,000 Depreciates rate=17%

Q: antity of U-232 remains after 30 yea

A: The quantity remains after 30 years is 75%. It is given that AA0=0.75 , t=30 years. The equation…

Q: After administration of a dose, the concentration of a drug decreases by 50% in 30 h. How long does…

A:

Q: Find the length (in ft) of a pendulum that makes one swing in 7 s. The equation for the time of one…

A:

Q: %3D 132 5. MZDHG = %3D 4. MZGHF = E. D.

A: We need to find two angles m∠GHF and m∠DHG Given that m∠FHE = 59°

Q: Find the time (to the nearest year) for 100g of krypton to decay to 50g of krypton if r = -0.0635.…

A:

Q: The half life of a radioactive sample is 50 days. How much of a 800 mg sample remain after 1 year?…

A:

Q: Angelina takes a 375 mg aspirin for her headache. The amount of aspirin remaining in her system…

A: Given- Vivian takes a 375 mg aspirin for her headache and the amount of the aspirin decrease…

Q: An investment earns 4% per year and is worth $10,000 after 7 years. PV =

A: The objective of this question is to calculate the present value (PV) of an investment that earns a…

Q: A beach towel loses 2mg with each wash-and-dry cycle. The product 5(-2) represents change in the…

A: The given data is: A beach towel loses 2mg with each wash-and-dry cycle The product 5(-2) represents…

Q: A country has a population of around 100 million people. It is estimated that the population will…

A: Given that , y=abt and a=100 find the value of b.

Q: A wolf population is growing at a rate of 9.3% per year. Find the time at which the wolf population…

A:

Q: Solve for x. 16.3 (4) = 78.7 x = 1.033 BT = 1.097 9x = 2.880 Dr= 3.042

A: Solve for x

Q: Is use beats per minu

A: Given : THR=RHR+0.5(MHR-RHR) To find : THR when RHR=48

Q: The population of a village grows at the rate of 8% per year, Determine how long it will take to…

A: Given: Rate = 8 %  When double the initial population.

Q: Tank A initially contained 124 liters of water. It is then filled with more water, at a constant…

A: Suppose that tank A contains y liters of water after t minutes. Since tank A initially contained 124…