Substance A decomposes at a rate proportional to the amount of A present. It is found that 12 lb of A will reduce to 6 lb in 4.8 hr. After how long will there be only 1 lb left? (Do not round until the final answer. Then round to the nearest whole number as needed.)

Q: find area between t =- 1.5 and t = 1.5  take df = 17

A: We have to find out given area between -1.5 and 1.5

Q: How much 15% solder must be added to 25% solder to produce 30.0 g of 18% solder? In a race, car 1…

A: For part 1 of question   let amount of solder be x so according to the statement  15% of x + 25% of…

Q: While John was on a hike, he filled his cylinder canteen, that was 10 in. tall and 6 in. in diameter…

A: Given that the canteen is 10 in. tall and 6 in. diameter. Since John filled the canteen, the initial…

Q: R=KL where R-resistance in ohms L-length in feet d= diameter in mils K-10.8(constant)

A: The given formula for the resistance is

Q: The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced…

A: Topic = Algebra

Q: (4V 2x Va) dæl 3

A: The given integral is ∫ 4x3-2xxdx.

Q: ng (2min) E Opportunity 4 m 5.2 m Perimeter = 1 m Area = 2 m²

A: For any query with the solution, please ask in the comment box.

Q: A ladder 25 feet long is leaning against a wall of a house. The base of the ladder is pulled away…

A:

Q: Suppose you are a pharmacist and a customer asks you thefollowing question. His child is to receive…

A: Given: Total nausea medicine received by child=13.5 mlTotal time period=54 hours To Find: The amount…

Q: The area z =-2.18 and z 1.42 is

A: We have to fine The area z =-2.18 and z 1.42 is

Q: A tank initially holds 100 gallons of a brine solution containing 1 lb. of salt. At t = 0 another…

A: The solution for question based on differential equation is solved below

Q: find area to the left of t=2.12 with df=45

A: we have to find area to the left of t=2.12 with df=45.

Q: A light shines on top of a lamp post 30 feet above the ground located in front of the C building. A…

A: Use similarity of triangles

Q: SET EACH EQUATION OR N 1. 17 8. 4 15

A:

Q: numerically equal. (A) 1/8t in. (B 1/4T in. 2πin. D T? in.

A: We will find the radius.

Q: At 1800 hours an IV is infusing at a rate of 10 gtt/min. How much can you expect the patient to…

A: The drop factor is the term that defines the number of drops of an infusion that constitutes 1 mL.…

Q: Evaluate A (z 2") by parts.

A: Solution:

Q: A shed roof has a horizontal run of thirty six feet and rises vertically 13 feet. The pitch of that…

A:

Q: find dy/dn in5 フx 34+2

A: Since you have posted multiple question We solve only first question  for reaming question post…

Q: A typical glass of wine contains about 22 grams of alcohol. Consider a 109-pound woman, with…

A: one glass of wine contains 22 grams of alcohol and she drinks 2 glasses of wine so, total alcohol…

Q: The half life of uranium is 80 hrs.Initially,a sample has 200g. How much of it left at 60hours?

A: The half life of uranium is  t12 = 80 hrs Initial mass of the sample is M0 = 200 g To evaluate: The…

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.