Ecology The number N of trees of a given speciesper acre is approximated by the modelN = 3500(10−0.12x), 3 ≤ x ≤ 30where x is the average diameter of the trees (ininches) 4.5 feet above the ground. Use the model toapproximate the average diameter of the trees in a testplot when N = 22.

Q: Pharmaceuticals When a certain drug is taken orally,the concentration of the drug in the patient’s…

A: We have, when a certain drug is taken orally, the concentration of the drug in the patient's…

Q: (メーa)? %3D

A: Solution

Q: The doubling period of a baterial population is 15 minutes. At time t = 40 minutes, the baterial…

A:

Q: Depreciation An $828,000 building is depreciatedfor tax purposes by its owner using the…

A: Given a building of $828,000 is depreciated for tax purposes by its owner using the straight-line…

Q: Geometry A cylindrical aluminum can is being constructed to have a height h of 4 inches. If the can…

A: Given that a cylinder is being constructed to have a height “h” of 4 inches and volume of the…

Q: given species 84. Ecology The number N of trees of a per acre is approximated by the model N =…

A: The number of tress of a given species per acre is approximated by the model as: N=3500(10-0.12x)…

Q: 69. Optimizing revenue. An artist sells y sculptures when the price of each sculpture is x dollars,…

A: Solve for both part

Q: 3. A bowl of newly cooked porridge has a temperature of 75°C and is placed in a room that has a…

A:

Q: speed (km / h) 52 54 54 71 42 51 51 67 54 po 46 54 63 55 braking distance 69 75 74 126 48 69 66 115…

A: Given data is  Here, x denotes speed (km/h) y denotes braking distance (m) We need to find the…

Q: Expenditure of a family on 3 times are in the ratio of 2:5:3. The prices of these commodities rise…

A:

Q: Find the quartic function that is the best fit for the data in the table below. Report the model…

A:

Q: A field is shaped like a diagram below. It is a rectangle with semicircles at two ends. There is a…

A:

Q: Solar Power More and more businesses and homeowners are installing solar panels on their roofs to…

A:

Q: a. A hose is used to fill up a 1,200 gallon water truck. Water flows from the hose at a constant…

A: Given data: The capacity of truck is Q=1200 gallon. After x1=10 min water in the truck is y1=65…

Q: USA Um V. Tomas and Patterns 4. The maximum heart rate is the highest heart rate achieved during…

A:

Q: China’s Shale-Natural Gas The estimated annualproduction of shale-natural gas in China for the…

A: Given model is y=0.01311.725x Where 'x' is number of years after 2010.

Q: Solve the problem. During a recession, Congress decides to stimulate the economy by providing funds…

A:

Q: Projectiles Two projectiles are fired into the air overa lake, with the height of the first…

A: Given: Two projectiles are fired into the air over a lake, with the height of the first projectile…

Q: noon, a large pool contains only 26 gallons of water. A hose is set up so that the pool is filled at…

A: Introduction: We use the term "Rate" to describe the comparison and ratio of two separate…

Q: 53. Owlet talons Let L(t) equal the average length (in mm) of the middle talon on an Indian spotted…

A: Answer is mentioned below

Q: Explain linear, nonlinear and quadratic régressión. Explain the characteristics of sum of squared…

A: Note: Hi there! Thank you for posting the question. As your question has 2 different questions, we…

Q: A physicist wants to estimate the rate of emissions of alpha particles from a certain source. He…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: A 1000 L tank contains 500 L of water with a salt concentration of 10 g/L. Water with a salt…

A: Find the limiting salt concentration.

Q: 7. Physics: A baseball is thrown directly upward with initial velocity of 75 ft/sec from an initial…

A: Hey, since there are multiple sub-parts posted, we will answer first three sub-parts. If you want…

Q: 12. Polluted water flows into a pond. The concentration of pollutant, A in the pond at time t…

A: To solve the equation we will put the value of c(t) = 6 in part (a) and in part (b) we wil see the…

Q: At time t = 0 seconds, a diver jumps from a platform diving board that is 32 feet above the water.…

A:

Q: Essential Question When would you use powers of 10 to estimate a quantity? 1.

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: (a) Estimate R'(2). Show the work that leads to your answer. Indicate units of measure.

A: according to question,  at t=1  , R(1)=1190 at t=3,    R(3)=950

Q: A canister is dropped from a helicopter 500 meters above the ground. Its parachute does not open,…

A:

Q: A car is driving away from a stop sign. The formula d = t² + 3t expresses the car's distance from…

A: The formula for the distance is given by    d=t2+3t The distance covered by car at time t=1…

Q: Test marketing for a new health-food snack product in a selected area suggests that sales…

A:

Q: The vertical distance from the ground, in feet, of a point on a wheel as it rotates is given by…

A:

Q: An object has been thrown straight up into the air. The formula h = vt - 16t2 gives the height h of…

A: Here we will find the time,

Q: A tank initially contains 70 gal of pure water. Brine containing 2 lb of salt per gallon enters the…

A:

Q: c. The preindustrial concentration of atmospheric gas was 280 parts per million. Use the model from…

A:

Q: Different strains of a virus survive in the air for different time periods. For a strain that…

A: Here, given that N=h(t) be the number of people infected (in thousands) at time t minutes. h(t) is…

Q: A ball is thrown vertically upward from the top of a building 64 feet tall with an initial velocity…

A:

Q: 48. Some antique furniture increased very rapidly in price over the past decade. For example, the…

A:

Q: Using the model for California's population growth since 2000 (x=0), f(x) = 33.8(1.014)*, where f(x)…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Cutting Timber. A stand of fir trees occupies 60 acres, with an average density of 200 trees per 20…

A: Given that, The stand of fir trees occupies in: 60 acres. Average density in the stand: 200 trees…

Q: AVERAGE COST The cost of producing x units of a new product is C(x) = 3xVx + 10 hundred dollars.…

A:

Q: The number V of computers infected by a computer virus increases according to the model V) -…

A: Given data:   The expression for the number of computers infected by the virus increases with time…

Q: Solution Containing 2g/L flows into container at the rate 4L/min Container contains 8L of Water With…

A:

Q: A hot air balloon pilot raises a balloon 200 m from the ground, turns of and allows the balloon to…

A:

Q: Solution Containing 2g/L flows into container at the rate 4L/min Container contains 8L of Water With…

A:

Q: Method go gomli. 10 gallons. A solution of 1 pound of sugar per 5 gallons is added at a rate of 2…

A: The working principle for such problems is  Rate of change of sugar in tank=Inflow rate of…

Q: ple plot A modern window has the shape of a rectangle topped by an equilateral triangle as shown in…

A: For the solution follow the next steps.

Q: the windmill. Find the proportion x that maximized the proportion of the wind's energy function on…

A:

Q: metal plate that measures 10m x 15m sits at the bottom of a lake, lying horizontally, at a depth of…

A: Solve the problem with the given conditions in equation