The strength of concrete grows to a max value of 78 mpa. If the rate of...
The strength of concrete grows to a max value of 78 mpa. If the rate of growth is 10.5% per month, how many months will it take to reach 60 mpa? Write the wuation for strength in this model.
Initial value = 0
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The strength of concrete grows to a max value of 78
mpa. If the rate of...
As it dries, the compressive strength of a certain concrete grows to a maximum value of 78 Mpa
As it dries, the compressive strength of a certain concrete grows to a maximum value of 78 Mpa. If the rate of growth is 10.5% per month, in how many months will the concrete reach 60 Mpa? Write the equation for the strenght for this model.
plz fast answers for both Question Completion Status: 1 2 3 4 5 8 9 10...
plz fast answers for both
Question Completion Status: 1 2 3 4 5 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 QUESTION 21 A bacterial culture grows exponentiall at a rate of 6.4% per hour. If the culture present total is at 250,000 cultures. What was the initial amount 10 hours ago. Write the equation for the amount of cultures using the initial amount TT TT Paragraph Arial 3 (12pt) T Q T...
1. If the world population grows at a constant rate of 1.8% per annum, how many...
1. If the world population grows at a constant rate of 1.8% per annum, how many years will it take to double? A) 17.7 years B) 23.4 years C) 35.0 years D) 38.8 years E) 69.7 years 2. A group of humans traveling in space discover a habitable planet. They settle down there and start populating it. Their population grows at a steady rate and doubles every 10 years. Thousand years after the first group of humans arrived, the planet...
Write and equation for each then solve: For a period of time, an island's population 1) grows at a rate proportiona...
Write and equation for each then solve: For a period of time, an island's population 1) grows at a rate proportional to its population. If the growth rate is 3.8% per year and the current population is 1543, what will the population be 5.2 years from now? 2) A savings account balance is compounded continuously. If the interest rate is 3.1% per year and the current balance is S1077.00, in how many years will the balance reach $1486.73?
Write and...
2. An investment of $7,000 grows at an annual rate of 4.2% per year. (a) [5]...
2. An investment of $7,000 grows at an annual rate of 4.2% per year. (a) [5] Write an equation relating V, the value, to t, the number of years invested. (b) [5] What will the investment be worth 5 years? (c) [5] Calculatek, the continuous growth rate. (d) [10] Calculate the time it takes to double the initial investment. (e) [10] Calculate the average rate of change in the value of the investment between years t = 0 and t...
Human hair grows at about 0.5 inches per month. (a) What is this growth rate in...
Human hair grows at about 0.5 inches per month. (a) What is this growth rate in nm/s? (b) Typical interatomic spacing in a molecule is ~0.1 nm. Approximately how many layers of atoms are added per day as a hair is growing?
saved Country- Value (thousands of dollars) Initial Value ($50 - $10,000) 1,300.00 Growth Rate: 2.3% 0.1%...
saved Country- Value (thousands of dollars) Initial Value ($50 - $10,000) 1,300.00 Growth Rate: 2.3% 0.1% 10.0% Country-Y Initial Value ($50 - $10,000) 6,700.00 im N Growth Rate: 0.6% 0.1% 10.0% CALCULATIONS 0 5 10 15 20 25 30 35 40 Years Value in Country-X 10 years Country-Y $7,113.03 $7,551.52 $8,017.04 $1,631.92 $2,048.59 $2,571.65 20 years - Country-X --- Country-Y 30 years < Prev 21 of 22 Next > re to search OBI - Ô e o a e w...
5. An investment of $5,000 grows at a rate of 5.25% per year. (a) [5] Write...
5. An investment of $5,000 grows at a rate of 5.25% per year. (a) [5] Write an equation relating V, the value, to t, the number of years invested. (b) [5] What will the investment be worth 4 years? (c) [5] Calculate k, the continuous growth rate. (d) [5] Calculate the time it takes to double the initial investment.
dP Consider a rabbit population Pit) satisfying the logistic equation aP-bP, where B-aP is the time...
dP Consider a rabbit population Pit) satisfying the logistic equation aP-bP, where B-aP is the time rate at which births occur and D bP is the rate at which deaths occur. If the initial population is 220 rabbits and there are 6 deaths per month occurring at time t 0, how many months does it take for P(t) to reach 115 % of the limiting population M? births per month and months (Type an integer or decimal rounded to two...
Population growth problems BIDE model: No.1 N, +(B + 1) - ( D Rates: b =...
Population growth problems BIDE model: No.1 N, +(B + 1) - ( D Rates: b = B/N; d = D/N: E) Net growth rate: R = b-d Exponential growth (discrete): N, NR* where R = 1+b-d Intrinsic rate of increase: r = InR Exponential growth (continuous): N:Noe -or-dN/dt = IN Logistic growth 1. Suppose a species of fish in a lake is modeled by a logistic population model with relative growth rate ofr 0.3 per year and carrying capacity of...
plz fast answers for both
Question Completion Status: 1 2 3 4 5 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 QUESTION 21 A bacterial culture grows exponentiall at a rate of 6.4% per hour. If the culture present total is at 250,000 cultures. What was the initial amount 10 hours ago. Write the equation for the amount of cultures using the initial amount TT TT Paragraph Arial 3 (12pt) T Q T...
Write and equation for each then solve: For a period of time, an island's population 1) grows at a rate proportional to its population. If the growth rate is 3.8% per year and the current population is 1543, what will the population be 5.2 years from now? 2) A savings account balance is compounded continuously. If the interest rate is 3.1% per year and the current balance is S1077.00, in how many years will the balance reach $1486.73?
Write and...
2. An investment of $7,000 grows at an annual rate of 4.2% per year. (a) [5] Write an equation relating V, the value, to t, the number of years invested. (b) [5] What will the investment be worth 5 years? (c) [5] Calculatek, the continuous growth rate. (d) [10] Calculate the time it takes to double the initial investment. (e) [10] Calculate the average rate of change in the value of the investment between years t = 0 and t...
saved Country- Value (thousands of dollars) Initial Value ($50 - $10,000) 1,300.00 Growth Rate: 2.3% 0.1% 10.0% Country-Y Initial Value ($50 - $10,000) 6,700.00 im N Growth Rate: 0.6% 0.1% 10.0% CALCULATIONS 0 5 10 15 20 25 30 35 40 Years Value in Country-X 10 years Country-Y $7,113.03 $7,551.52 $8,017.04 $1,631.92 $2,048.59 $2,571.65 20 years - Country-X --- Country-Y 30 years < Prev 21 of 22 Next > re to search OBI - Ô e o a e w...
5. An investment of $5,000 grows at a rate of 5.25% per year. (a) [5] Write an equation relating V, the value, to t, the number of years invested. (b) [5] What will the investment be worth 4 years? (c) [5] Calculate k, the continuous growth rate. (d) [5] Calculate the time it takes to double the initial investment.
dP Consider a rabbit population Pit) satisfying the logistic equation aP-bP, where B-aP is the time rate at which births occur and D bP is the rate at which deaths occur. If the initial population is 220 rabbits and there are 6 deaths per month occurring at time t 0, how many months does it take for P(t) to reach 115 % of the limiting population M? births per month and months (Type an integer or decimal rounded to two...
Population growth problems BIDE model: No.1 N, +(B + 1) - ( D Rates: b = B/N; d = D/N: E) Net growth rate: R = b-d Exponential growth (discrete): N, NR* where R = 1+b-d Intrinsic rate of increase: r = InR Exponential growth (continuous): N:Noe -or-dN/dt = IN Logistic growth 1. Suppose a species of fish in a lake is modeled by a logistic population model with relative growth rate ofr 0.3 per year and carrying capacity of...
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