Best answer

Exponential Decay: Remember that the original exponential formula was y = abx. You will notice that in these new growth and decay functions, the b value (growth factor) has been replaced either by (1 + r) or by (1 - r). The growth "rate" (r) is determined as b = 1 + r.

**xdsarkar**Date created:

**May 26, 2022**

## How do you find the tax rate in math?

Correct answer: To find the amount of sales tax, take the difference in the total before and after tax and divide by the price before tax. This gives 0.08 or 8%.

## How do I find out the crime rate in my area?

Our Top 5 Online Neighborhood Safety ToolsCrimeReports. This map-based site shows you up-to-date data on crimes that have recently occurred in your area. ... AreaVibes. ... Family Watchdog. ... Nextdoor. ... ADT Go.

## How do you calculate growth rate with doubling time?

There's an easy way to figure out how quickly something will double when it's growing exponentially. Just divide 70 by the percent increase, and you've got the doubling time. It works in reverse, too: divide 70 by the doubling time to find the growth rate.

## How do I know my interest rate chase?

Typically, you can find your credit card APR near the end of your monthly statement. There will be a section of the statement marked "Interest Charge Calculation" or a similarly worded section. The statement section also shows you how much of your balance will be used to calculate your monthly interest charge.

## How do you calculate daily rate of pay?

Divide your annual salary by the number of days per year you work to find the daily rate. For this example, if your annual salary equals $55,900, divide $55,900 by 260 to get $215 as your daily rate.

## How do you calculate rate of return and dividend?

Divide the annual dividends paid by the price of the stock. For this example, if the stock cost you $87, divide $5.20 by $87 to find the return expressed as a decimal equals 0.05977. Multiply the return expressed as a decimal by 100 to find the percentage return based on the dividends per share.

## How do you find the rate of interest?

How to calculate interest rateStep 1: To calculate your interest rate, you need to know the interest formula I/Pt = r to get your rate. ... P = Principle amount (the money before interest)r = Interest rate in decimal.More items...•

## How do you find effective interest rate compounded continuously?

If interest is compounded continuously, you should calculate the effective interest rate using a different formula: r = e^i - 1. In this formula, r is the effective interest rate, i is the stated interest rate, and e is the constant 2.718.

## How do you find the interest rate without a rate?

Divide the amount of interest paid over the year by the current loan balance. For example, $3,996 divided by a current loan balance of $83,828 equals 0.0476. Multiply that number by 100 to get the approximate interest rate — in this case, 4.76 percent.

## How do I change my spawn rate in Minecraft?

How to adjust mob spawning ratesStop your server.On your Multicraft control panel (mc.shockbyte.com) and navigate to Files > Config Files > Bukkit.yml.In this file, you will find the following settings: ... Adjusting the settings highlighted in blue will adjust the spawn rates of your mobs.More items...

## Related Question Answers

#### Brian Bi

Professor### How do you find the rate of work done?

Power is a rate at which work is done, or energy is used. It is equal to the amount of work done divided by the time it takes to do the work. The unit of power is the Watt (W), which is equal to a Joule per second (J/s).

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Professor### How do you calculate the growth rate of E coli?

Instead of cell number, it is often more convenient to use dry cell weight per volume X as a measure of cell biomass concentration. During the exponential phase in batch we can write: dX/dt =μX where µ is the specific growth rate of the cells.

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Professor### How do you calculate rate of reaction from a graph?

If you plot a graph of [A] vs. t and draw a line tangent to the graph, then rate = ½ × |slope| of the line (rate is always a positive number). To find the instantaneous rate of reaction at a given time: Plot a graph of concentration of reactant against time of reaction.

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Professor### What is the daily rate for a painter?

How Much Do Painters Charge Per Day? You can expect to pay a pro $200 to $500 per day. Most don't usually charge a per-day, or per diem, rate. More often, you'll find they either charge a per square foot, hourly or project price.

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Professor### How do you find the rate of change per year?

Here's how you can calculate an annual rate of growth for a salary from one point in time to another.Find the percentage change in your salary. The example starts with a $40,000 salary. ... Divide one by the number of years during the period. ... Calculate the annual rate of growth. ... Convert to percentage.Jan 14, 2016

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Professional### How do you find the rate of disappearance in chemistry?

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Calculate how many hours you work at your job every week. Divide your annual pay by 52. Now you have both hours and wages for 1 week. Divide wages by hours and that is your hourly rate.

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Professional### How can you increase the rate of decomposition?

Soil temperature and moisture content are very important factors affecting decomposition rates.

At favorable moisture conditions, increasing temperature results in an exponential increase in decomposition rates (Q10 of approx 2)..

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The rate of decay is the speed at which dead matter is broken down by decomposers . The rate can be estimated by measuring changes in pH, (for example in milk), change in mass (decaying fruit and vegetables) or change in temperature (grass cuttings). Rates of decay are affected by a number of key factors.

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Professional### What is rate of radioactive decay?

Radioactive decay reactions are first-order reactions. The rate of decay, or activity, of a sample of a radioactive substance is the decrease in the number of radioactive nuclei per unit time.

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User### How do you find the rate of heat transfer?

So the rate of heat transfer to an object is equal to the thermal conductivity of the material the object is made from, multiplied by the surface area in contact, multiplied by the difference in temperature between the two objects, divided by the thickness of the material.

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User### How do you find the decay rate in half life?

1. Calculate the rate of decay constant for U-238 if its half-life is 4.468 × 109 years. Answer: If the problem is referring to the half-life, then the ratio of = 0.5 because half of the original sample has already undergone decay.

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User### How do you find the average rate of descent?

If you multiply your descent angle (1 degree) by your miles-per-minute, then add two zeros to the end (x 100), you'll have your FPM descent rate. So in this example, if you're flying at 120 knots, you're traveling 2 miles-per-minute (MPM) (120/60=2).

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User### How do you find positive rate of change?

You can calculate a rate of change by making a graph of the two quantities, and then calculating the slope of the line. If the slope of the line is positive, this means that the rate of change is also positive, and if the slope is negative, the rate of change is negative.

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User### How do you find the average rate of change between two numbers?

When you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. f(x) = x2 and f(x + h) = (x + h)2 Therefore, the slope of the secant line between any two points on this function is 2x + h.

#### Hasan A Yousef

Guest### Is rate of decay constant?

The rate of decay remains constant throughout the decay process. There are three ways to show the exponential nature of half-life.

#### Rishabh Kumar Singh

Guest### How do you find the discount rate in DCF?

Discount Rate (r) For business valuation purposes, the discount rate is typically a firm's Weighted Average Cost of Capital. The WACC formula is = (E/V x Re) + ((D/V x Rd) x (1-T)).

#### zeekay

Guest### How do you find the evaporation rate of a liquid?

Surface area and temperature: The rate of evaporation of liquids varies directly with temperature. With the increase in the temperature, fraction of molecules having sufficient kinetic energy to escape out from the surface also increases. Thus with the increase in temperature rate of evaporation also increases.

#### Johnny Oshika

Guest### How do you find the rate in math?

Use the formula r = d/t.

Your rate is 24 miles divided by 2 hours, so: r = 24 miles ÷ 2 hours = 12 miles per hour.

Now let's say you rode your bike at a rate of 10 miles per hour for 4 hours..

#### leppie

Guest### How do I avoid premium rate numbers?

If you must call a premium rate number, do so from a landline if possible, as it's usually cheaper. Use Say No To 0870 to find alternative numbers to call. You can even make requests for numbers in their forum. Some phone providers offer packages that include calls to premium rate numbers in the price.

#### coreyward

Guest### How do you calculate the average rate of change?

If we use only the beginning and ending data, we would be finding the average rate of change over the specified period of time.

To find the average rate of change, we divide the change in the output value by the change in the input value..

#### Eranga Heshan

Guest### How do you solve unit rate word problems?

To find the unit rate, divide the numerator and denominator of the given rate by the denominator of the given rate. So in this case, divide the numerator and denominator of 70/5 by 5, to get 14/1, or 14 students per class, which is the unit rate.

#### Aaron Stuyvenberg

Guest### How do you find the annual rate of simple interest?

Simple Interest Formula P = Principal Amount. I = Interest Amount. r = Rate of Interest per year in decimal; r = R/100. R = Rate of Interest per year as a percent; R = r * 100.

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Guest### How do you find constant rate of change?

If the rate of change is constant, a graph of the measured quantity vs. time will be a straight line, and you can find the rate of change by calculating the slope of the line. If the rate of change is not constant, a graph of the measured quantity vs. time will be curved instead of straight.

#### oneself

Guest### How can you change the rate of radioactive decay?

The half-life of radioactive decay can also be altered by changing the state of the electrons surrounding the nucleus. In a type of radioactive decay called "electron capture", the nucleus absorbs one of the atom's electrons and combines it with a proton to make a neutron and a neutrino.

#### JBernardo

Guest### How do you find the discount rate on a Treasury bill?

**How to Calculate the Discount Yield on a Treasury Bill**

- Use the Standard Formula. Use a specific formula to figure out the discount yield on your Treasury Bill.
- Subtract the Purchase Price. Subtract the purchase price (PP) from the face value (FV) of the bill.
- Find the Discount Percentage.
- Divide by Days Remaining.
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#### Matt Ryall

Guest### Is the rate of decay constant?

The rate of decay remains constant throughout the decay process. There are three ways to show the exponential nature of half-life. Equation 11 is a constant, meaning the half-life of radioactive decay is constant. ... Often times the parent nuclei changes into a radioactive daughter nuclei which also decays.

#### rbrayb

Guest### What is the rate of decay of a radioactive isotope?

The rate of decay is often referred to as the activity of the isotope and is often measured in Curies (Ci), one curie = 3.700 x 1010 atoms that decay/second. By knowing the amount of radioisotope and the activity of the sample, the rate constant can be determined.

#### burningalc

Guest### How do you find the rate of diffusion?

rate(gas A) × √molar mass(gas A) = rate(gas B) × √molar mass(gas B) This means that the relative rate of diffusion of two gases can be used to determine their relative molecular mass (or molar mass).

#### Dietrich Epp

Guest### How do I find the average rate of change?

To find the average rate of change, we divide the change in the output value by the change in the input value.

#### daxmacrog

Guest### How do you find the appreciation rate of a house?

To calculate appreciation as a dollar amount, subtract the initial value from the final value. To calculate appreciation as a percentage, divide the change in the value by the initial value and multiply by 100. For example, say your home was worth $110,000 when you bought it, and now its fair market value is $135,000.

#### Jonathan Eunice

Guest### How do you calculate rate per 100000?

To find that rate, simply divide the number of murders by the total population of the city. To keep from using a tiny little decimal, statisticians usually multiply the result by 100,000 and give the result as the number of murders per 100,000 people.

#### rubo77

Guest### How do you find the rate in statistics?

A crime rate is calculated by dividing the number of reported crimes by the total population; the result is multiplied by 100,000. For example, in 2010 there were 58,100 robberies in California and the population was 38,826,898. This equals a robbery crime rate of 149.6 per 100,000 general population.

#### lucky1928

Guest### How do you calculate interest on a floating rate loan?

Periodic Interest Rate To figure the periodic rate, divide the annual rate by the number of payments per year. For example, if you make monthly payments on your floating credit line and the annual rate is 6 percent, divide 6 by 12 to find the monthly rate is 0.5 percent.

#### Luke

Guest### How do you find the direct labor rate variance?

Total direct labor variance = (Actual hours × Actual rate) – (Standard hours × Standard rate) or the total direct labor variance is also found by combining the direct labor rate variance and the direct labor time variance..

#### Allan

Guest### How do you calculate hourly rate for contract work?

You can find the number of hours worked by doing this simple math:52 weeks in a year x 40 hours per week = 2,080 hours.Full-time annual salary / 2,080 = contract hourly rate.(Full-time salary + burden) / 2,080 = contract hourly rate.May 29, 2019

#### Tangentially Perpendicular

Guest### How do you find the rate of appreciation?

Calculating Appreciation Rate To calculate appreciation as a dollar amount, subtract the initial value from the final value. To calculate appreciation as a percentage, divide the change in the value by the initial value and multiply by 100.

#### Serge insas

Guest### How do you calculate the rate of decay?

Divide the result from the last step by the number of time periods to find the rate of decay. In this example, you would divide -0.223143551 by 2, the number of hours, to get a rate of decay of -0.111571776. As the time unit in the example is hours, the decay rate is -0.111571776 per hour.

#### Daniel T.

Guest### What is decay rate in math?

In mathematics, exponential decay describes the process of reducing an amount by a consistent percentage rate over a period of time. It can be expressed by the formula y=a(1-b)x wherein y is the final amount, a is the original amount, b is the decay factor, and x is the amount of time that has passed.

#### Raphael Rafatpanah

Guest### How do I find the refresh rate on my Samsung TV?

Auto Motion PlusPress the Home button on your Samsung TV remote.Use the left key arrow to find “Settings”.Then press the up arrow and more the right arrow until you see “Auto Motion Plus”.You'll be able to see three options.

“Auto,” Custom,” and “Off”..

#### Cato Johnston

Guest### How do you find the mass flow rate of air in an engine?

- Volumetric Efficiency and Engine Airflow -- Volumetric Efficiency and Engine Airflow - ... 100% VE AIRFLOW (scfm) = DISPLACEMENT (ci) x RPM / 3456. ... MASS AIRFLOW (pph) = 12.6 (Pounds-per-Pound) x FUEL FLOW (pph) ... AIRFLOW (scfm) = 12.6 (ppp) x FUEL FLOW (pph) / (60 min-per-hour x 0.0765 lbs per cubic foot)More items...•

#### daydreamer

Guest### What is the rate of radioactive decay?

The rate of decay is often referred to as the activity of the isotope and is often measured in Curies (Ci), one curie = 3.700 x 1010 atoms that decay/second. By knowing the amount of radioisotope and the activity of the sample, the rate constant can be determined.

#### notionquest

Guest### How do you find ABA rate per minute?

Rate: Count the number of times the behavior occurred in the time observed. Divide the count by the length of time the behavior was observed. For example, if Anna kicked a peer 30 times in a 10 minute observation, the rate would be 3 kicks per minute (30 kicks divided by 10= 3 kicks per minute).

#### Quang Hoang

Guest### How do you find rate and unit rate?

A unit rate is a rate with 1 in the denominator.

If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by denominator..

#### John Hanley

Guest### How do you find the rate in a graph?

By definition, rate = −12Δ[A]Δt=+13Δ[B]Δt . If you plot a graph of [A] vs. t and draw a line tangent to the graph, then rate = ½ × |slope| of the line (rate is always a positive number).

#### Cabezas

Guest### How do I find my interest rate Capital One?

A: Your current APR can be found on your monthly credit card statement. If you're a Capital One customer, you can find your current APR—and determine if it's based on the prime rate—by looking at the “Interest Charge Calculation” section of your mailed or online statement.

#### Rico

Guest### How do you find the rate of change between two points?

To get the average rate of change between 2 points, plug in their coordinate values into the equation (y2-y1)/(x2-x1). The values come from the points (x1,y1) and (x2,y2).

#### Niraj Sonawane

Guest### What does decay rate mean?

Radioactive decay rates The decay rate, or activity, of a radioactive substance is characterized by: Constant quantities: The half-life—t1/2, is the time taken for the activity of a given amount of a radioactive substance to decay to half of its initial value; see List of nuclides.

#### David Schumann

Guest### How do you find the average rate of change in a graph?

The average rate of change is 6 over 1, or just 6. The y-values change 6 units every time the x-values change 1 unit, on this interval. Finding average rate of change from a graph. Function g (x) is shown in the graph at the right.

#### Sayse

Guest### How do you find the rate constant?

The reaction order helps chemists know if the concentration of reactants impacts the rate. You can determine it by adding the exponents x and y. Now, you can plug in the experimental data and solve for k, which is the rate constant relating the concentration of reactants to the reaction rate.