If the number of tolls collected varies directly as the number of vehicles and $129 was collected from 20 vehicles, how many vehicles result in the collection of $3225? Show how you arrived at your answer

The expression (a⁰) × (1/0²) when evaluated has an undefined value

The expression (a^0) × (1/0²) involves two operations: exponentiation and multiplication.

Firstly, any number raised to the power of 0 is equal to 1. Therefore, a^0 is equal to 1, no matter what the value of "a" is.

Next, the expression 1/0² involves division by 0, which is undefined. Division by 0 is undefined in mathematics because it leads to inconsistencies

Therefore, the value of the entire expression is undefined or "not a number" (NaN), since the second term involves division by 0.

In summary, the expression (a^0) × (1/0²) is undefined and cannot be evaluated.

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Answer:

The information that suits the display on a double-line graph is:Option: B and Option: C

B. number of Democrats and Republicans in the Senate during the past decade.

C. monthly sales of two different types of cars during a one-year period.

Step-by-step explanation:

A double-line graph consist of two axes.

It shows the occurrence and the categories  which are being compared over the time. i.e. it is used to compare two sets of the data.

Hence, the correct option is:

B. number of Democrats and Republicans in the Senate during the past decade.

C. Monthly sales of two different types of cars during a one-year period.

( C. Since the x-axis represent the number of months and the y-axis represent the number of cars sold.

B. Since, the decade are represented by the x-axis and the number of people are represented by y-axis )

whereas in option A the height and weight are represented by a different units.

Step-by-step explanation:

The required medians of the triangle intersect at the point [tex]\left(4,\frac{10}{3}\right)$[/tex].

The medians of a triangle intersect at a point known as the centroid. To find the centroid of a triangle, we need to find the average of the x-coordinates and the average of the y-coordinates of its vertices.

Let the vertices of the triangle be A(0,0), B(5,0), and C(7,5). Then the midpoint of AB is

[tex]\left(\frac{0+5}{2},\frac{0+0}{2}\right) = (2.5,0)$[/tex],

the midpoint of BC is [tex]\left(\frac{5+7}{2},\frac{0+5}{2}\right) = (6,2.5)$[/tex], and the midpoint of CA is

[tex]\left(\frac{0+7}{2},\frac{0+5}{2}\right) = (3.5,2.5)$[/tex]

Therefore, the centroid of the triangle is:

[tex]$\begin{align*}\left(\frac{0+5+7}{3},\frac{0+5+5}{3}\right) &= \left(\frac{12}{3},\frac{10}{3}\right) \&= \left(4,\frac{10}{3}\right)\end{align*}[/tex]

So the medians of the triangle intersect at the point [tex]\left(4,\frac{10}{3}\right)$[/tex].

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Reason:

Dividing by 11 leads to a repeating fraction, so that rules out 16/11. The decimal value 1.45 doesn't repeat and is instead a terminating decimal.

It's a bit interesting that 16/11 = 1.454545... so if we were to round it, then 16/11 is approximately 1.45; however, 16/11 is not exactly 1.45

As for 131/90, that won't work either because 9 is a factor of 90. Dividing by 9 leads to a repeating fraction.

131/90 = 1.455555...

This rounds to 1.46

-------------

Here's one way to determine what fraction is equal to 1.45

1.45 = 1.45/1

1.45 = 145/100

1.45 = (29*5)/(20*5)

1.45 = 29/20

You can use a calculator or long division to see that 29/20 converts to 1.45

[tex]3\frac{3}{4}[/tex] feet is 2.25 feet. 7.75 feet of plywood left out of 10 feet when [tex]3\frac{3}{4}[/tex] feet of plywood is cut off.

[tex]3\frac{3}{4}[/tex] feet is a mixed fraction, first we need to convert it into a fraction and then we need to find the point value of the number.

therefore [tex]3\frac{3}{4}[/tex] feet = 3 x 3 / 4

= 3 x 0.75 = 2.25 feet

now we need to find the plywood left when [tex]3\frac{3}{4}[/tex] feet is cut from 10 feet,

therefore, now that we know [tex]3\frac{3}{4}[/tex] feet is 2.25 feet we can subtract it from 10 we get:

10 - 2.25 = 7.75

therefore, we know that there is 7.75 feet of plywood left out of 10 feet when [tex]3\frac{3}{4}[/tex] feet of plywood is cut off.

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Answer:

The slope is "m"

m= -5

Step-by-step explanation:

x-- Axis interception points of x- 2x - 4x +8 ( 8 over 5, 0)

y-- Axis interception points of x - 2x - 4x +8 (8,0)

x-2x-4x+8

y=-5x+8

The average number of exclusive relationships Duke students have been in is between 2.972 and 3.428.

So, we can estimate with 90% confidence that the average number of exclusive relationships Duke students have been in is between 2.972 and 3.428.

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The two triangles in the following diagram are congruent. The proofs are mentioned below.

SSS (Side-Side-Side)

If all the three sides of one triangle are equivalent to the corresponding three sides of the second triangle, then the two triangles are said to be congruent by SSS rule.

SAS (Side-Angle-Side)

If any two sides and the angle included between the sides of one triangle are equivalent to the corresponding two sides and the angle between the sides of the second triangle, then the two triangles are said to be congruent by SAS rule.

ASA (Angle-Side- Angle)

If any two angles and the side included between the angles of one triangle are equivalent to the corresponding two angles and side included between the angles of the second triangle, then the two triangles are said to be congruent by ASA rule.

AAS (Angle-Angle-Side) [Application of ASA]

AAS stands for Angle-Angle-Side. When two angles and a non-included side of a triangle are equal to the corresponding angles and sides of another triangle, then the triangles are said to be congruent.

AAS congruence can be proved in easy steps.

RHS (Right angle- Hypotenuse-Side)

If the hypotenuse and a side of a right- angled triangle is equivalent to the hypotenuse and a side of the second right- angled triangle, then the two right triangles are said to be congruent by RHS rule.

Hence, the two triangles in the following diagram are congruent.

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2 and 2/3 divided by 6 equals 4/9.

So, 2 and 2/3 divided by 6,

we can simplify it step by step as follows:

First, we need to convert the mixed numbers 2 and 2/3 to an improper fraction:

2 and 2/3 = (2 × 3 + 2) / 3 = 8/3

Therefore, the expression becomes:

8/3 ÷ 6

To divide fractions, we need to invert the second fraction and multiply:

8/3 ÷ 6 = 8/3 × 1/6

Simplifying the multiplication of fractions:

8/3 × 1/6 = (8 × 1) / (3 × 6) = 8/18

Now, we can simplify the fraction 8/18 by dividing both the numerator and denominator by their greatest common factor, which is 2:

8/18 = (8 ÷ 2) / (18 ÷ 2) = 4/9

Therefore, 2 and 2/3 divided by 6 equals 4/9.

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The distance of road is 12 kilometres

Ratio is  shows how many times one number contains another. It is also the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity

How to determine this

When total distance = 20 kilometres

The ratio of road distance to footpath distance = 3:2

So, the total ratio = 3+2 = 5

To determine the work out of road distance

Let x represent the work out of the road distance

x =3/5 * 20

x = 60/5

x = 12 kilometres

Therefore, the distance of road is 12 kilometres

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a.  The cost of renting the gym and paying for supplies, which is $300. b. $10, c. y = 10x - 300 d. $200 e.  30 tickets f. the slope of the line is 1/6.

The slope of a line is the ratio of the change in the y-coordinate to the change in the x-coordinate. It represents the rate of change of the line. A positive slope indicates that the line is increasing, while a negative slope indicates that the line is decreasing. A slope of zero indicates that the line is horizontal.

The y-intercept is the point where the line crosses the y-axis. It represents the value of y when x is equal to zero.

Linear equations can be solved algebraically or graphically. In algebra, the goal is to isolate the variable and find its value. In graphing, the equation is plotted on a coordinate plane and the solution is the point where the line intersects with the x- or y-axis.

a. The constant in this situation is the cost of renting the gym and paying for supplies, which is $300.

b. The rate in this situation is the cost per ticket, which is $10.

c. Let x be the number of tickets sold and y be the total profit. The linear equation that represents this situation is:

y = 10x - 300

d. If Amanda sells 50 tickets, then the profit is:

y = 10(50) - 300 = $200

e. To break even, the profit must be 0. So we can set y = 0 and solve for x:

0 = 10x - 300

10x = 300

x = 30

Therefore, Amanda needs to sell 30 tickets to break even.

f. The graph of the linear equation is:

graph{y=10x-300 [-10, 50, -500, 500]}

To calculate the slope of a line that goes through points (10, 6) and (-2, 4), we can use the slope formula:

slope = (y2 - y1) / (x2 - x1)

Substituting the given values, we get:

slope = (4 - 6) / (-2 - 10) = -2 / -12 = 1/6

Therefore, the slope of the line is 1/6.

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The correct interpretations of the given quantity are C and E.

C. Your daily viewing time is greater than 90% of all Netflix users.

E. 90% of all Netflix users viewing times per day are less than your daily viewing time.

To understand the correct interpretation, we need to first understand what the 90th percentile means. It refers to the value below which 90% of the data falls.

If your daily viewing time is in the 90th percentile of all Netflix users, it means that your viewing time is greater than 90% of all users. In other words, only 10% of users watch more Netflix than you, and your viewing time is greater than the viewing time of 90% of users.

Therefore, options C and E are the correct interpretations.

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Complete Question:

Suppose the amount of time (in minutes) per day that you spend watching Netflix is in the 90th percentile of all account users. Which interpretation(s) of this quantity are correct? Select ALL that apply.

A. You spend approximately 90 minutes per day watching Netflix.

B. 90% of all viewers spend more time on Netflix per day than you.

C. Your daily viewing time is greater than 90% of all Netflix users.

D. There is a 90% probability that a randomly selected viewer spends less time than you watching Netflix per day.

E. 90% of all Netflix user viewing times per day are less than your daily viewing time.

F. 90% of all Netflix user viewing times per day are less than or equal to your daily viewing time.

The probability that the next customer will pay with cash or a credit card is: 0.90

What is the probability?

The probability that the next customer will pay with cash or a credit card is the sum of the probabilities of these two events occurring.

The probability of the next customer paying with cash is the ratio of the number of customers who paid with cash to the total number of customers:

P(cash) = 122 / (122 + 14 + 4) = 0.870

Similarly, the probability of the next customer paying with a credit card is:

P(credit card) = 4 / (122 + 14 + 4) = 0.029

Therefore, the probability that the next customer will pay with cash or a credit card is:

P(cash or credit card) = P(cash) + P(credit card) = 0.870 + 0.029 = 0.899

Rounding this to the nearest hundredth, we get:

P(cash or credit card) ≈ 0.90 (rounded to the nearest hundredth)

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Score of 62.816 is the lowest score that can be earned in the California Police Officer Standards and Training test to be eligible to be hired by the agency.

We have a normal distribution of scores for the california peace officer standards and training Let X be the random variable representing scores for the California Police Officer Standards and Training test, X ~ Normal(50, 10²).

Mean = 50

Standard deviations = 10

Let x be the lowest score that can be earned to be eligible to be hired by the agency that is x is the lowest score than can be earned to get in top 10%. Therefore, P(X > x) = 0.10

P((X- 50)/10 > (x- 50)/10) = 0.10 (converting Normal variate to Standard Normal variate)

P(Z > (x - 50)/10) = 0.10 --(1)

From the Standard Normal Distribution table, P(Z > 1.2816) = 0.10 -- (2)

From comparing the equation (1) and (2),

=> (x- 50)/10 = 1.2816

=> x-50 = 12.816

=> x = 62.816

Thus, the required lowest score is 62.816.

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Answer: 1.5

Step-by-step explanation:

Answer:

To find the explicit formula for the sequence, we need to determine the common ratio between each term.

The common ratio is found by dividing any term by the previous term. For example:

The common ratio between the second and first terms is 150/30 = 5.

The common ratio between the third and second terms is 750/150 = 5.

Since the common ratio is the same for all terms, we can use it to find any term in the sequence.

Let's call the first term a₁, and let r be the common ratio. Then we have:

a₁ = 30

a₂ = a₁ * r = 30 * 5 = 150

a₃ = a₂ * r = 150 * 5 = 750

a₄ = a₃ * r = 750 * 5 = 3750

a₅ = a₄ * r = 3750 * 5 = 18750

We can see that the explicit formula for the sequence is:

aₙ = a₁ * r^(n-1) = 30 * 5^(n-1)

Therefore, the explicit formula for the sequence is aₙ = 30 * 5^(n-1).

Answer: :)

Step-by-step explanation:

2x + x = 21

Lets x = the amount of time Lilly played

2x = 2 * x = the amount of time Paul played (2 times the amount Lilly played)

:)

Answer:

3s+7.99=71.83

Step-by-step explanation:

Matt has 6 dimes coins and 24 nickel coins.

The solution to this math problem is as follows:

Let the number of dimes be x Matt has 4 times as many nickels as dimes therefore the number of nickels is 4x. The combined value of the coins is 180 cents. We know that a nickel is worth 5 cents and a dime is worth 10 cents. Therefore we can write an equation:10x + 5(4x) = 180

Simplifying,10x + 20x = 180

30x = 180

x = 6

Therefore there are 6 dimes and 4 * 6 = 24 nickels.

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10-hole harmonicas, which can produce a wider range of notes and are more commonly used in professional music settings.

An equation is a statement that expresses the equality of two mathematical expressions using mathematical symbols such as variables, numbers, and mathematical operations. The equality is represented by an equal sign "=" between the two expressions. Equations are used to represent mathematical relationships and solve problems in various fields such as physics, chemistry, engineering, and economics.

Given by the question.

The terms "6 holes and 1/2" and "10 holes" are often used to refer to harmonicas, which are small wind instruments that produce sounds when air is blown into or drawn out of them.

The main difference between a 6-hole harmonica and a 10-hole harmonica is the number of holes on the instrument. As the name suggests, a 6-hole harmonica has 6 holes, while a 10-hole harmonica has 10 holes.

In addition to the number of holes, the two types of harmonicas may also differ in their size, range, and the specific notes that they can produce. 6-hole harmonicas are typically smaller and produce a more limited range of notes compared

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Answer:

a. The triangular prism has 5 faces, 9 vertices, and 12 edges.

b. To find the volume of the packaging, we need to multiply the area of the base (an equilateral triangle) by the height of the prism.

The area of an equilateral triangle with side length 3.6 cm is given by:

$A = \frac{\sqrt{3}}{4} s^2 = \frac{\sqrt{3}}{4}(3.6\text{ cm})^2 \approx 5.270\text{ cm}^2$

So, the volume of the Toblerone packaging is:

$V = Ah = (5.270\text{ cm}^2)(21\text{ cm}) \approx 110.59\text{ cm}^3$

Therefore, the volume of the Toblerone packaging is approximately 110.59 cubic centimeters.

In triangle ABC as per given measurements the measure side length BC is equal to 7.26cm (Rounding to three significant figures).

In triangle ABC,

Measure of angle A = 36 degrees

Measure of angle B = 90 degrees

length of AB = 8.7cm

Use trigonometry to solve for the length of BC.

First, Measure of angle C,

In triangle ABC,

Measure of (Angle A + Angle B + Angle C ) = 180

⇒ 36 + 90 + Measure of angle C = 180

⇒ Measure of angle C = 54 degrees

Now , use the sine function to solve for BC,

sin(C) = opposite side /hypotenuse

Substitute the values we have,

⇒ sin(54) = BC/AB

⇒BC = AB × sin(54)

⇒ BC = 8.7 × 0.834

⇒ BC = 7.2558

Rounding to three significant figures, we get,

BC ≈ 7.26 cm.

Therefore, the measure of length BC in triangle ABC is equal to 7.26cm.

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The above question is incomplete, the complete question is:

ABC is a right-angled triangle. Angle B = 90. Angle A = 36. AB = 8.7 cm. Work out the length of BC. Give your answer correct to 3 significant figures.

To indicate values in a data set that are above or below the average monthly order totals use AVG([Order Total]). Thus, option (D) is correct.

AVG([Order Total]): This expression calculates the average of the "Order Total" values in your data set. The average is simply the sum of all the order totals divided by the number of data points.

SUM([Order Total]) calculates the total sum of all order totals.

AVG([Order Total]) then divides that sum by the number of data points to find the average.

Now, to determine which values are above or below the average monthly order totals:

Thus, option (D) is correct.

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The question attached here seems to be incomplete, the complete question is:

Which calculation would you use to indicate values in a data set that are above or below the average monthly order totals?

Select an answer:

AVG(SUM [Order Total])

SUM({Order Total])

SUM(AVG [Order Total])

AVG([Order Total]

  The decimal values:

  - Positive ratio: 0.4
  - Negative ratio: 0.4
  - Zero ratio: 0.2

To calculate the ratios of positive, negative, and zero elements in an array of integers,

Follow these steps:

1. Initialize three variables, 'positive', 'negative', and 'zero', to count the number of positive, negative, and zero elements in the array.

2. Loop through the array of integers and for each element, check if it is positive, negative, or zero. Increment the corresponding count variable accordingly.

3. Calculate the decimal value of each fraction (ratio) by dividing the count of positive, negative, and zero elements by the total number of elements in the array.

4. Print the decimal value of each fraction on a new line with places after the decimal.

Here's an example with the array [1, -2, 0, 3, -1]:

1. Initialize positive = 0, negative = 0, zero = 0.

2. Loop through the array:
  - 1 is positive, so positive = 1.
  - -2 is negative, so negative = 1.
  - 0 is zero, so zero = 1.
  - 3 is positive, so positive = 2.
  - -1 is negative, so negative = 2.

3. Calculate the ratios:
  - Positive ratio = positive / total elements = 2 / 5 = 0.4.
  - Negative ratio = negative / total elements = 2 / 5 = 0.4.
  - Zero ratio = zero / total elements = 1 / 5 = 0.2.

4. Print the decimal values:
  - Positive ratio: 0.4
  - Negative ratio: 0.4
  - Zero ratio: 0.2

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we would need at least 678 freshmen to make purchases to estimate the average amount spent on books in their first year with a 90% confidence interval and a margin of error of $2, assuming the estimated standard deviation of the amount spent is $30 based on last year's book sales.

To calculate the number of observations required to achieve a 90% confidence interval with a margin of error of $2 and an estimated standard deviation of $30, we can use the following formula:

n = (z * σ / E)^2

Where n is the number of observations required, z is the z-score for the desired confidence level (in this case, 90%, which corresponds to a z-score of 1.645), σ is the estimated standard deviation ($30 in this case), E is the desired margin of error ($2 in this case).

Substituting the values given:

n = (1.645 * 30 / 2)^2 = 677.89

Rounding up to the nearest integer, the number of observations required is 678.

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Using graphs,

The ordered pair, (6,15) represents here the cost of 6 pounds of noodles that is $15.

A structured representation of the data is all that the graph is. It assists us in comprehending the info. Data are the numerical details gathered by observation. Data is a derivative of the Latin term datum, which means "something provided."

Data is continuously gathered through observation once a research question has been formulated. After that, it is arranged, condensed, and categorised before being graphically portrayed.

Here in the question,

As we can see that the graph is a relation between the number of noodles in pounds and the cost of noodles in dollars has been given and compared.

So, as per the question,

The ordered pair that represents here the cost of 6 pounds of noodles is (6,15).

As, from the graph:

When noodles in pounds is 6, cost in dollars is 15.

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The complete question is:

the points on the graph show how much chee pays for different amounts of noodles, complete the statement about the graph

Using Geometric Mean Theorem, In the given triangle, The length of altitude is 12.

The geometric mean theorem states that in a right triangle, the length of the altitude from the right angle to the hypotenuse is the geometric mean of the lengths of the two segments of the hypotenuse

In other words, the square of the length of the altitude from the right angle to the hypotenuse is equal to the product of the lengths of the two segments of the hypotenuse. And the length of the altitude itself is equal to the square root of this product.

Now,

As we know

using Geometric Mean Theorem,

hypotenuse=18+8=26

let base=a

then   26/a=a/8

a²=208

Now, using Pythagoras theorem

8²+(x+9)²=a²

(x+9)²=208-64

x+9=√144

x+9=12

Hence, The length of altitude is 12.

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Under the null hypothesis, this test statistic follows a t-distribution with (n nap + n coffee - 2) degrees of freedom and the p-value is less than the significance level of 0.05,

To determine if there is sufficient evidence that taking a nap promotes faster reaction time than drinking coffee, we can perform a two-sample t-test assuming equal variances. The null hypothesis is that there is no difference in the mean reaction times between the nap and coffee groups, while the alternative hypothesis is that the mean reaction time for the nap group is less than the mean reaction time for the coffee group.

Let's assume that we have collected data on reaction times for both the nap and coffee groups, and have calculated their sample means ( X nap and X coffee) and sample standard deviations (snap and  s coffee). We can then calculate the pooled standard deviation using the formula:

[tex]Sp = sqrt(((nnap - 1) * snap^2 + (ncoffee - 1) * scoffe^2) / (nnap + ncoffee - 2))[/tex]

where n nap and n coffee are the sample sizes for the nap and coffee groups, respectively. We can then calculate the test statistic using the formula:

t = (X nap - X coffee) / (Sp * sqrt(1/nnap + 1/ncoffee))

Under the null hypothesis, this test statistic follows a t-distribution with (n nap + n coffee - 2) degrees of freedom. We can calculate the p-value for this test statistic using a t-distribution table or a calculator. Alternatively, we can use Python or R to perform the test and calculate the p-value.

If the p-value is less than the significance level of 0.05, we can reject the null hypothesis and conclude that there is sufficient evidence that taking a nap promotes faster reaction time than drinking coffee. Otherwise, we fail to reject the null hypothesis.

After calculating the appropriate test statistic, we would save it into variable p2.C.Stat, rounding the value to two decimal places. We would then calculate the p-value for this test statistic and save it into variable p2.C.P, rounding the value to three decimal places.

It's important to note that the assumptions of the two-sample t-test, such as normality and equal variances, should be checked before performing the test. If these assumptions are not met, alternative tests such as the Wilcoxon rank-sum test may be more appropriate.

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it will take approximately 22.56 years for the amount to triple.

The given information for this problem is that there is an initial investment of $600 in an account with an annual interest rate of 4%. The task is to determine after how many years the amount will triple.Using the compound interest formula, we can find the amount in the account after t years:A = P(1 + r/n)nt Where,A = final amount in the account, P = initial amount in the account r = annual interest rate ,n = number of times the interest is compounded per year ,t = time in years.

From the problem statement, we know that the initial amount, P, is $600 and the annual interest rate, r, is 4%. Let's assume that the interest is compounded annually, i.e., n = 1.Substituting these values in the formula, we get:A = $600(1 + 0.04/1)1t Simplifying this expression,A = $600(1.04)t.

Taking the ratio of the final amount to the initial amount, we get: 3P = $600 × 3 = $1800. Therefore,A/P = 3 = (1.04)t.Dividing both sides by P, we get:3 = (1.04)t ln(3) = ln(1.04)t. Using the logarithmic property, we can bring down the exponent to the front:ln(3) / ln(1.04) = t Using a calculator, we get ≈ 22.56. Therefore, it will take approximately 22.56 years for the amount to triple.

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