A company will need 25,000 in 7 years for a new additon. To meet this goal, the company deposits money into an account today that 3% annual interest compound quarterly. Find the amount that should be invested to total 25,000 in 7 years.

Answers

Answer 1
You can use the simple interest formula 
[tex]P = irt[/tex]

We need P, which is the primary (or principal) investment, and we know that:

rate = 3% (0.03)
time = 7
i = $25000

So, just plug in and solve:
[tex]I = 25000(0.03)(7)[/tex]
[tex]I = 5250[/tex]

The company needs to invest $5250 today, to make $25000 in 7 years.



Related Questions

Last week, Marcus had a balance of - $10 in his savings account. This week, the balance is $10. Which equation would show the change,c, in his savings account...?
A. -10 + c =10
B. c + 10 =10
C. c + -10 =-10
D. -10 - c =-10

Answers

The correct answer is:  [A]:  " -10 + c = 10 " .
________________________________________________________
Explanation:
________________________________________________________
 
The beginning balance is:  " -$10 ". 

The "ending balance", or "current balance", is:  "$10" .
_________________________________________________________
So, the beginning balance is a "negative value", or a "deficit".

To get the change, "c" , 

either:  " 10 − c = -10 " ; 
________________________________
or:  " -10 + c = 10 " .
________________________________

Among the answer choices given, the correct answer choice provided is:
______________________________________________________

Answer choice:  [A]:   " -10 + c = 10 " .
______________________________________________________

4 and one half divided by 3
ANSWER ASAP!!

Answers

you get 1.5 hope this helps
The answer is 1.5 Hope this helps

The world record for the 24 hour run for women on all surfaces is 255.303 kilometers, set by mami kudo of Japan in 2011. What was her average speed?

Answers

Hello! I can help you with this! So, Mami Kudo ran 255.303 kilometers in 24 hours. I’m guessing that we have to find the answer in kilometers per hour. 255.303/24 is 10.6376 and other numbers or 10.64 when rounded to the nearest hundredth. Mami Kudo’s average speed was about 10.64 kilometers per hour.

The average speed of Mami on all surfaces is 10.64 km/hr.

What is average?

Average is the mid value of two different higher and lower values. The average can be determined by taking the sum of all data and then dividing it by the number of data or the total value divided by the total no. of values.

Given a runner in 24 hours named Mami can run 255.303 kilometers on all surfaces.

∴ Her average speed is (255.303/24) km/hr.

= 10.64 km/hr.

∴ Her average speed is 10.64 km/hr all surfaces.

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HELP THIS IS URGENT 40 POINTS



Josiah, the manager of a pet store, bought 72 oz of water conditioner to use in his fish tanks. His small tanks would require 2 oz of conditioner and his large tanks would require 6 oz of conditioner. He made a sketch to show the line representing the different combinations of tanks he could put the water conditioner into. The x-axis represented the number of small tanks and the y-axis represented the number of large tanks. The manager labeled only the intercepts.

Which points did the manager label?



(0, 6) and (2, 0)

(0, 12) and (36, 0)
(6, 0) and (0, 2)
(0, 36) and (12, 0)

Answers

The correct answer would be #3
Hmm, hard one (6, 0) and (0, 2)

Consider f and c below. f(x, y) = x2 i + y2 j c is the arc of the parabola y = 2x2 from (−1, 2) to (1, 2) (a) find a function f such that f = ∇f. f(x, y) = x3 3​+ y3 3​ correct: your answer is correct. (b) use part (a) to evaluate c ∇f · dr along the given curve
c.

Answers

In this exercise we have to perform the parameterization of the given function and we will have:

[tex]\int\limits_C {f} \, dr = f(1, 2)-f(-1, 2)= 2/3[/tex]

In there is some scalar function [tex]f(x, y)[/tex] such that:

[tex]\nabla f(x,y) = f(x, y) = x^2i+y^2j[/tex]

Then we want to find [tex]f[/tex] such that:

[tex]f'(x)= x^2= f(x,y) = \frac{x^3}{3} + g(y)\\f'(y)= y^2= f(x,y)= \frac{y^3}{3} + C\\f(x, y)= \frac{x^3}{3} +\frac{y^3}{3} + C[/tex]

So the vector filed [tex]f(x, y)[/tex] is conservative, which means the fundamental theorem applies; the line integral of [tex]f[/tex] along any path [tex]C[/tex] parameterized by some vector-valued function [tex]r(t)[/tex] over [tex]a\leq t\leq b[/tex] is given by:

[tex]\int\limits_C {f} \, dr\\\int\limits^t=a_t=b {f(r(t))} \, dt= f(r(b))-f(r(a))[/tex]

In the case:

[tex]\int\limits_C {f} \, dr = f(1, 2)-f(-1, 2)= 2/3[/tex]

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Final answer:

This problem requires calculation in multivariable calculus. Function f = ∇f when f(x, y) = x³/3 + y³/3. To calculate the line integral of ∇f · dr over the curve c, take the difference between the end and start points of the scalar function.

Explanation:

The subject for this calculation is multivariable calculus, dealing with operations such as the gradient (∇) and line integrals.

According to the given function f(x, y) in part (a), it can be seen that f = ∇f for f(x, y) = x³/3 + y³/3. The vector field of this function is conservative since it corresponds to the gradient of a scalar function.

For part (b), you will need to calculate the line integral of ∇f · dr over the curve c, which is y = 2x² from (-1, 2) to (1, 2). The result of this will be the difference between the end and start points of the scalar function: f(1, 2) - f(-1, 2).

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What is the domain of this relation?

{ (-1,5), (4,1), (8,3), (4,5) }

Answers

The answer is the one with all of the x values listed. {-1,4,8}
The domain of a relation is the set of all x values in a set of ordered pairs.

In this case, just take all the x values. They are:

-1, 4, 8, and 4.

Of course, there are no repeats with domain values.

So the domain set would just be -1, 4, and 8.

Or the last choice,

{-1, 4, 8}

On a map of Texas, one inch represents 25 miles. If Dallas and San Antonio are 6.4 inches apart, how many miles apart are they? A) 1,600 B) 160 C) 256 D) 390.6

Answers

you simply multiply 25 by 6.4. the answer to this would then be B)160.

I believe your answer is B)160. But i'm not 100%. <3

A fair coin is tossed 9 times. what is the probability that the coin lands head at least 7 times?

Answers

Approximately 22% of probability that the coin lands head at least 7 times.

Help super important

Based on the figure below, what is the value of x?
A. 5
B. 7
C. 11
D. 15

Answers

Hello.

Taking a look at our screenshot provided, we can conclude that we need to find the missing angle degree out of 90 degrees, as we are dealing with a right angle.

Let's set this up as an Algebraic formula and solve for the variable;
5x + 15 + 50 = 90

First, let's combine like-terms (15 and 50).

5x + 65 = 90

Now, isolate our variable by subtracting 65 from each side of the equation.

90 - 65 = 25
65 - 65 = 0

5x = 25

Now, divide both sides by 5 to solve for x, our missing angle degree.

x = 5

Your answer is A.) 5

I hope this helps!

How is .8333 as a fraction 5/6?

Answers

It's a repeating decimal. 

The decimal 0.8333 is equivalent to the fraction 2/3.

To convert the decimal 0.8333 to a fraction, follow these steps:

Step 1: Let x be the decimal value:

x = 0.8333

Step 2: Multiply both sides of the equation by 10000 to remove the decimal:

10000x = 8333.3

Step 3: Subtract x from both sides of the equation:

10000x - x = 8333.3 - 0.8333

9999x = 8332.4667

Step 4: Divide both sides of the equation by 9999 to isolate x:

x = 8332.4667 / 9999

Divide both the numerator and the denominator by their greatest common divisor, which is 3333:

x = (8332.4667 ÷ 3333) / (9999 ÷ 3333)

x = (2.49995) / 3

Now, the fraction as a whole number over the denominator:

x = 2 / 3

Therefore, the fraction is 2/3.

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I need help for all of these. Please give me all these answers, not just one please! :(

Answers

1. B     2. B     
That's all I know sorry :(

The formula B=32A is used in New England to estimate the minimum furnace output, B, in BTUs, for a modern house with A square feet of flooring. Determine the minimum furnace output for a 1700 square foot modern house

Answers

B=(32)(1700) your answer should be 54,400 BTU's

Two weeks ago, Alice came home from vacation and noticed that a bean plant was growing in her garden. Today, the stalk is $452$ centimeters tall, and Alice observed that its height increases by $5\%$ every day. How tall was the plant $2$ weeks ago when she first noticed it growing? Express your answer as a decimal to the nearest tenth.

Answers

so, on day 1, the plant was say "P" cm tall.

then 2 weeks go by, or 14 days, and the plant grew to 452 cm.

[tex]\bf \qquad \textit{Amount for Exponential Growth}\\\\ A=P(1 + r)^t\qquad \begin{cases} A=\textit{accumulated amount}\to 452\\ P=\textit{initial amount}\\ r=rate\to 5\%\to \frac{5}{100}\to &0.05\\ t=\textit{elapsed time}\to &14\\ \end{cases} \\\\\\ 452=P(1+0.05)^{14}\implies \cfrac{452}{1.05^{14}}=P[/tex]

Answer:

Te plant was 228.29 centimeters tall.

Step-by-step explanation:

To find the size of the plant 14 days (2 weeks ago), we will use a formula called "exponential growth."

[tex]A=P(1+r)^{t}[/tex]

where

A=accumulated amount.

P=initial ammount

r=rate

t=elapsed time.

replacing the values ​​we have

A=452 centimeters

P=variable to find

r=5% = 0.05

t=2 weeks= 14 days

So, we substitute the values ​​in the equation

[tex]452=P(1+0.05)^{14}[/tex]

Then, we clear the variable P

[tex]P=\frac{452}{1.05^{14} }[/tex]

and perform the operations

[tex]P=\frac{452}{1.979931} =228.29centimeters[/tex]

The length of a rectangular garden is 7 feet longer than its width. The garden's perimeter is 202 feet. Find the width of the garden.

Answers

Length: w+7
Width: w
Perimeter: 202feet
Perimeter= l+l+w+w or 2l+2w

2(w+7)+2w=202
2w+14+2w=202
4w+14=202
-14 -14
4w = 188
/4 /4
w=47
The width of the garden is 47 feet

four students volunteer at the hospital. Casey volunteers 20.7 hours,Danielle, two and three fourths, Javier 18 nine tenths, And Forrest twenty and eighteen twenty fiths who volunteerd the greatsest number of hours?

Answers

Forrest because 20.72 hours is much greater than the others

1. 20.7 hours Casey
2. Danielle 2 3/4 = 2.75 hours
3. Javier 18 9/10 = 18.9 hours
4. Forrest 20.72 hours

A health food producer has 250 samples of a new snack to distribute in the mall the producer has to keep at least 50 samples for display in the health food store for the product launch how long will the samples last if consumers are taking the samples at a rate of 25 every hour

Answers

250-50=200 to give out. 200/25=8 hours

Final answer:

The 200 samples available for distribution will last for 8 hours at a consumption rate of 25 samples per hour.

Explanation:

The health food producer has 200 samples to distribute (250 total minus 50 for display), and if consumers take samples at a rate of 25 every hour, you would divide the 200 samples by the rate of 25 samples per hour to calculate how long the samples will last.

200 samples ÷ 25 samples/hour = 8 hours.

Therefore, the samples available for distribution at the mall will last for 8 hours before they run out, assuming the rate of consumption is constant at 25 samples per hour.

a car drives 630 miles on 35 gallons of gas. How far can it drive on 12 gallons?

Answers

216 is the answer 
lllllllllllllllllllllllllllllllllllll

The car can drive 216 miles on 12 gallons.

What is displacement?

The rate of change of position is called as displacement.

Now it is given that,

Distance traveled by car = 630 miles

Gas required to travel 630 miles = 35 gallons

Therefore, Distance travel n 1 gallon = Distance traveled by car / Gas required to travel 630 miles

⇒ Distance travel n 1 gallon = 630 / 35 miles

⇒ Distance travel n 1 gallon = 18 miles

Therefore, Distance travel n 12 gallon = 12 * Distance travel n 1 gallon

Distance travel n 12 gallon = 12 * 18 miles

Distance travel n 12 gallon = 216 miles.

Thus, the car can drive 216 miles on 12 gallons.

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Carlene is selling T-shirts for a fundraiser. The T-shirts cost $20.50 each. To date, she has raised $700. Her goal is to raise more than $8,900. How many more T-shirts, x, does Carlene need to sell to reach her goal?

Answers

She needs to sell around 397 more shirts. 

Divide 700 by 20.5. This will give you the amount of shirts she has already raised with is 36 (more accurately 36 6/41). Next divide 8900 by 20.5. This is the amount of shirts she needs to sell in total, which is 434. Subtract these two values. 

Hope this helps

Carlene needs to sell 400 more T-shirts at $20.50 each to reach her goal of raising more than $8,900, after already raising $700.

The question asks us to determine how many more T-shirts, designated as x, Carlene needs to sell to reach her fundraising goal of more than $8,900, given that each T-shirt costs $20.50 and she has already raised $700. To solve for x, we can set up the following equation:

Total goal - Amount already raised = Amount still needed

$8,900 - $700 = $8,200

Next, we divide the amount still needed by the price per T-shirt to find out how many T-shirts need to be sold:

x = Amount still needed / Price per T-shirt

x = $8,200 / $20.50

x = 400

Carlene needs to sell 400 more T-shirts to reach her goal.

(1 point) find ∬rf(x,y)da∬rf(x,y)da where f(x,y)=xf(x,y)=x and r=[1,6]×[4,5]r=[1,6]×[4,5].

Answers

[tex]\displaystyle\iint_Rf(x,y)\,\mathrm dA=\int_{y=4}^{y=5}\int_{x=1}^{x=6}x\,\mathrm dx\,\mathrm dy=\int_{x=1}^{x=6}x\,\mathrm dx=\frac{35}2[/tex]
Final answer:

The double integral of the function f(x, y) = x over the rectangle defined by [1, 6] and [4, 5] is calculated through an iterated integral to be 17.5.

Explanation:

The problem asks to find double integral of the function f(x, y) = x over the rectangle R defined by the interval [1, 6] for x and [4, 5] for y. To find this, we perform an iterated integral. The integral is setup as follows:

Rf(x,y)dA = ∫ from 1 to 6 ∫ from 4 to 5 x dy dx

We first integrate with respect to y which gives us: xy| from 4 to 5 = x(5) - x(4) = x.

Then, we integrate this result with respect to x which gives us: 0.5x²| from 1 to 6 = 0.5(6^2) - 0.5(1^2) = 17.5

So, Rf(x,y)dA equals to 17.5

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Mary is 19 years old. she drinks the recommended intake of 2.2 liters of water and other beverages a day. about how many cups is this equivalent to?

Answers

To convert 2.2 liters to cups, multiply by 4.22675. Rounded, it's approximately 9 cups. So, option C) [tex]$9$[/tex] cups is correct.

To find out how many cups 2.2 liters is equivalent to, we'll first convert liters to cups.

1 liter is approximately equal to 4.22675 cups.

So, to find out how many cups are equivalent to 2.2 liters:

[tex]\[ \text{Number of cups} = 2.2 \, \text{liters} \times 4.22675 \, \text{cups/liter} \][/tex]

[tex]\[ \text{Number of cups} \approx 9.29885 \, \text{cups} \][/tex]

Rounded to the nearest whole number, 2.2 liters of water is approximately equivalent to 9 cups. Therefore, the correct answer is:

C) [tex]$9$[/tex] cups

The correct question is:

Mary is 19 years old. She drinks the recommended intake of 2.2 liters of water and other beverages a day. About how many cups is this equivalent to?

A) 3 cups

B) 6 cups

C) 9 cups

D) 12 cups

Each member of a four-member relay team ran 100 meters during the relay. The time, in seconds, for each member is shown below. 13.9 s, 12.85 s, 14.82 s, 12.74 s Which expression finds the total time for the relay team?

Answers

The question "Each member of a four-member relay team ran 100 meters during the relay. The time, in seconds, for each member is shown below." is asking for us to find the expression which we find out by looking at the following numbers "13.9 s, 12.85 s, 14.82 s, 12.74 s". The expression would have to be letter C! 13.9 + 12.85 + 14.82 + 12.74! Hope this helps comrade.

Answer:

T = 13.9 + 12.85 + 14.82 + 12.74

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Based on the information in the question, the total time for the relay would be calculated by simply adding each of the four-relay members time during the 100 meter run. Therefore the expression would be

T = 13.9 + 12.85 + 14.82 + 12.74

T = 54.31 seconds.

If we decided to solve for the Total time (T) it would add up to 54.31 seconds for the relay time. But since the question did not ask for the total but just the expression. Then the answer is the expression above.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

how do you make a equation from slope intersecpt

Answers

Identify the slope, m. This can be done by calculating the slope between two known points of the line using the slope formula.
Find the y-intercept. This can be done by substituting the slope and the coordinates of a point (x, y) on the line in the slope-intercept formula and then solve for the equation

Express 15/(1 - 3x)2 as a power series by differentiating the equation below. what is the radius of convergence?

Answers

Recall that

[tex]\displaystyle\frac1{1-3x}=\sum_{n\ge0}(3x)^n[/tex]

for [tex]|3x|<1[/tex]. Notice that

[tex]\dfrac{\mathrm d}{\mathrm dx}\dfrac1{1-3x}=\dfrac3{(1-3x)^2}[/tex]

so that we have

[tex]\displaystyle\frac{15}{(1-3x)^2}=15\frac{\mathrm d}{\mathrm dx}\sum_{n\ge0}(3x)^n[/tex]
[tex]\implies\displaystyle\frac{15}{(1-3x)^2}=15\sum_{n\ge1}n(3x)^{n-1}[/tex]

(again, for [tex]|3x|<1[/tex])

If f(x) is a continuous function defined for all real numbers, f(–10) = –2, f(–8) = 5, and f(x) = 0 for one and only one value of x, then which of the following could be that x value?
–7
–9
0
2

Answers

f(-10)=-2,  f(-8)=5, and f is continuous. All these mean that f(x) is 0 for x in between -10 and -8.

That is, f at -10 is negative, then at -8 is positive. So the graph of f "cuts" the x-axis for an x value in (-10, -8). 

Since there is only one value such that f(x)=0, x can only be -9.


Answer: -9

The only value of x where f(x) = 0 can be determined by looking at the function's behavior near the x-axis and using the Intermediate Value Theorem. In this case, the potential x value is -9.

The one and only value of x where f(x) = 0 is the point of the function that intersects the x-axis. Since the function is continuous, it must cross the x-axis at this point due to the Intermediate Value Theorem.

To determine the possible value of x, we look at the given function values at x = -10 and x = -8 and identify where the function changes sign from negative to positive. The value of x where this sign change happens is the possible x value.

From the provided choices, the only value that would make this sign change possible is -9. Therefore, -9 could be the value of x where f(x) = 0.

Using the Rational Root Theorem, what are all the rational roots of the polynomial f(x) = 20x4 + x3 + 8x2 + x – 12?

-4/5 and 3/4

-4/5 and -3/4

-1, -4/5, 3/4 and 1

-1. -4/5, -3/4 and 1

Answers

Answer:

Option 1 is correct.

Step-by-step explanation:

The given polynomial is

[tex]f(x)=20x^4+x^3+8x^2+x-12[/tex]

we have to find  all the rational roots of the polynomial f(x)

The Rational Root Theorem states that the all possible roots of a polynomial are in the form of a rational number i.e in the form of [tex]\frac{p}{q}[/tex]

where p is a factor of constant term and q is the factor of coefficient of leading term.

In the given polynomial the constant is -12 and the leading coefficient is 20.

[tex]\text{All possible factor of -12 are }\pm1,\pm2, \pm3, \pm4,\pm6,\pm12[/tex]

[tex]\text{All possible factor of 20 are }\pm1,\pm2,\pm4,\pm5,\pm10,\pm20[/tex]

So, the all possible rational roots of the given polynomial are,

[tex]\pm1,\pm2, \pm3, \pm4,\pm6,\pm12,\pm\frac{1}{2},\pm\frac{3}{2},\pm\frac{1}{4},\pm\frac{3}{4},\pm\frac{1}{10},\pm\frac{1}{5},\pm\frac{3}{5},\pm\frac{3}{10},\pm\frac{2}{5},\pm\frac{6}{5},\pm\frac{1}{20},\pm\frac{3}{20},\pm\frac{4}{5},\pm\frac{12}{5}[/tex]

Now, the rational roots of polynomial satisfy the given polynomial

[tex]f(-\frac{4}{5})=20(-\frac{4}{5})^4+(-\frac{4}{5})^3+8(-\frac{4}{5})^2-\frac{4}{5}-12=\frac{256}{625}\times 20-\frac{64}{125}+\frac{128}{125}-\frac{4}{5}-12[/tex]

[tex]=\frac{1024}{125}-\frac{64}{125}+\frac{128}{25}-\frac{4}{5}-12[/tex]

[tex]=\frac{960}{125}+\frac{128}{25}-\frac{4}{5}-12=12-12=0[/tex]

Hence, rational root.

[tex]f(\frac{3}{4})=20(\frac{3}{4})^4+(\frac{3}{4})^3+8(\frac{3}{4})^2+\frac{3}{4}-12=\frac{405}{64}+\frac{27}{64}+\frac{9}{2}+\frac{3}{4}-12=0[/tex]

rational root

[tex]f(1)=20(1)^4+(1)^3+8(1)^2+1-12=20+1+8-11=18\neq 0[/tex]

not a rational root.

hence, option 1 is correct

Answer:

The first option

Step-by-step explanation:

Right on edg:)

A transversal must intersect two or more _____ lines.

Answers

Parallel lines.

if a transversal intersects two lines that are corresponding then the angles are congruent so the lines are parallel.  

(this is learned in (9th grade Geometry) refer to books for more rules and theorems 


Answer:

paralell lines, i think.

Step-by-step explanation:

What is the term for a descriptive value found by using data from a census?

choices are....
Statistics
Parameter
Mean
Median
Mode

Answers

Answer:

Parameter

Step-by-step explanation:

A box contains 12 1/2 square feet of tiles and costs $40.21 what is the approximate price per square foot

Answers

The approximate cost per square foot for the tiles is $3.22 when rounded to the nearest cent.

To calculate the price per square foot of tiles, divide the total cost of the tiles by the total number of square feet. The total cost given is $40.21, and the total area is 12 1/2 square feet.

First, convert the mixed number to an improper fraction. 12 1/2 is the same as 25/2 square feet. Now, to find the cost per square foot, perform the following division:

Price per square foot = Total cost / Total area in square feet

Price per square foot = $40.21 / (25/2 square feet)

Multiply by the reciprocal:

Price per square foot = $40.21 / 1 x 2 / 25

Price per square foot = $40.21 x 2 / 25

Price per square foot = $80.42 / 25

Price per square foot = $3.2168

Therefore, the approximate cost per square foot for the tiles is $3.22 when rounded to the nearest cent.

The approximate price per square foot is $3.22.

To find the price per square foot, divide the total cost by the total square footage. In this case, the cost is $40.21 and the square footage is 12 1/2 square feet.

1. Cost per square foot = Total cost / Total square footage

2. Cost per square foot = $40.21 / 12.5 sq ft ≈ $3.22/sq ft

1. Convert 12 1/2 square feet to a decimal: 12.5 sq ft.

2. Divide the total cost by the total square footage: $40.21 / 12.5 sq ft ≈ $3.22/sq ft.

To calculate the cost per square foot, you need to divide the total cost by the total square footage. In this case, the total cost is $40.21, and the total square footage is 12 1/2 square feet. First, convert 12 1/2 square feet to a decimal, which is 12.5 sq ft. Then, divide the total cost by the total square footage:

Cost per square foot = $40.21 / 12.5 sq ft ≈ $3.22/sq ft.

Therefore, the approximate price per square foot is $3.22.

complete question

A box contains 12 1/2 square feet of tiles and costs $40.21 what is the approximate price per square foot

What is the rational exponent expression of 3 square root 4n

Answers

[tex]\bf a^{\frac{{ n}}{{ m}}} \implies \sqrt[{ m}]{a^{ n}} \qquad \qquad \sqrt[{ m}]{a^{ n}}\implies a^{\frac{{ n}}{{ m}}}\\\\ -------------------------------\\\\ \sqrt[4n]{3^2}\implies 3^{\frac{2}{4n}}\implies 3^{\frac{1}{n}}[/tex]

Ann took a taxi home from the airport. The taxi fare was $2.10 per mile, and she gave the driver a tip of $5. Ann paid a total of $49.10

Write an equation to determine the distance in miles (x) between the airport and Ann's home.


Write an equation to determine the distance in miles (x) between the airport and Ann's home.

Answers

d = miles from the airport to home. 
2.1*d+5=49.10 solve for d
d=49.10-5/2.1 = 21 miles
Other Questions
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