Coordinate plane K = (10,?) L = (?,20) M = (30,?)

The solution to the equation x³ = 8 is x = 2.

A statement that affirms the equivalence of two expressions joined by the equals symbol "=" is known as an equation.

To solve x³ = 8, we can use the concept of taking the cube root of both sides of the equation:

x³ = 8

Taking the cube root of both sides, we get:

∛(x³) = ∛8

Simplifying the left-hand side of the equation, we get:

x = ∛8

We can simplify the cube root of 8 to get the final solution:

x = 2

Therefore, the solution to the equation x³ = 8 is x = 2.

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To calculate the effective annual cost of not taking the discount and paying on day 40, we need to determine the cost of financing the purchase over 40 days.

First, we can calculate the cost of not taking the discount:

Discount = 3%

Days to Pay = 40

Effective Interest Rate = (Discount % / (100% - Discount %)) x (365 / (Days to Pay - Discount Period))

Effective Interest Rate = (3% / (100% - 3%)) x (365 / (40 - 20))

Effective Interest Rate = 0.03109 or 3.109%

This means that if Wyatt Oil does not take the discount and pays on day 40, they will effectively be paying an annual interest rate of 3.109% to finance the purchase.

Therefore, the closest answer to the effective annual cost is 3.109%, which is option B: 18%.

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The 30º-60º-90º Triangle Theorem states that the longer leg of a triangle is equal to the shorter leg multiplied by the square root of 3, and the hypotenuse is equal to twice the shorter leg.

Therefore, if the length of the shorter leg is 4 inches, the longer leg would be 4√3 inches, and the hypotenuse would be 8 inches.

To apply the 30-60-90 Triangle Theorem, remember the ratio of the sides is 1:√3:2. In this case, the length of the shorter leg is 4 inches (corresponding to the 30º angle). Since the ratio of the shorter leg to the hypotenuse is 1:2, simply double the length of the shorter leg to find the hypotenuse. So, the length of the hypotenuse is 4 × 2 = 8 inches.

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The incenter of a triangle is the point of intersection of the angle bisectors of the three angles of the triangle. This point is equidistant from the three sides of the triangle, and it is the center of the circle that is tangent to all three sides of the triangle.

To illustrate an incenter, we need to look for a triangle that has a point that is equidistant from all three sides. One such triangle is an equilateral triangle, which has all three sides equal in length and all three angles equal in measure.

In an equilateral triangle, the incenter coincides with the centroid, circumcenter, and orthocenter. These four points are all located at the same point, which is the center of symmetry of the triangle.

To see why the incenter is at the center of an equilateral triangle, consider that the angle bisectors of an equilateral triangle form three congruent angles of 60 degrees each. These angle bisectors also bisect the sides of the triangle at right angles, forming six congruent 30-60-90 triangles. Since the incenter is the point where the angle bisectors intersect, it follows that the incenter is equidistant from all three sides of the triangle.

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Answer: 36 feet

Step-by-step explanation: I hope this helps

The simplest form of the expression √2-√10/√2+√10 is -√5.

To do this, we multiply both the numerator and denominator of the fraction by the conjugate of the denominator. The conjugate of a binomial is the same as the binomial, but with the opposite sign in the middle. For the denominator √2+√10, the conjugate is √2-√10.

So, we multiply the numerator and denominator of the expression by √2-√10:

(√2-√10/√2+√10) x (√2-√10/√2-√10)

Expanding the denominator, we get:

(√2-√10) x (√2-√10) / (2 - 10)

Simplifying the denominator, we get:

(√2-√10) x (√2-√10) / (-8)

Expanding the numerator, we get:

2 - 2√20 + 10 / (-8)

Simplifying the numerator, we get:

-8√5 / 8

Canceling out the common factor of 8, we get:

-√5

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1)  The test statistic is 1.5

2) The p-value is  0.1544.

What is a hypothesis?

A hypothesis is a theory put up to explain a phenomenon. A hypothesis must be testable according to the scientific method for it to be considered a scientific hypothesis. Scientific hypotheses are typically based on prior observations that cannot be adequately explained by the current body of knowledge.

Here, we have

Given: Students at a certain college claim that the average distance students commute to campus is 26 miles per day.

This will be a two-tailed test because the alternative hypothesis is showing a specific direction

This is the two-tailed test.

The null and alternative hypothesis is,

H₀ : μ = 26

Hₐ: μ ≠ 26

x = 29

s = 8

n = 16

1) Test statistic = t = (x-μ)/s/√n

= (29-26)/8/√16

= 3/8/4

= 1.5

degrees of freedom = n - 1 = 16 - 1 = 15

p(t > 1.5) = 1-P (t < 1.5) = 1 - 0.9228

= 0.0772

This is the two-tailed test.

2) p-value = 2 * p(t > 1.5)

p-value = 2 * 0.0772

p-value = 0.1544

Hence, 1)  The test statistic is 1.5

2) The p-value is  0.1544.

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Answer:

Interval Frequency

0 - 1 5

2 - 3 0

4 - 5 4

6 - 7 8

8 - 9 6

The largest country in Europe by population is Russia. With a population of over 144 million people, Russia holds almost twice as many inhabitants as the second-largest country in Europe, Germany.

The reason why Russia has the largest population in Europe is mainly due to its vast geographical area, which includes diverse ethnic groups and natural resources, thus supporting a larger population. Additionally, historical factors such as migration, urbanization, and economic growth have also contributed to Russia's high population numbers.

One of the main reasons for Russia's large population is its size. As the largest country in the world, Russia covers almost 1/8th of the world's landmass, providing ample room for its citizens to reside. Additionally, Russia's population growth has been influenced by various factors throughout history, including immigration, wars, and government policies. Despite declining birth rates in recent years, Russia's population remains the largest in Europe.

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To answer this question, a chi-square test of independence can be used to determine if there is a significant association between region of the country and support for new national parks (for or against).

The null hypothesis would be that there is no association between the two variables, and the alternative hypothesis would be that there is an association.

To analyze whether support for new national parks differs by region in the country (West, Midwest, South, Northeast), you would use an Analysis of Variance (ANOVA) test. The ANOVA test allows you to compare the means of multiple groups (in this case, the regions) to determine if there is a significant difference in support for new national parks among them.

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[tex] \frac{ \sqrt{2} }{6} [/tex]

~

0.23

The statements that are true of medians in even and odd distributions are:

An even quantity of data values will forever maintain a pair of central numbers. In these circumstances, the middle numbers are attained by calculating the average among the two numbers amidst the set of data. As an illustration, in the series {1, 2, 3, 4}, the dual numeral at the core are 2 and 3.

The mean value between these integers is (2+3)/2=2.5, ultimately making it the center number of this cluster of data. Conversely, an odd number of data inserts shall eternally acquire only one midpoint, simply the figure located within the dataset's nucleus.

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The variable that is most important to the given problem is the number of tents the Army orders. So, correct option is b.

The tentmaker has 60,000 tents in stock, and the Army orders 350 tents for each of its 200 brigades. So, the total number of tents required by the Army is:

350 x 200 = 70,000 tents

As the number of tents ordered by the Army is greater than the number of tents available in the stock, the tentmaker will not have enough tents to fulfill the Army's order.

The price of one tent and the size of each tent are not relevant to the question of whether the tentmaker will have enough tents in stock to fulfill the Army's order. Therefore, option A and option C are not the most important variables in this problem.

So, correct option is b.

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A normal probability plot (also known as a normal plot or a probability plot) is a graphical tool that can be used to assess whether a set of data follows a normal distribution.

When the data being plotted follows a normal distribution, the points on the plot will appear roughly linear, with deviations from linearity being relatively minor. In other words, the plot will form a straight line.

If the plot deviates significantly from a straight line, it suggests that the data may not be normally distributed. The shape of the plot can indicate whether the data is skewed or has heavy tails compared to a normal distribution.

Therefore, a normal probability plot appearing linear indicates that the data follows a normal distribution. It is important to note that this is only one way to check for normality, and it is always recommended to use multiple methods to verify the normality assumption before applying statistical tests that assume normality.

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A: Two proportions from independent samples would be used to answer this question.

After comparing the percentage of runners that typically wear sunscreen on a run to the percentage of bikers that typically wear sunscreen on a bike ride. The survey is comparing the percentage of runners who wear sunscreen to the percentage of bikers who wear sunscreen, which is a comparison of two proportions. The samples of runners and bikers are independent since they are two separate groups being compared, and the design is not matched or paired in any way. Therefore, option A is the correct choice.

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the fraction of four-digit positive integers containing only digits from the set {2,4,6,8} that have at least one of their digits repeated is 29/32.

First, let's determine the total number of four-digit positive integers using digits from the set {2,4,6,8}. Since there are 4 choices for each of the 4 digits, there are a total of 4^4 = 256 possible integers.

Next, we'll count the number of four-digit integers without any repeating digits. Since there are 4 choices for the first digit, 3 choices for the second digit, 2 choices for the third digit, and 1 choice for the last digit, there are a total of 4! (4 factorial) = 4 x 3 x 2 x 1 = 24 integers without any repeating digits.

Now, to find the number of integers with at least one repeating digit, we can subtract the number of integers without any repeating digits from the total number of integers: 256 - 24 = 232 integers.

Finally, to find the fraction of these integers with at least one repeating digit, we'll divide the number of integers with at least one repeating digit by the total number of integers: 232/256 = 29/32.

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Perimeter = 2(8 cm + 6 cm) = 2(14 cm) = 28 cm. We can calculate it in the following manner.

The perimeter of the rectangular piece of cardboard is the sum of all four sides. Using the given measurements of 8 cm by 6 cm, we can calculate the perimeter as follows:

Perimeter = 2(Length + Width)
Perimeter = 2(8 cm + 6 cm)
Perimeter = 2(14 cm)
Perimeter = 28 cm

Therefore, the perimeter of the rectangular piece of cardboard is 28 cm.
Hi! To calculate the perimeter of a rectangular piece of cardboard with measurements 8 cm by 6 cm, you can use the formula: Perimeter = 2(Length + Width). In this case, the length is 8 cm and the width is 6 cm.

Your answer: Perimeter = 2(8 cm + 6 cm) = 2(14 cm) = 28 cm.

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The 95% confidence range for the genuine proportion of all individuals who would prefer to sleep at home while unwell is (0.598, 0.662). We would be astonished if the real percentage of adults who prefer to sleep when home sick is 70%, considering the confidence range excludes this amount. In fact,

(a)Using the procedure, we can get a 95% confidence range for the genuine percentage of all individuals who would prefer to sleep when at home sick:

CI = p ± z √(p(1-p)/n)

where p is the sample proportion, z is the z-score corresponding to a 95% confidence level (1.96), and n is the sample size.

Using the given information, we have:

p = 0.63

z = 1.96

n = 1000

Plugging in the values, we get:

CI = 0.63 ± 1.96 √(0.63(1-0.63)/1000)

CI = 0.63 ± 0.032

The 95% confidence interval for the true percentage of all adults who would choose to sleep when they are at home sick is (0.598, 0.662).

(b) If the true percentage of adults who would choose to sleep when they are home sick is 70%, we would be surprised because the confidence interval does not include this value. In fact, the lower bound of the interval is 0.598, which is significantly lower than 70%. This means that we can be fairly confident that the true percentage is less than 70%.

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An example where Mookie betts of the boston red sox had the highest batting average in 2018 with probability of average batts is 0.364 for each is a binomial Probability example.

In the statistics, the concept of probability is handy in figuring out the likelihood a particular outcome would occur for an event or decision. On the basis of probability, one can figure out other related probabilities like the probability of not having that particular outcome or the probability of having only that outcome every time. There is Mookie betts of the boston red sox had the highest batting average in league baseball season.

The average probability = 0.364 for each time of bats.

That is Probability of hitting or success, p = 0.364

Number of trials, n = 7

That is Probability distribution is written as [tex]X \: \tilde \: \: Binom( n,p) [/tex].

After reading all seniror, the probability for seven seven times at bat tonight in the red sox-yankee game is an example of binomial Probability.

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The union needs a minimum sample size of 140 to be 95% confident that their estimate of μ is within $0.35 of the true value.

To achieve this level of confidence, the union needs to determine the minimum sample size required. The sample size is important because it affects the precision of the estimate. A larger sample size generally leads to a more precise estimate.

To find the minimum sample size needed, we need to use a formula that relates the sample size, the confidence level, the standard deviation of the population, and the margin of error. The formula is:

n = (z² * σ²) / E²

where n is the sample size, z is the z-score associated with the desired confidence level (in this case, 1.96 for 95% confidence), σ is the standard deviation of the population, and E is the margin of error (in this case, $0.35).

Plugging in the given values, we get:

n = (1.96² * 2.25²) / 0.35² n = 139.79

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Complete Question:

A union of restaurant and food service workers would like to estimate the mean hourly wage, μ , of food service workers in the U.S. The union will choose a random sample of wages and then estimate μ using the mean of the sample. What is the minimum sample size needed in order for the union to be 95% confident that its estimate is within $0.35 of μ ?

Suppose that the standard deviation of wages of food service workers in the U.S. is about $2.25. Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum whole number that satisfies the requirements).

The value of the sample proportion of people from Vermont who exercised for at least 30 minutes a day 3 days a week is 0.653, which is equivalent to 65.3%.

It is important to note that this value is based on a random sample of respondents and may not necessarily represent the true proportion of the entire population of Vermont who exercise regularly.

To find the sample proportion of people from Vermont who exercised for at least 30 minutes a day, 3 days a week, follow these steps:

1. Convert the given percentage (65.3%) to a decimal by dividing by 100: 65.3 / 100 = 0.653
2. Multiply the decimal by the number of participants in the random sample (100 respondents): 0.653 * 100 = 65.3
3. Round the result to the nearest whole number to find the number of participants who exercised: 65.3 ≈ 65
4. Divide the number of participants who exercised (65) by the total number of participants in the random sample (100): 65 / 100 = 0.65

This means that out of the 100 participants sampled from Vermont, 65.3 of them answered "yes" to the question of whether they had exercised for more than 30 minutes a day for three days out of the week.

The value of the sample proportion of people from Vermont who exercised for at least 30 minutes a day, 3 days a week is 0.65 or 65%.

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The positive difference of outputs for any two inputs that are three values apart is 1.5.

To find the positive difference of outputs for any two inputs that are three values apart, we can choose two such inputs, calculate their respective outputs, and find the absolute value of their difference. Let's choose -3 and 0 as our inputs, which are three values apart, and find their respective outputs:

f(-3) = -1.5

f(0) = 0

The positive difference between these outputs is:

|f(-3) - f(0)| = |-1.5 - 0| = 1.5

This means that for any two inputs that are three units apart, the output of the function increases or decreases by 1.5 units.

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Complete question is:

This table shows input and output values for a linear function f(x) .

What is the positive difference of outputs for any two inputs that are three values apart?

x f(x)

-3 -1.5

-2 -1

-1 -0.5

0 0

1 0.5

2 1

3 1.5

The derivative of F(x) is [tex]F'(x) = 6 - 12(3x+1)^{(1/3)[/tex].

A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output.

To find the derivative of the given function F(x), we will apply the fundamental theorem of calculus and differentiate the integral with respect to x.

Let's compute F'(x):

F(x) = ∫[2 to 3x] [tex](2 - 4(t+1)^{(1/3))} dt[/tex]

To differentiate the integral with respect to x, we'll use the Leibniz integral rule:

F'(x) = d/dx ∫[2 to 3x] [tex](2 - 4(t+1)^{(1/3))} dt[/tex]

According to the Leibniz integral rule, we have to apply the chain rule to the upper limit of the integral.

[tex]F'(x) = (2 - 4(3x+1)^{(1/3)}) d(3x)/dx - (2 - 4(2+1)^{(1/3)}) d(2)/dx[/tex]   [applying the chain rule to the upper limit]

[tex]F'(x) = (2 - 4(3x+1)^{(1/3)}) (3) - (2 - 4(2+1)^{(1/3)})[/tex] (0)  [using the power rule for differentiation]

[tex]F'(x) = 6 - 12(3x+1)^{(1/3)[/tex]

Therefore, the derivative of F(x) is [tex]F'(x) = 6 - 12(3x+1)^{(1/3)[/tex].

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We can draw from this study that we can make inferences based on the results of this study for the population of all tennis balls slated for use in the match.

Based on the information provided, the tennis court official conducts an experiment where a random sample of 50 tennis balls is selected and subjected to different treatments to inspect wear and tear. From this study, we can draw the following conclusion:

A: We can make inferences based on the results of this study for the population of all tennis balls slated for use in the match.

This is because the tennis court official selected a random sample of tennis balls and subjected them to different conditions, allowing us to make inferences about how the entire population of tennis balls might be affected under similar conditions.

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The probability that a randomly chosen customer who likes cake also likes pie is 2/3 or 0.6

To find the probability that a customer who likes cake also likes pie, we need to look at the overlap between the cake and pie circles in the Venn diagram. The diagram shows that 10 customers like both cake and pie, out of a total of 25 customers surveyed.

So, the probability that a randomly chosen customer who likes cake also likes pie is:

P(pie | cake) = number of customers who like both cake and pie / number of customers who like cake

P(pie | cake) = 10/15

P(pie | cake) = 2/3

Therefore, the probability that a randomly chosen customer who likes cake also likes pie is 2/3 or 0.67.

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Answer: 2/3

Step-by-step explanation:

The approximate area of the trapezoid is determined as  13.95 unit².

The approximate area of the trapezoid is calculated as follows;

Area = ¹/₂(b₁ + b₂)h

Where;

The y-coordinates of the points on the curve at x=3/2 and x=4 is calculated as follows;

y(3/2) = - (3/2)²/2 + 3/2 + 5

y(3/2) = -9/8 + 3/2 + 5

y(3/2) = 5.375

y(4) = -4²/2 + 4 + 5

y(4) = -8 + 9

y(4) = 1

h = 5.375 - 1 = 4.375

The approximate area of the trapezoid is calculated as;

Area = ¹/₂(5.375 + 1) x 4.375

Area = 13.95 unit²

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If f is defined recursively by f(0) = −1, f(1) = 2, and f(n + 1) = f(n) + 3f(n − 1) for n = 1,2,3,4,5 then f(2)=-1, f(3)=5, f(4)=2, f(5)=17

f(0) = -1

f(1) = 2

need to find  f(2), f(3), f(4), and f(5)

f(2) =f(1+1)

we have  f(n + 1) = f(n) +  3f(n − 1)

therefore f(2)= f(1) + 3 * f(0)

but we have f(1)= 2  and f(0)=1 (given)

therefore required f(2)=2+ 3 * (-1)

                                = 2-3    

                            f(2)=-1   ----> equation (1)

need to find  f(3)

f(3)=f((2+1)

here n=2

by def we have  f(n + 1) = f(n) +  3f(n − 1)

f(3)=f(2)+3f(2-1)

   =f(2)+3f(1)

but f(2)=-1 from the above calculated and f(1)=2 given

therefore f(3)=-1+3(2)

                =-1+6

         f(3)  =5        ------------------------>(2)

need to find f(4)

f(4)=f(3+1)

there n=3

therefore by def

f(4)=f(3)+3f(3-1)

     =f(3) +3f(2)

substituing the values of f(3) from  equation (2) and f(2) from  equation 1

f(4)=5+3(-1)

       =5-3

    f(4)   =2-------------------------------------------(3)

need to find f(5)

f(5)=f(4+1)

by def

f(n + 1) = f(n) +  3f(n − 1)

therefore f(5)=f(4)+3f(4-1)

                 =f(4)+3f(3)

Substitute the values from equations (3) and (2) we get

    f(5)=2+3(5)

           =2+15

         f(5)  =17

Therefore, If f is defined recursively by f(0) = −1, f(1) = 2, and f(n + 1) = f(n) + 3f(n − 1) for n = 1,2,3,4,5 then f(2)=-1, f(3)=5, f(4)=2, f(5)=17

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Full question:

Find f(2), f(3), f(4), and f(5) if f is defined recursively by f(0) = −1, f(1) = 2, and f(n + 1) = f(n) + 3f(n − 1) for n = 1,2,3,4,5

We can match the tape diagrams to the descriptive texts as follows:

1. Kevin spends $13 at a fair. He bought 3 tickets to go on rides and he paid a $4 fee to enter the fair.

2. Knox has 13 cups of soda. He pours equal amounts for four friends and has 3 cups left for himself.

3. Nancy spends 4 hours training for a triathlon. She spends three hours swimming and then bikes 13 miles at a constant pace.

To match the diagrams to the text, we can first begin by checking the figures described and equating them to the corresponding boxes. For instance, in the first diagram, there are 3 boxes with the x sign which indicate the three tickets that Kevin purchased.

The extra $4 entrance fee is indicated by the 4 in the last box. So, this method is how one can match the diagrams to their descriptions effectively.

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There are 26 uppercase English letters and 10 digits (0 to 9). Therefore, there are $26 \times 26 \times 10 \times 10 \times 10 \times 10 = 67,!600,!000$ ways to form a license plate with two uppercase English letters followed by four digits.

Similarly, there are $26 \times 26 \times 26 \times 26 \times 10 \times 10 = 45,!697,!600$ ways to form a license plate with four uppercase English letters followed by two digits.

The total number of possible license plates is the sum of these two numbers:

67,600,000 + 45,697,600 = 113,297,600

Therefore, there are $113,!297,!600$ possible license plates that can be made using either two uppercase English letters followed by four digits or four uppercase English letters followed by two digits.

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Let's call the length of the rectangle "L" and the width "W". We know that the width is 10 cm shorter than the length, so we can write.

W = L - 10
We also know that the area of the rectangle is 200 cm 2, so we can write:
A = L x W
Substituting W = L - 10, we get:
A = L x (L - 10)
Expanding the brackets, we get:
A = L^2 - 10L
Now we can substitute in A = 200 and solve for L:
200 = L^2 - 10L
0 = L^2 - 10L - 200
We can use the quadratic formula to solve for L:
L = (-b ± sqrt(b^2 - 4ac)) / 2a
Where a = 1, b = -10, and c = -200. Plugging in these values, we get:
L = (10 ± sqrt(10^2 - 4(1)(-200))) / 2(1)
L = (10 ± sqrt(1100)) / 2
L = (10 ± 10sqrt(11)) / 2
L ≈ 19.9 or L ≈ -9.9
We can disregard the negative solution since we're dealing with lengths, so the length of the rectangle is approximately 19.9 cm.
Now we can use W = L - 10 to find the width:
W = 19.9 - 10
W ≈ 9.9 cm
Therefore, the length of the rectangle is approximately 19.9 cm and the width is approximately 9.9 cm.

To find the length and width of a rectangle whose width is 10 cm shorter than its length and whose area is 200 cm², follow these steps:
1. Define the variables: Let the length of the rectangle be L cm, and the width be W cm.
2. Use the given information: Since the width is 10 cm shorter than the length, we can write the equation W = L - 10.
3. Use the formula for the area of a rectangle: The area of a rectangle is given by the formula A = L × W.
4. Substitute the given area and the equation from step 2: In this problem, the area is 200 cm², so we have 200 = L × (L - 10).
5. Solve the equation for L: Expand the equation to get 200 = L² - 10L. Rearrange the equation to L² - 10L - 200 = 0.
6. Factor the quadratic equation or use the quadratic formula: (L - 20)(L + 10) = 0. This gives two possible values for L: L = 20 cm or L = -10 cm.
7. Discard the negative value: Since the length of a rectangle cannot be negative, we discard the value L = -10 cm. So, the length L is 20 cm.
8. Find the width using the equation from step 2: W = L - 10 = 20 - 10 = 10 cm.
Thus, the length and width of the rectangle are 20 cm and 10 cm, respectively.

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