find the point on the sphere nearest to a. the​ xy-plane. b. the point . question content area bottom part 1 a. the point on the sphere nearest the​ xy-plane is

The ratio of computers to households is 21:25 given that the ratio of computers to households can be calculated.

In the survey of 5000 households, 4200 had at least one computer.

To find the ratio of computers to households, we divide the number of computers by the number of households.

The calculation is done by dividing the number of computers by the number of households.

By that way, the ratio of computers to households can be calculated.

So the ratio is 4200 computers divided by 5000 households.

Simplifying the ratio gives us 42:50, which can be further simplified to 21:25.

Therefore, the ratio of computers to households is 21:25.

To know more about ratio visit:

https://brainly.com/question/32531170

#SPJ11

The expression -x² + 13x - 12 can be factored as (x + 1)(-x + 12).

To factor the expression -x² + 13x - 12, we can use the factoring method. First, we look for two numbers that multiply to give -12 and add up to 13. In this case, the numbers are 12 and -1.

Now, we can rewrite the expression as follows:

-x² + 12x - x + 13x - 12

Next, we group the terms:

(-x² + 12x) + (-x + 13x) - 12

Now, we can factor out common terms from each group:

x(-x + 12) + 1(-x + 12) - 12

Notice that we have a common binomial factor, (-x + 12), so we can factor it out:

(x + 1)(-x + 12)

Therefore, the expression -x² + 13x - 12 can be factored as (x + 1)(-x + 12).

Know more about factoring method here:

https://brainly.com/question/30239218

#SPJ11

This fraction can be simplified by dividing both the numerator and denominator by their greatest common divisor, the exact decimal or simplified fraction solution is [tex]\frac{7}{20}[/tex].

To solve the expression [tex]\frac{79}{40}[/tex] - 162.5%, we first need to convert the percentage to a decimal.
To convert a percentage to a decimal, we divide it by 100.

So, 162.5% becomes [tex]\frac{162.5}{100}[/tex] = 1.625.
Now, we can rewrite the expression as [tex]\frac{79}{40}[/tex] - 1.625.
To subtract fractions, we need a common denominator.

In this case, the least common multiple (LCM) of 40 and 1 is 40.

So, we need to rewrite both fractions with the denominator of 40.
For the first fraction, [tex]\frac{79}{40}[/tex], we can multiply both the numerator and denominator by 1 to keep it the same.
For the second fraction, 1.625, we can multiply both the numerator and denominator by 40 to get [tex]\frac{65}{40}[/tex]
Now we can subtract the fractions:

[tex]\frac{79}{40} - \frac{65}{40} = \frac{79-65}{40}[/tex]

= [tex]\frac{14}{40}[/tex]
To know more about decimal visit:

https://brainly.com/question/30958821

#SPJ11

[tex]\frac{79}{40} - 162.5\%[/tex] is equal to [tex]\frac{7}{20}[/tex] or [tex]0.35[/tex] as a decimal. To solve the expression [tex]\frac{79}{40}-162.5\%[/tex], we have to follow some step.

Steps to solve the expression:

1. Convert the percentage to a decimal: [tex]162.5\% = \frac{162.5}{100} = 1.625[/tex]

2. Now, we have [tex]\frac{79}{40}-1.625[/tex].

3. In order to subtract fractions, we need a common denominator. The least common denominator (LCD) for 40 and 1 is 40.

4. Rewrite the fractions with the common denominator:

    [tex]\frac{79}{40}-1.625 =\frac{79}{40}- (1.625 * \frac{40}{40})[/tex]

                     [tex]= \frac{79}{40}  - \frac{65}{40}[/tex]

5. Subtract the fractions:

    [tex]\frac{79}{40} - \frac{65}{40} = \frac{79-65}{40}[/tex]
                    [tex]= \frac{14}{40} [/tex]

6. Simplify the fraction by dividing both the numerator and denominator by their greatest common divisor (GCD), which is 2 in this case:

    [tex] \frac{14}{40} = \frac{(\frac{14}{2})}{(\frac{40}{2})}[/tex]

        [tex]= \frac{7}{20}[/tex]

Therefore, the simplified answer to [tex]\frac{79}{40}-162.5\%[/tex] is [tex]\frac{7}{20}[/tex] or [tex]0.35[/tex] as a decimal.

In conclusion, [tex]\frac{79}{40}-162.5\%[/tex] is equal to [tex]\frac{7}{20}[/tex] or [tex]0.35[/tex] as a decimal.

Learn more about fractions from the given link:

https://brainly.com/question/10354322

#SPJ11

Therefore, the quotient of -(3/8) divided by (5/8) is -3/5.

To find the quotient of -(3/8) divided by (5/8), you need to follow these steps:

Step 1: Invert the divisor (the second fraction) to change the division operation to multiplication. So, (5/8) becomes (8/5).

Step 2: Multiply the dividend (the first fraction) by the inverted divisor. Thus, -(3/8) multiplied by (8/5) is (-3/8) * (8/5).

Step 3: Multiply the numerators (top numbers) to get the new numerator and the denominators (bottom numbers) to get the new denominator. So, (-3 * 8) / (8 * 5) equals -24/40.

Step 4: Simplify the fraction if possible. In this case, you can divide both the numerator and the denominator by 8, resulting in -3/5.

To know more about quotient visit:

https://brainly.com/question/14254277

#SPJ11

Sample ranges do not necessarily target the value of the population range and may not make good estimators of population ranges due to sampling variability.

Different samples from the same population can yield varying results, with extreme values that may not be representative of the entire population. Consequently, the sample range can differ significantly from the population range, leading to inaccurate estimations.

To obtain more reliable estimates, statistical methods that account for sampling variability, such as confidence intervals and hypothesis tests, are commonly employed to provide a range of plausible values for the population range based on the sample data.

To know more about account visit -

brainly.com/question/33190570

#SPJ11

Familiar language can provide a starting point for understanding statistical concepts, it is crucial to delve deeper into the specific definitions and principles of statistics to gain a more accurate and comprehensive understanding. This involves learning the technical vocabulary and concepts that are unique to the field of statistics.

The use of everyday language, such as the words "normal," "confidence," and "random," can provide some initial familiarity and context when describing statistical concepts. These familiar words can serve as entry points for understanding the concepts being discussed. However, it is important to note that the meaning of these words in everyday language might not align precisely with their specific definitions in statistics.

For example, when we say "I had a pretty normal day," we are generally referring to a typical or ordinary day. In statistics, the term "normal" has a specific meaning when describing a normal distribution, which is a bell-shaped probability distribution. While the everyday use of the word "normal" might evoke a sense of familiarity, it does not fully capture the technical aspects and characteristics of a normal distribution.

Similarly, when we say "I have little confidence in our ability to win today," we are expressing doubt or uncertainty. In statistics, confidence refers to the level of certainty we have in the results obtained from a sample or an estimate. However, the everyday use of the word "confidence" might not fully convey the technical definition of statistical confidence, which involves intervals and probabilities.

Likewise, the term "random" is often used in everyday language to describe something unexpected or without a specific pattern. In statistics, randomness refers to a process or outcome that cannot be predicted with certainty. While the everyday use of the word "random" may share some common aspects with its statistical definition, it does not capture the precise mathematical properties and implications of randomness in statistical analysis.

Therefore, while familiar language can provide a starting point for understanding statistical concepts, it is crucial to delve deeper into the specific definitions and principles of statistics to gain a more accurate and comprehensive understanding. This involves learning the technical vocabulary and concepts that are unique to the field of statistics.

For such more questions on Familiar Words in Statistics

https://brainly.com/question/15713806

#SPJ8

Answer:

The use of familiar words like "normal," "confidence," and "random" in everyday language can provide a starting point for understanding statistical concepts. These words aid in bridging the gap between everyday experiences and statistical concepts. It's crucial to understand that these terms' technical definitions in statistics may not correspond to how they are commonly used. It is required to delve into the particular definitions, assumptions, and mathematical underpinnings connected with these phrases in order to have a thorough comprehension of statistical ideas. While the use of common language might be a good place to start, accurate understanding and application require a deeper investigation of statistical principles.

The flux of f across the surface s is 0.

To find the flux of f across the surface s, we can use the formula for flux:
flux = ∬(f · dS)
where f is the vector field, dS is the differential surface area vector, and the double integral is taken over the surface s.

In this case, f = j, which means the vector field is constant in the z-direction with a magnitude of 1. Therefore, the flux simplifies to:
flux = ∬(j · dS)

Now, let's calculate the flux step-by-step:
1. First, we need to parametrize the surface s. Since s is the part of the plane z=1 x y inside the cylinder x^2 + y^2 = 1, we can parametrize it as:
r(u, v) = (u, v, 1), where -1 ≤ u, v ≤ 1

2. Next, we need to find the differential surface area vector dS. Since s is a plane, the differential surface area vector is simply the cross product of the partial derivatives of r with respect to u and v:
dS = (∂r/∂u) × (∂r/∂v)

Calculating the cross product, we get:
dS = (1, 0, 0) × (0, 1, 0) = (0, 0, 1)

3. Now, let's evaluate the double integral ∬(j · dS) over the surface s. Since the magnitude of j is 1 and the dot product of j and dS is always 0, the flux is always 0.

Therefore, Flux of f across the surface s is 0.

To know more about the differential surface area visit:

https://brainly.com/question/32998017

#SPJ11

The student can buy the most of her favorite soft drink at store A, where she can purchase a maximum of 15 bottles within her budget.

To determine which store the student can buy the most of her favorite soft drink for no more than $20, let's compare the options at store A and store B.

At store A, the price of a 2-liter bottle is $1.29 (plus a 10-cent deposit).
To find out how many bottles the student can buy for $20, we divide $20 by the cost per bottle:

$20 / ($1.29 + $0.10) = 15.50 bottles.
However, since we cannot buy a fraction of a bottle, the student can only buy a maximum of 15 bottles.

At store B, the price of a 12-pack of 12 fl oz cans is $2.99 (plus a 5-cent deposit per can).
To find out how many 12-packs the student can buy for $20, we divide $20 by the cost per 12-pack: $20 / ($2.99 + ($0.05 * 12)) = 6.49 12-packs.
Again, since we cannot buy a fraction of a 12-pack, the student can only buy a maximum of 6 12-packs.

Therefore, the student can buy the most of her favorite soft drink at store A, where she can purchase a maximum of 15 bottles within her budget.

To know more about fraction visit :

brainly.com/question/10354322

#SPJ11

The solutions for the trigonometric equation tan(π/2-θ) + tan(-θ) = 0 with 0 ≤ θ < 2π are θ = π/4 and θ = 3π/4.

To solve the trigonometric equation tan(π/2-θ) + tan(-θ) = 0 for θ with 0 ≤ θ < 2π, follow these steps:

Step 1: Use the trigonometric identity tan(π/2 - θ) = cot(θ) to rewrite the equation as cot(θ) + tan(-θ) = 0.

Step 2: Use the trigonometric identity tan(-θ) = -tan(θ) to rewrite the equation as cot(θ) - tan(θ) = 0.

Step 3: Use the trigonometric identity cot(θ) = 1/tan(θ) to rewrite the equation as 1/tan(θ) - tan(θ) = 0.

Step 4: Multiply the equation by tan(θ) to eliminate the denominators. This gives us 1 - tan^2(θ) = 0.

Step 5: Rearrange the equation to get tan^2(θ) - 1 = 0.

Step 6: Factor the equation as (tan(θ) - 1)(tan(θ) + 1) = 0.

Step 7: Set each factor equal to zero and solve for θ:
  - tan(θ) - 1 = 0, which gives tan(θ) = 1. Solving for θ gives θ = π/4.
  - tan(θ) + 1 = 0, which gives tan(θ) = -1. Solving for θ gives θ = 3π/4.

Therefore, the solutions for the trigonometric equation tan(π/2-θ) + tan(-θ) = 0 with 0 ≤ θ < 2π are θ = π/4 and θ = 3π/4.

To know more about trigonometric equation refer here:

https://brainly.com/question/29261700

#SPJ11

The proof of the Supplement Theorem can be stated as follows: If two angles are supplementary to the same angle (or to congruent angles), then the two angles are congruent.

The Supplement Theorem states that if two angles are supplementary to the same angle (or to congruent angles), then the two angles are congruent.

To prove this theorem, we can use the following steps:

Let's assume we have two angles, angle A and angle B, which are both supplementary to angle C.

By definition, supplementary angles add up to 180 degrees.

So, we can express this as:

angle A + angle C = 180 degrees (equation 1)

angle B + angle C = 180 degrees (equation 2)

We want to prove that angle A is congruent to angle B, so we need to show that angle A = angle B.

To do that, we can subtract equation 2 from equation 1:

(angle A + angle C) - (angle B + angle C) = 180 degrees - 180 degrees

angle A - angle B = 0 degrees

angle A = angle B

Hence, we have shown that if two angles are supplementary to the same angle (or to congruent angles), then the two angles are congruent.

Therefore, the Supplement Theorem is proven.

This proof relies on the fact that if two expressions are equal to the same value, subtracting one from the other will result in zero.

In this case, subtracting the two equations shows that the difference between angle A and angle B is zero, implying that they are congruent.

For similar question on Supplement Theorem.

https://brainly.com/question/10493061

#SPJ8

Using covered interest arbitrage, you can earn a profit of approximately 0.60 cents for every $1 invested over the next year.
Calculate the interest rate differential.

The interest rate differential is the difference between the nominal risk-free rates in Canada and the U.S. In this case, the differential is 0.6% (4.8% - 4.2%). Calculate the forward premium or discount: The forward premium or discount is the difference between the one-year forward rate and the spot rate. In this case, the forward premium is 0.0058  (1.2803 - 1.2745).

Determine the profit: To calculate the profit, multiply the forward premium by the investment amount. In this case, for every $1 invested, you would earn approximately 0.60 cents (0.0058 * $1).
Please note that exchange rates and interest rates fluctuate, so the actual profit may vary.

To know more about interest visit:

https://brainly.com/question/30393144

#SPJ11

For every $1 invested over the next year, you can earn a profit of can$0.006 through covered interest arbitrage.

To determine the profit from covered interest arbitrage, we need to compare the returns from investing in Canada versus the returns from investing in the US. Covered interest arbitrage involves borrowing money at the lower interest rate and converting it into the currency with the higher interest rate.

First, let's calculate the profit in Canadian dollars. The one-year forward rate of can$1.2745 tells us that $1 will be worth can$1.2745 in one year. Therefore, by investing $1 in Canada at the risk-free rate of 4.8%, we will have can$1.048 after one year (can$1 * (1 + 0.048)).

Now, let's calculate the profit in US dollars. By investing $1 in the US at the risk-free rate of 4.2%, we will have $1.042 after one year ($1 * (1 + 0.042)).

The difference between the Canadian dollar profit and the US dollar profit is can$1.048 - $1.042 = can$0.006.

Learn more about profit :

https://brainly.com/question/32864864

#SPJ11

To test the null hypothesis that the mean of the population is 3 against the alternative hypothesis μ≠3, we can use a hypothesis test with a significance level α.

In hypothesis testing, we compare a sample statistic to a hypothesized population parameter. In this case, we want to determine if the mean of the population is significantly different from 3.

To conduct the test, we first collect a sample of data. Then, we calculate the sample mean and standard deviation.

We use these statistics to calculate the test statistic, which follows a t-distribution with (n-1) degrees of freedom, where n is the sample size.

Next, we determine the critical region based on the significance level α. For a two-tailed test, we divide α by 2 to get the critical values for both tails of the distribution.

Finally, we compare the test statistic to the critical values.

If the test statistic falls within the critical region, we reject the null hypothesis and conclude that the mean of the population is significantly different from 3.

Otherwise, if the test statistic falls outside the critical region, we fail to reject the null hypothesis.

To know more about hypothesis visit:

https://brainly.com/question/32562440

#SPJ11

Answer:

4.58 litres per hour

Step-by-step explanation:

To find the rate of water flow, we need to divide the amount of water that passed through the sponge by the time it took:

In this case, the amount of water that passed through the sponge is 110 litres and the time it took is 24 hours. So we can calculate the rate of water flow as:

Simplifying this, we get:

Therefore, the rate of water flow is 4.58 litres per hour.

________________________________________________________

The equation of the plane through the point (6, 0, 5) and perpendicular to the line x is y = 0.

To find the equation of a plane, we need a point on the plane and a normal vector perpendicular to the plane.
Given the point (6, 0, 5) and the line x, we need to find a vector that is perpendicular to the line x.
Since the line x is a one-dimensional object, any vector with components in the y-z plane will be perpendicular to it.

Let's choose the vector (0, 1, 0) as our normal vector.
Now, we can use the point-normal form of the equation of a plane to find the equation of the plane:
(x - 6, y - 0, z - 5) · (0, 1, 0) = 0
Simplifying, we get:
y = 0
Therefore, the equation of the plane through the point (6, 0, 5) and perpendicular to the line x is y = 0.

To know more about equation of the plane visit:

brainly.com/question/8927610

#SPJ11

The solution to the equation is s = 12.

To solve the equation 9 + s = 21, we need to isolate the variable "s" on one side of the equation.

First, we can start by subtracting 9 from both sides of the equation to get rid of the constant term on the left side. This gives us:

s = 21 - 9

Simplifying the right side, we have:

s = 12

So the main answer to the equation is s = 12.

Start with the equation 9 + s = 21.

To isolate the variable "s", subtract 9 from both sides of the equation.

9 + s - 9 = 21 - 9

This simplifies to:

s = 12

Therefore, the solution to the equation is s = 12.

In conclusion, to solve the equation 9 + s = 21, we subtracted 9 from both sides of the equation to isolate the variable "s". The answer to the equation is s = 12.

To know more about equation visit:

brainly.com/question/649785

#SPJ11

The z-score associated with a raw score of 68 is 1.8.

Given mean = 50 and standard deviation = 10.

Z-score is also known as standard score gives us an idea of how far a data point is from the mean. It indicates how many standard deviations an element is from the mean. Hence, Z-Score is measured in terms of standard deviation from the mean.

The formula for calculating the z-score is given as

z = (X - μ) / σ

where X is the raw score, μ is the mean and σ is the standard deviation.

In this case, the raw score is X = 68.

Substituting the given values in the formula, we get

z = (68 - 50) / 10

z = 18 / 10

z = 1.8

Therefore, the z-score associated with a raw score of 68 is 1.8.

Learn more about z-score visit:

brainly.com/question/31871890

#SPJ11

To know more about function visit:

https://brainly.com/question/30721594

#SPJ11

The area is 28 square feet.

The formula to find the area of a trapezoid is (base1 + base2) * height / 2. In this case, the base lengths are 6 feet and 8 feet, and the height is 4 feet. So, we can substitute these values into the formula.

Using the formula, we get:
Area = (6 + 8) * 4 / 2
      = 14 * 4 / 2
      = 56 / 2
      = 28 square feet

Therefore, the area of the trapezoidal tabletop is 28 square feet.

A trapezoid is a quadrilateral with one pair of parallel sides. The bases of a trapezoid are the parallel sides, and the height is the perpendicular distance between the bases. To find the area of a trapezoid, we multiply the sum of the bases by the height, and then divide by 2.

In this case, the sum of the bases is 6 + 8 = 14. Multiplying 14 by the height of 4 gives us 56. Dividing 56 by 2 gives us the final answer of 28 square feet.

Know more about trapezoid here:

https://brainly.com/question/31380175

#SPJ11

To find the number of ways to form a committee of 6 members with each class and major represented, we can consider each class and major separately.

Freshman Class:

There are 3 members in the freshman class: 1 engineer and 2 in CS. We need to choose 1 member from this class. Therefore, there are 3 options for the freshman representative.

Junior Class:

Similar to the freshman class, there are 3 members in the junior class: 1 engineer and 2 in CS. We need to choose 1 member from this class. Hence, there are 3 options for the junior representative.

Sophomore Class:

There are 3 members in the sophomore class: 2 engineers and 1 in CS. We need to choose 1 member from this class. Therefore, there are 3 options for the sophomore representative.

Senior Class:

Similarly, there are 3 members in the senior class: 2 engineers and 1 in CS. We need to choose 1 member from this class. Thus, there are 3 options for the senior representative.

Since we need to choose 6 members in total, we have 2 remaining spots to fill on the committee. From the remaining members, we can choose any 2 to fill these spots.

The number of ways to choose 2 members from the remaining 8 members (12 total members minus the 4 already selected) is given by the combination formula:

C(8, 2) = 8! / (2! * (8 - 2)!) = 8! / (2! * 6!) = (8 * 7) / (2 * 1) = 28

Therefore, the number of ways to have a committee of 6 members with each class and major represented is:

3 (freshman) * 3 (junior) * 3 (sophomore) * 3 (senior) * 28 (remaining members) = 3^4 * 28 = 3,528 ways.

To know more about number of ways visit:

https://brainly.com/question/30649502

#SPJ11

The probability that both jurors selected are female is 1/6. To calculate the probability that both jurors selected are female,.

We need to determine the number of favorable outcomes (two female jurors selected) divided by the total number of possible outcomes.

In this scenario, there are two female alternate jurors available out of a total of four alternates. Since we need to select two jurors, we can use combinations to calculate the number of possible outcomes.

The number of possible outcomes is given by selecting 2 jurors out of 4, which can be calculated as:

C(4, 2) = 4! / (2! * (4-2)!) = 6

Therefore, there are 6 possible outcomes.

Out of these possible outcomes, we are interested in the favorable outcome where both selected jurors are female. Since there are two female alternate jurors available, we can calculate the number of favorable outcomes by selecting 2 female jurors out of 2, which is:

C(2, 2) = 2! / (2! * (2-2)!) = 1

Therefore, there is 1 favorable outcome.

Now, we can calculate the probability:

Probability = Number of favorable outcomes / Number of possible outcomes

= 1 / 6

= 1/6

Thus, the probability that both jurors selected are female is 1/6.

Learn more about probability here:

https://brainly.com/question/32117953

#SPJ11

The mechanical license rate for a previously recorded song used in a film, but not released on a soundtrack varies based on the terms of the licensing agreement. Typically, the rate is negotiated between the music publisher and the producer of the film.

The rate is usually a percentage of the revenue earned by the film or a flat fee per unit of distribution. The rate may also depend on the length of the song, the prominence of the song in the film, and the popularity of the song.

In general, it is recommended to consult with a music licensing professional or an entertainment attorney to negotiate the mechanical license rate for using a previously recorded song in a film.

Know more about mechanical license rate here:

https://brainly.com/question/31141058

#SPJ11

The z-scores for the different values of random variable x;

(a) Z = 2.25

(b) Z = 1.50

(c) Z = -1.75

(d) Z = 3.25

(e) Z = -2.25

(f) Z = 3.50

We are given different values of x which is a random variable along with the values of the mean and the standard deviation. We have to calculate the z-score for the given values of x. We will use the following formula to calculate the z-score.

z = (x - μ)/σ

In all the parts we have;

μ = 23

σ = 4

(a)x = 32

z = (x - μ)/σ

z = (32 - 23)/4

z = 9/4 = 2.25

(b) x = 29

z = (x - μ)/σ

z = (29 - 23)/4

z = 6/4 = 1.50

(c) x = 16

z = (x - μ)/σ

z = (16 - 23)/4

z = 7/4 = -1.75

(d) x = 36

z = (x - μ)/σ

z = (36 - 23)/4

z = 13/4 = 3.25

(e)  x = 14

z = (x - μ)/σ

z = (14 - 23)/4

z = -9/4 = -2.25

(f)  x = 37

z = (x - μ)/σ

z = (37 - 23)/4

z = 14/4 = 3.50

Therefore, the z-scores will be;

(a) Z = 2.25

(b) Z = 1.50

(c) Z = -1.75

(d) Z = 3.25

(e) Z = -2.25

(f) Z = 3.50

To learn more about z-score;

https://brainly.com/question/30765368

#SPJ4

The complete question is "Suppose the random variable x is best described by a normal distribution with μ=23 and σ=4. Find the z-score that corresponds to each of the following x-values.

(a) x=32

z=

(b) x=29

z=

(c) x=16

z=

(d) x=36

z=

(e) x=14

z=

(f) x=37

z=                    "

To simplify the expression -4(-2-5)+3(1-4), we can apply the distributive property and then perform the indicated operations. The simplified expression is 19.

Let's simplify the expression step by step:

-4(-2-5)+3(1-4)

First, apply the distributive property:

[tex]\(-4 \cdot -2 - 4 \cdot -5 + 3 \cdot 1 - 3 \cdot 4\)[/tex]

Simplify each multiplication:

8 + 20 + 3 - 12

Combine like terms:

28 + 3 - 12

Perform the remaining addition and subtraction:

= 31 - 12

= 19

Therefore, the simplified form of the expression -4(-2-5)+3(1-4) is 19.

To know more about Expression visit-

brainly.com/question/14083225

#SPJ11

Using the formula to calculate the length of arcs, the approximate length of boundary ABCD is 23.1

The arc length is defined as the interspace between the two points along a section of a curve.

The formula for calculating arc length is :[tex]2\pi r*\frac{theta}{360}[/tex]

DC = 5

AB = 5

AD = [tex]2*\frac{22}{7} *5*\frac{30}{360} = 2.619[/tex]

BC = [tex]2*\frac{22}{7} *5*\frac{120}{360} = 10.4762[/tex]

Length of ABCD = AB + BC +CD + AD = 23.1

Learn more about arc length here

https://brainly.com/question/31762064

#SPJ4

The sum of the first 47 terms of the series is 6144.

To find the sum of the first 47 terms of the series, we need to identify the pattern and use the formula for the sum of an arithmetic series.

The given series starts with 13 and increases by 5 each time. So, the common difference is 5.

The formula for the sum of an arithmetic series is:
Sum = (n/2) * (2a + (n-1)d)

where:
- n is the number of terms
- a is the first term
- d is the common difference

In this case, n = 47, a = 13, and d = 5.

Using the formula, we can calculate the sum as follows:
[tex]Sum = (47/2) * (2 * 13 + (47-1) * 5)   \\ = (47/2) * (26 + 46 * 5)   \\ = (47/2) * (26 + 230) \\   = (47/2) * 256  \\  = 24 * 256   \\ = 6144[/tex]

Therefore, the sum of the first 47 terms of the series is 6144.

To know more about increases visit:

https://brainly.com/question/33491846

#SPJ11

To solve a linear system using Gaussian elimination, we need the specific set of linear equations and the number of unknowns in the system.

To write the corresponding set of linear equations for the system, we need more specific information about the system itself.
Without that information, it is not possible to determine the number of unknowns in the system or provide the specific equations.

However, I can explain the general process of using Gaussian elimination to solve a linear system.

Gaussian elimination is a method used to solve a system of linear equations by transforming the system into an equivalent system that is easier to solve.

It involves applying a sequence of elementary row operations to the augmented matrix representing the system.

These operations include swapping rows, multiplying a row by a nonzero constant, and adding a multiple of one row to another row.

The process of Gaussian elimination continues until the augmented matrix is transformed into row-echelon form or reduced row-echelon form.

At this point, the system can be easily solved using back substitution or by reading the solutions directly from the matrix.

If the system has more equations than unknowns, it may have infinitely many solutions.

In this case, we introduce free parameters (such as r, s, t) to represent the variables that can take any value.

To know more about elimination visit:

https://brainly.com/question/32193223

#SPJ11

Rihanna will walk next year if she walks for 7 hours at the same speed, we need to know her walking speed. Let's assume her walking speed is 3 miles per hour.

To find the total distance, we can multiply the speed (3 miles per hour) by the time (7 hours):
3 miles/hour × 7 hours = 21 miles
Therefore, if Rihanna walks for 7 hours at the same speed next year, she will walk 21 miles.
It's important to note that this calculation assumes Rihanna maintains a consistent walking speed throughout the entire duration of 7 hours. If her speed changes, the total distance she covers would be different.

Remember, this answer is based on the assumption that Rihanna walks at a speed of 3 miles per hour. If her walking speed is different, the result would change accordingly.
To know more about walking speed visit:

https://brainly.com/question/13790976

#SPJ11

To find the radius and interval of convergence for a series, use the ratio test. Determine absolute convergence by finding values of x for which the series converges regardless of an's sign, and conditional convergence by considering the sign of an.

To find the radius and interval of convergence for a series, we can use the ratio test. Let's denote the given series as ∑(an * x^n).

(a) To find the series' radius of convergence, we apply the ratio test: lim┬(n→∞)⁡(a_(n+1) * x^(n+1)|/|a_n * x^n).

If the limit is less than 1, the series converges absolutely. If the limit is greater than 1, the series diverges. If the limit is equal to 1, the test is inconclusive.

(b) For absolute convergence, we need to find the values of x for which the series converges regardless of the sign of an. Once we find the interval of convergence, we need to check the endpoints to see if the series converges at those points.

(c) For conditional convergence, we need to find the values of x for which the series converges when the sign of an is considered. In other words, the series converges conditionally if it converges but not absolutely.

Unfortunately, you have not provided the specific series for which you want to find the radius and interval of convergence. Please provide the series, and I will be able to assist you further.

To know more about convergence for a series Visit:

https://brainly.com/question/31789859

#SPJ11

The coordinates of point e are (2/70, -4/35).

To find the weight of point e, we need to use the concept of weighted averages. The weighted average formula is given by:

Weighted average = (weight1 * value1 + weight2 * value2 + ... + weightn * valuen) / (weight1 + weight2 + ... + weightn)

Given that p = (1/10, -2/5), f has a weight of 2, and g has a weight of 5, we can find the weighted average of the coordinates of p.

The weighted average for the x-coordinate of p is calculated as:
(2 * (1/10) + 5 * 0) / (2 + 5) = (2/10) / 7 = 2/70

The weighted average for the y-coordinate of p is calculated as:
(2 * (-2/5) + 5 * 0) / (2 + 5) = (-4/5) / 7 = -4/35

Therefore, the coordinates of point e are (2/70, -4/35).

In conclusion, the weight of point e is not provided in the question. The given information only includes the weights of points f and g.

To know more about weighted averages visit:

brainly.com/question/28334973

#SPJ11

The player's batting average is 0.333.

The baseball player's batting average is found by dividing the number of hits by the number of times at bat. This number is then rounded to the nearest thousandth.

The question states that Cole Becker was at bat nine times with three hits.

To determine the player's batting average, divide the number of hits by the number of times at bat. A calculator can be used to compute this, and the result can be rounded to the nearest thousandth.

Batting Average = Number of hits/Number of times at bat

Batting Average = 3/9

Batting Average = 0.33333333...

Rounded to the nearest thousandth, the player's batting average is 0.333.

Learn more about average visit:

brainly.com/question/24057012

#SPJ11