Convert an area 75000m2 to hectares​

8000 + 300 + 70 + 4 + 0.2 + 0.01

The world record for memorizing and reciting the most digits of pi is held by Rajveer Meena from India. He recited 50,000 decimal places of pi in 2020, which is the current recognized world record.

Pi (π) is a mathematical constant that represents the ratio of a circle's circumference to its diameter. It is an irrational number, which means it cannot be expressed as a finite decimal or a fraction. The decimal representation of pi is non-repeating and goes on indefinitely without a pattern. The value of pi is approximately 3.14159, but it is commonly approximated as 3.14 for simplicity in mathematical calculations. However, the exact value of pi has been calculated to trillions of digits using various computational methods. The quest to calculate more digits of pi continues to this day, and the computation of pi serves as a benchmark for testing the performance of supercomputers and computational algorithms. The current record for calculating the most digits of pi is trillions of digits, achieved through the use of powerful computers and advanced algorithms.

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Answer:

D) (5x - 3) (25x^2+ 15x + 9)

Step-by-step explanation:

\(125 {x}^{3} - 27 \\ \\ = ( {5x)}^{3} - {(3)}^{3} \\ \\ = (5x - 3) \{(5x) ^{2} + 5x \times 3 + ( {3})^{2} \}\\ \\ = (5x - 3) \{25 {x}^{2} + 15x + 9\}\)

Answer:

-6.8

Step-by-step explanation:

To find the mean, you add all the numbers together, then divide that number by the amount of numbers there were, so:

-9 + -9 + -3 + -6 + -7 = -34

-34/5 = -6.8

Yoooo, if you gave me brainliest that would be pretty pog. Because as it turns out, only a small percentage of the people I answer actually give me brainliest. I'm trying to get Virtuoso by the end of the day, and you giving me brainliest would really help out. Also while you're at it leave a thanks and a 5-star rating to help boost this answer in the brainly algorithm.

Answer:

13/4 or 3.25

Step-by-step explanation:

Since they are vertical angles, they are equal to each other. Thus, set the two equations together:

8x + 32 = 12x + 19

Isolate x

32 = 12x + 19 - 8x = 4x + 19

32 - 19 = 4x

4x = 13

4x/4 = 13/4 = 3.25

Answer:

The bottom most option

Step-by-step explanation:

Lets divide 3 2/5 and 3 1/6

3 2/5 = 17/5 and 3 1/6 = 19/6

17/5/(19/6) = 17/5  x 6/19 = 102/95 = 1 7/95 or the last option.

Pls mark as brainliest for no real reason. Cheers

The correct answer is: b. Quantitative, because numerical values, found by either measuring or counting, are used to describe the data.

The variable "Happiness after graduation (on a scale of 1 to 10)" represents a quantitative variable. The scale of 1 to 10 assigns numerical values to measure the level of happiness reported by individuals. The use of numerical values indicates a quantitative variable, as the responses are quantified on a numerical scale.

The data collected from individuals are numerical measurements that can be analyzed and compared using mathematical operations such as averaging, calculating the range, and performing statistical analyses. Additionally, the scale from 1 to 10 implies an ordinal level of measurement, where the values have an inherent order or ranking. This allows for comparisons between different levels of happiness, identifying higher or lower ratings on the scale.

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The equation of the paraboloid in cylindrical coordinates is z = 9 + r^2 and the equation of the cylinder in cylindrical coordinates is r = sqrt(5).

In cylindrical coordinates, the paraboloid \(z = 9 + x^2 + y^2\)has the equation \(z = 9 + r^2\), where r is the radius in the xy-plane, and the cylinder \(x^2 + y^2 = 5\) has the equation r = \(\sqrt(5),\) where r is the distance from the z-axis to the cylinder's surface.

To evaluate the integral, we first need to set up the limits of integration in cylindrical coordinates. The limits for r are from 0 to \(\sqrt(5),\) and the limits for theta are from 0 to 2pi. The limits for z are from 0 to \(9 + r^2\), which is the equation of the paraboloid.

Using these limits, the integral to evaluate is:

∫∫∫ E dz dr dθ

= ∫ from 0 to 2π ∫ from 0 to \(\sqrt({5})\) ∫ from 0 to \(9 + r^2\)dz r dr dθ

Simplifying this integral gives:

= ∫ from 0 to 2π ∫ from 0 to \(\sqrt(5)\) \((9 + r^2)\) r dr dθ

Evaluating this integral gives the answer:

= 192π/5

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Please refer to the attached image of this answer. Also you don't have to color the dot plots

Answer:

103

Step-by-step explanation:

Power of x arranged in ascending order (2x 3−3x−4)(x 2−1) = 2x^5 - 5x³ - 4x² + 3x + 4

The given expression is:(2x³ - 3x - 4) (x² - 1)

Expanding this expression by distributive law and collecting like terms :=(2x³ - 3x - 4) (x² - 1)

                                                                                                                       = 2x³ (x²) - 3x (x²) - 4 (x²) - 2x³ (1) + 3x (1) + 4 (1)

                                                                                                                       = 2x^5 - 3x³ - 4x² - 2x³ + 3x + 4

Rearranging the terms in ascending power of x, we get:= 2x^5 - 5x³ - 4x² + 3x + 4

The required solution is 2x^5 - 5x³ - 4x² + 3x + 4, and it is arranged in ascending power of x.

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Answer:

$21.50

Step-by-step explanation:

We want to find Anthony's pay for 43 hampers.

We can multiply his pay per hamper by the number of hampers picked.

pay per hamper * hampers picked

He earns $0.50 for each hamper and he picked 43 hampers. Therefore, we can multiply $0.50 and 43 to find his pay for the day.

$0.50 * 43

$21.5 = $21.50

Anthony's total pay that day is $21.50.

Laurel can choose from 320 different combinations of flower type, vase, and ribbon color to create her bouquet.

To calculate the possible combinations of flower type, vase, and color that Laurel can choose from, we need to use the multiplication principle of counting. This principle states that the total number of possible outcomes is equal to the product of the number of choices for each category.
So, for the flowers, there are eight different types to choose from. For the vases, there are four different options. And for the ribbon, there are 10 different colors to choose from.
Therefore, the total number of possible combinations is:
8 x 4 x 10 = 320

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We would employ the technique of comparing proportions from dependent samples to draw conclusions about whether the proportion of students who have known a cancer survivor is representative of all students at the university.

The presented scenario compares the proportion of university students who have knowledge about cancer survivors to the percentage of all university students. The proper procedure for drawing conclusions would be to compare proportions from dependent samples because the same set of students is being polled (dependent samples).

In order to do this research, the study would gather information from a random sample of students and calculate the percentage of those students who knew a cancer survivor. This percentage would be contrasted with the anticipated percentage of all university students who had known a cancer survivor. We may draw conclusions about the total student body at the university by using statistical tests, such as the McNemar's test, to see if the observed proportion in the sample differs significantly from the expected proportion.

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Complete Question: A University of Florida study asks a random sample of students if they have ever known someone that was a cancer survivor. We want to extend the results to all students at the university. In this problem, we want to make inferences about:

a. comparing proportions from dependent samples

b. comparing proportions from 2 independent samples

c. comparing means from 2 independent samples

d. one mean

e. comparing means from dependent samples

f. one proportion

Answer:

to me, i would say 2

Step-by-step explanation:

Hello!

45% of x = 7.2

45x/100 = 7.2

45x = 7.2 * 100

45x = 720

x = 720/45

x = 16

the number = 16

Answer:

Ariana is correct.

Step-by-step explanation:

56 - 11 min to warm up = 45 mins of running

9 min per mile*5 miles = 45 mins of running

Ariana is correct because of the work shown above.

Hope this helps!

Answer:

The answer is C. n = 3

Step-by-step explanation:

I got this answer by using the butterfly method. I multiplied 3 and 2 and got 6. Then take 6 and divide it by 2 and you get 3.

So therefore, n = 3

Please mark brainliest if this helped.

Answer: C n=3

Step-by-step explanation:

First croas multiply the 2 and 3 to get one side

then you multiply 2n and move it to the other side so it can equal

2n=6  

2n/2=6/2

n=3

Let x represent the age of a person.

From the information given, a person must be at least 2 years old. This means that the person must be greater than or equal to 2 years. The inequality symbold representing greater than or equal to is '≥'

Thus, the inequality is

x ≥ 2

The graph would be a vertical line passing through x = 2 and the shaded area would be to the right of the line. The line would be solid, indicating that the points on the line are inclusive. Thus, the correct graph is

Answer:

x=3

Step-by-step explanation:

3x-5x+25= 5x+4

-2x+25=5x+4

+2x.      +2x

25=7x+4

-4.      -4

21=7x

/7. /7

3=x

Hopes this helps please mark brainliest

Answer:

Step-by-step explanation:

3x - 5(x -5) = - 3 + 5x + 7

3x - 5x + 25 = 4 + 5x

3x - 5x -5x = 4 - 25

-7x = -21

x = -21 : (-7)

x = 3

Answer:

0.5(5 × 10) - 1

Step-by-step explanation:

((5 × 10) × 0.5) - 1

((50) × 0.5) - 1

25 - 1

24

None of the above is accurate.

Cross-price elasticity of demand is a calculation of how the amount of an item bought responds to changes in the cost of another item. If the value is greater than zero, the products are substitutes, whereas if it is less than zero, they are complements. If the cross-price elasticity of demand is 0, the products are considered unrelated. Since the value of cross-price elasticity of demand between goods X and Y is 2.00, the two products are considered substitutes.

On the other hand, because the cross-price elasticity of demand between goods X and Z is −1.32, these two products are considered complements. None of the other choices is accurate. A positive cross elasticity means that the two items are substitutes. They have a positive relationship in which a change in the cost of one item causes a change in the demand for the other item in the same direction.

In contrast, if the cross-price elasticity is negative, the two goods are complements. This indicates that a change in the cost of one item causes a change in the demand for the other item in the opposite direction, which is what occurred between goods X and Z in this case. Because the products are substitutes and complements, respectively, alternatives A, B, C, and D are all incorrect.

Therefore, the answer is option E, which indicates that none of the above are accurate.

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The process of making estimates and drawing conclusions about one or more characteristics of a population through analysis of sample data drawn from the population is known as statistical inference.

Inferential statistical analysis infers attributes of a population, for instance by testing hypotheses and generating estimates. Statistical inference is the process of employing data analysis to infer properties of an underlying probability distribution. The observed data set is thought to be a sample of a broader population. Comparable to descriptive statistics is inferential statistics. The focus of descriptive statistics is exclusively on the characteristics of the observed data; it is not predicated on the idea that the data are representative of a wider population. In machine learning, the phrase "create a prediction by evaluating an already trained model" is commonly used instead of "infer." Statistical inference uses data that has been sampled from a population to make claims about that population.

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So, the correct simplification for the expression (3x^3 y^4 z^4) (2x^3 y^4 z^2) is option d: 6x^6 y^8 z^6.

What is simplification?

To simplify simply means to make anything easier. In mathematics, simplifying an equation, fraction, or problem means taking it and making it simpler. Calculations and problem-solving techniques simplify the issue.

The given equation is -

(3x^3 y^4 z^4) (2x^3 y^4 z^2)

On simplification -

=[3·2(x^3+3)(y^4+4)(z^4+2)]

=6x^6y^8z^6

Therefore, the value obtained is 6x^6y^8z^6.

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The recurrence relation that describes the sequence A(n) = n² - n is A(n) = A(n-1) + 2n - 1, for n > 1, with the initial condition A(1) = 0.

To determine the recurrence relation for the given sequence A(n) = n² - n, we need to find a formula that relates A(n) to the previous term A(n-1).

Let's consider the formula for A(n):

A(n) = n² - n.

Now, let's substitute n with (n-1) in the formula to find A(n-1):

A(n-1) = (n-1)² - (n-1) = n² - 3n + 2.

To find the recurrence relation, we subtract A(n-1) from A(n):

A(n) - A(n-1) = (n²- n) - (n² - 3n + 2) = 2n - 1.

We observe that the difference between consecutive terms is always 2n - 1. Therefore, the recurrence relation for the sequence A(n) = n^2 - n can be expressed as A(n) = A(n-1) + 2n - 1, for n > 1.

In addition, we have the initial condition A(1) = 0, which represents the base case for the recurrence relation.

By utilizing this recurrence relation and the initial condition, we can generate the sequence A(n) = n²- n for any value of n.

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