Which of the following numbers are irrational numbers.

Answer:

10 (D)

Step-by-step explanation:

do the Pythagorean theorem

The statistical method used to predict the values of one numerical variable based on the values of another is regression analysis.

Regression analysis:

Regression analysis is a statistical method that shows the relationship between two or more variables. Usually expressed in a graph, the method tests the relationship between a dependent variable against independent variables.

Regression analysis is used to estimate the relationship between a dependent variable and one or more independent variables.

The common form of regression analysis is linear regression. Regression analysis allows us to infer that there is a relationship between two or more variables.

Therefore regression method is used to predict values of one numerical on another.

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Answer:

3.2

Step-by-step explanation:

Answer:

On a coordinate plane, a point is 3 units to the left and 5 units up. Another point is 4units to the right and 3 units down

Step-by-step explanation:

The coordinate plane is a plane formed from the intersection of the x axis (horizontal line) and y axis (vertical line). The point of intersection of these axis is known as the origin. A point can be represented on the coordinate plane using the x and y coordinates.

The x axis is to the left and right of the origin, negative points are to the left of the origin while positive points are to the right of the origin. The y axis is to the up and down of the origin, negative points are to the down of the origin while positive points are to the up of the origin.

A point in the coordinate plane is represented as (x, y).

The location of point (-3,5) is 3 units to the left and 5 units up while point (4, -3) is 4units to the right and 3 units down

The 9th term of the given sequence is 78732.

The given sequence is 12, 36, 108... is a geometric sequence with a common ratio of 3.To find the 9th term of the given sequence, we will use the formula for the nth term of a geometric sequence, which is given by:

aₙ = a₁rⁿ⁻¹

Here, a₁ = 12 and r = 3.

Therefore, the formula for the nth term becomes:

aₙ = 12(3)ⁿ⁻¹

Now, we need to find the 9th term of the sequence. Hence, n = 9. Substituting the values of a₁ and r, and n in the formula, we get:

a₉ = 12(3)⁹⁻¹= 12(3)⁸= 12(6561)= 78732

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Answer:

24024

Step-by-step explanation:

14! / 10!

14 × 13 × 12 × 11 × 10! / 10!

14 × 13 × 12 × 11

24024

Answer:

Step-by-step explanation 14! / 10!

14 × 13 × 12 × 11 × 10! / 10!

14 × 13 × 12 × 11

24024

3/5 or 60% of the prism's volume will be filled with sand.

The volume of each cube is e³ = 5³ = 125 cubic centimeters.

Since the rectangular prism is made up of two cubes, its volume is 2e³ = 2(125) = 250 cubic centimeters.

If Arusha fills the prism with 150 cubic centimeters of sand, the fraction of the prism's volume that will be filled with sand is:

150/250 = 3/5

Therefore, 3/5 or 60% of the prism's volume will be filled with sand.

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Answer:

45

Step-by-step explanation:

Step 1. 120+60=180

Step 2. 120-180=-60

Step 3. 180 divded by 4

Answer:

17 liters of pink lemonade

Answer: 30.36

Step-by-step explanation:

92% of 33 is 30.36. I don't know how Bella got 30.36 questions correct, but that is what I got.

Answer:

B. 64

If write sequence in order

3 6 12 24 48 96 196

it's very clear each sequence got multiplied by 2 to obtain other element

It seems you havent posted a graph

Answer:

-53/12

Step-by-step explanation:

-7 2/3=-23/3

-5 1/2=-11/2

8 3/4=35/4

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

-23/3+(-11/2)+35/4

-23/3-11/2+35/4

-92/12-66/12+105/12

-53/12

Answer:

- 4 5/12

Step-by-step explanation:

- 7 2/3 + (-5 1/2) + 8 3/4

-7 2/3 - 5 1/2 + 8 3/4

-7 4/6 - 5 3/6 + 8 3/4

-13 1/6 + 8 3/4

-13 2/12 + 8 9/12 = -4 5/12

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

The type of sytudy that we have here is the observational study.

In an observational study, the researcher observes and analyzes data from individuals without actively intervening or manipulating any variables.

In this case, the researcher is observing and comparing the health outcomes of two groups of individuals: those who have eaten a vegan diet for the past five years and those who have not.

The participants are not randomly assigned to the groups, and the researcher does not actively control or manipulate the diet of the individuals.

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Answer:

Slope is undefined.

Step-by-step explanation:

-3-2

——

4-4

Anything with the x value as zero is undefined.

Answer:

unidentified slope of 0

Step-by-step explanation:

Use the slope formula: \(\frac{y2-y1}{x2-x1}\)

2 is y2, -3 is y1, 4 is x2, and 4 is x1.

\(\frac{2-(-3)}{4-4}\)

\(\frac{2+3}{0}\)

\(\frac{5}{0} =0\)

The slope is 0. That means the slope is unidentified. I hope this helps!

Answer:

c. dP/dt = (1/5)P

Step-by-step explanation:

Given that the rate of change of population with respect to time dP/dt is directly proportional to the population, P, we have

dP/dt ∝ P

dP/dt = kP

Given that dP/dt = 2 million insects per day and P = 10 million insects after 5 days, So,

2 = k × 10

k = 2/10

k = 1/5

So, dP/dt = kP

dP/dt = (1/5)P

The option C is correct

The rate of change of a function with respect to the given variable.

The rate of change of population with respect to time is directly proportional to the population P. We have

\(\dfrac{\mathrm{d} P}{\mathrm{d} t} \propto P\\\\\dfrac{\mathrm{d} P}{\mathrm{d} t} = kP\)

\(\dfrac{\mathrm{d} P}{\mathrm{d} t}\) is 2 million insects per day and P = 10 million insects after 5 days. So

\(\begin{aligned} \dfrac{\mathrm{d} P}{\mathrm{d} t} &= kP\\2 &= 10k\\k &= \dfrac{1}{5} \\\end{aligned}\)

Then

\(\dfrac{\mathrm{d} P}{\mathrm{d} t} = kP\\\\ \dfrac{\mathrm{d} P}{\mathrm{d} t} = \dfrac{1}{5} P\)

Thus, option C is correct.

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Answer:

B

Step-by-step explanation:

i might be wrong if i am my bad

The value of x in the equation 4 x plus 8 y equals 40 is 8.4

The equation is given as:

4 x plus 8 y equals 40

Rewrite the equation as:

4x + 8y = 40

The value of y is 0.8.

So, we have:

4x + 8 * 0.8 = 40

Divide through by 4

x + 2 * 0.8 = 10

Evaluate the product

x + 1.6 = 10

Subtract 1.6 from both sides

x = 8.4

Hence, the value of x in the equation 4 x plus 8 y equals 40 is 8.4

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Answer:

1/5

Step-by-step explanation:

-2/5 - (-9/15) make like denominators

-6/15 - (-9/15) negative and negative make positive

-6/15 + 9/15 solve

3/15 simplify

1/5

Answer:

The loss is $4600.

Step-by-step explanation:

The par value of the bonds = $210400

The carrying value of the bonds or the actual value of bonds = $218600

The company calls the bonds at the price = $214000

Now have to find the gain or loss from the given information. Thus, below is the calculation to find the gain or loss.  

Loss or gain on retirement = $214,000 - $218,600 = -$4,600

Thus the loss on retirement is $4600.

A customer has 4 x 2 x 3 = 24 different car models to choose from if the customer can choose one type of audio system, one style of roof, and one type of seat cover.

The total price of a $6.89 item plus 6% sales tax is $7.3043.

The percentage is calculated by dividing the required value by the total

value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Cost of an item = $6.89

Sales tax = 6%

This means,

Sales tax amount.

= 6/100 x 6.89

= 0.4143

Now,

The total amount of the item.

= 6.89 + 0.4143

= $7.3043

Thus,

The total price plus 6% sales tax is $7.3043.

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Answer:

Multiply how much Ken gets paid by 20.

He gets paid $10per hour to make a

He gets paid $100per hour to make b

He gets paid $1per hour to make c

good luck, i hope this helps :)

The box-and-whisker plot that displays the five-number summary of the given data is: option B.

A box-and-whisker plot displays the five-number summary of a data, which includes, the min and max values, medain, upper and lwoer quartiles.

To draw a box-and-whisker plot, find the five-number summary of the data, 31, 12, 8, 25, 23, 17, 20, 13:

Therefore, the box-and-whisker plot that displays the five-number summary of the given data is: option B.

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The mean of the test is 20.

To determine the mean of the test, we need to use the information provided about the scores falling above the mean in terms of standard deviations.

Let's denote the mean of the test as μ, and the standard deviation as σ.

We are given that a score of 29 falls three standard deviations above the mean, so we can write this as:

29 = μ + 3σ

Similarly, we are told that a score of 23 falls one standard deviation above the mean, which can be expressed as:

23 = μ + σ

Now we have a system of two equations with two variables (μ and σ). We can solve this system of equations to find the values of μ and σ.

From the second equation, we can isolate μ:

μ = 23 - σ

Substituting this value into the first equation, we have:

29 = (23 - σ) + 3σ

Simplifying the equation, we get:

29 = 23 + 2σ

2σ = 29 - 23

2σ = 6

σ = 3

Substituting the value of σ back into the second equation, we find:

μ = 23 - 3

μ = 20

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Answer:

The answer is "\(\bold{\frac{343 \ \pi}{24} \ \text{cubic units}}\)"

Step-by-step explanation:

The volume of the mass whose cross-sectional area has been perpendicular is usually sliced by the method The cross-section, which is based to parallel to y-axis;  

\(V = \int_{a}^{b} A (x)dx\)

The semi-circular segment of the strong and seems to be perpendicular to foundation and  

Y-axis parallel.  

Its cross-section does have a diameter of: \((7-x)\).  

It also transverse radius is: \(\frac{1}{2}(7-x)\).  

The semi-circular segment area is,

\(Formula: \\\\ A(x)=\frac{1}{2} \times \pi \times r^2\)

        \(=\frac{1}{2} \times \pi \times (\frac{(7-x)}{2})^2\\\\=\frac{1}{2} \times \pi \times (\frac{(7-x)^2}{4})\\\\=\frac{1}{8}\pi(7-x)^2\\\)

when

\(0 \leq \ x \ \leq 7\)

Calculating the volume from the solid accordingly:

\(V= \int_{0}^{7}\frac{1}{8} \times\pi \times (7-x)^2 dx\)

   \(= \frac{1}{8} \pi \int_{0}^{7}(7-x)^2 dx \\\\= \frac{1}{8} \pi [\frac{(7-3)^3}{-3}]_{0}^{7}\\\\= \frac{\pi}{24} \times [7^3-0]\\\\= \frac{\pi}{24} \times 343\\\\= \frac{343 \pi}{24} \\\)

The expression for the total amount of sales the store makes will be:25s + 28.8p

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both.

From the information, the shoe store stocks x pair of sneakers and y pairs of sandals. During a promotion, a pair of sneakers is priced at $50 and a pair of sandals at $36. The shop manages to sell half the sneakers and 80% of the sandal.

Let sneakers = s

Let sandals = p

An expression for the total amount of sales the store makes will be: 1/2(50s) + 0.8(36p).

= 25s + 28.8p

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