The diameter of a circle is given. Find the radius and circumference to the nearest hundredth.
Thank youu

Answer:

y=2/1+7

Step-by-step explanation:

Answer:

Commas

Step-by-step explanation:

Because it would make the reader pause and it's just adding more information to the text giving the reader more understanding

Mathematics is a discipline that has a long and rich history. It has evolved over time from simple counting and measuring to a broad and complex subject that is used in many fields. The development of mathematics has been driven by the need to solve practical problems, as well as the desire to understand the underlying patterns and structures of the world around us.

Early forms of mathematics, such as counting and measuring, were developed by ancient civilizations to solve practical problems such as trade, construction, and agriculture. These early forms of mathematics were based on empirical observations and were often tied to the physical world.

As mathematics developed, it began to include more abstract concepts such as numbers, geometry, and algebra. These abstract concepts allowed for the development of more complex mathematical techniques and the ability to solve a wider range of problems.

Today, mathematics is used in a wide range of fields including science, engineering, economics, and even art. It is an essential tool for understanding and solving problems in the world around us.

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Answer:

8.36

Step-by-step explanation:

67 - 1

8. 82

= 2747 - 4

328

=2743

328

= 8.36

The total measurements of the roof in square feet as required to be determined in the task content is; 2649 ft².

It follows from the task content that the total area of the roof as given in the task content is to be determined.

On this note, the area of the roof is the total area of the 71ft by 39 ft rectangle minus the area of the shaded region with dimensions 15 ft by 8 ft.

Therefore;

Area = (71 × 39) - (15 × 8)

= 2649 ft².

Ultimately, the total area measure of the roof in square feet is; 2649 square feet.

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The volume of the three-dimensional figure is 3.75 yd³, and it can hold 7500 pounds of soil

Volume is the amount of space occupied by a three dimensional shape or object.

The volume of the three dimensional shape is:

Volume = length * width * height = 1 1/4 * 1 1/2 * 2 = 3.75 yd³

1 yd³ = 2000 pounds

3.75 yd³ = 2000 pounds * 3.75 yd³ = 7500 pounds

The volume of the three-dimensional figure is 3.75 yd³, and it can hold 7500 pounds of soil

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We have that if a person purchases the $2 dollar membership, then the rate of renting the games is $0.5 for each game. Then, if 'x' is the number of games rented and 'y' is the total cost for renting games, the equation for renting games with membership is:

then, for the case where a person rent games without a membership, we have the following equation:

Now, we can graph the equations by using the values y=0 and x=0 to get to points, and then draw the line that goes through them. Then, we have the following for the first equation:

for the second equation we have to make x=4 and y = 0 to get the following points:

then we have the following lines:

notice that the lines have the intersection point (8,6)

Answer:

A

Step-by-step explanation:

\( \frac{6}{11} = \frac{84}{?} \\ = 154\)

Answer:

12

Step-by-step explanation:

a general linear function can be written as

y= mx +b

where "m" is the pendient and "b" it's the point where the funcion has x=0

so u have to solve your ec. for y

\(6x + by = k\)

\(by = - 6x + k\)

\(y = - \frac{6}{b}x + \frac{k}{b} \)

if u see your graph, when x=0 the function's value is 1, so k/b= 1, then k=b

then if we know b , we know k

as I said, m is the pendient, in this case -(6/b) is the pendient

As u may know, the pendient equals tan(alpha)

in this case alpha its the angle between the positive x axis and the function (the big one), we dont have that angle in a triangle to know its tangent, but we have (180-alpha) the littleone, and its tangent is 1/2 (see your graph)

so, for redunction to the first quadrant we have that

\( \tan( \alpha ) = - \tan(180 - \alpha ) = - \frac{1}{2} \)

then,

\( - \frac{6}{b} = - \frac{1}{2} \)

b=12

k=12

The value of k if the equation of the line drawn is 6x + by = k will be 12.

A general linear function can be written as; y= mx +b, where "m" is the pendient and "b" it's the point where the funcion has x=0

Given that;

6x + by = k

by = k - 6x

y = k/b - 6x/b

When x=0 the function's value is 1, thus, k/b= 1, then k=b

In this case -(6/b) is the pendient

The angle between the positive x axis and the function (the big one), we dont have that angle in a triangle to know its tangent, but we have (180-alpha) the littleone, and its tangent is 1/2.

then,

-6/b = -1/2

b=12

k=12

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Answer:

(0,1)

Step-by-step explanation:

the answer is (0,1)

The steps to visualize Newton's Method by using Matplotlib and PIL is mentioned below.

In calculus, the derivative is a fundamental concept that describes how a function changes with respect to its input variable. More specifically, the derivative of a function represents the instantaneous rate of change of the function at a particular point.

Geometrically, the derivative can be interpreted as the slope of the tangent line to the graph of the function at a specific point. If the derivative is positive, the function is increasing at that point; if it is negative, the function is decreasing. A derivative of zero indicates that the function has a stationary point at that location.

To create visualizations of Newton's Method, you will need to use a programming language like Python and some libraries such as Matplotlib, PIL, and NumPy.

Here are some steps you can follow:

By following these steps, you can create interesting visualizations of Newton's Method and explore the properties of this powerful numerical method.

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The meaning of the point with an x-coordinate of 2 is in 2 seconds, the commuter travels 120 feet.

An equation is an expression that shows the relationship between two or more numbers and variables.

Independent variables represent function inputs that do not depend on other values, while dependent variables represent function outputs that depends on other values.

From the graph, the x coordinate 2, have a y coordinate of 120. Hence:

The meaning of the point with an x-coordinate of 2 is in 2 seconds, the commuter travels 120 feet.

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To move Point A(-5, -2) to Quadrant IV, we need to apply one or more transformations that result in a reflection about the x-axis and/or a rotation of 180 degrees. The following transformations would move Point A to Quadrant IV:

Reflection about the x-axis: This transformation would change the sign of the y-coordinate, making it positive. So, the image of A after this transformation would be (−5, 2).

Rotation of 180 degrees about the origin: This transformation would change the sign of both the x and y-coordinates, making them positive. So, the image of A after this transformation would be (5, 2).

Therefore, either a reflection about the x-axis or a rotation of 180 degrees would move Point A to Quadrant IV.

47.17 feet is the height of the building.

We can use the Pythagorean theorem to solve the problem:

Let h be the height of the building.

Then we have a right triangle with legs 20 and h, and a hypotenuse 50.

Using the Pythagorean theorem, we have:

\(50^2 = 20^2 + h^2\)

Simplifying and solving for h, we get:

\(h = \sqrt{(50^2 - 20^2)\)

h ≈ 47.17 feet (rounded to two decimal places)

Therefore, the height of the building is approximately 47.17 feet.

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Answer: 14, 000 pounds

Step-by-step explanation:

Answer:

14000 POUNDS

= 1 TON = 2000 POUNDS

= 7 TON = 2000 X 7 = 14000 POUNDS

(HOPE IT HELPS U. PLS MARK IT AS A BRAINLIEST)

Answer:

$280

Step-by-step explanation:

7•40=$280

side length 2 km and slant height 2 km.

the surface area of the pyramid.

area of 4 triangle= 1/2 × 2 × 2 × 4

= 8km

area of rectangle= 2×2

= 4km

area= 4+8

= 12km

so, the surface area of the pyramid is 12km.

Answer:

4021.2ft

Step-by-step explanation:

C=pi•d

C=3.14•160

C=502.65

502.65•8= 4021.2

To calculate the standard deviation of the lengths, we can follow these steps:

Calculate the mean (average) of the lengths.

Calculate the difference between each length and the mean.

Square each difference.

Calculate the average of the squared differences.

Take the square root of the average of the squared differences to obtain the standard deviation.

Let's perform these calculations using the given data:

Lengths: 5.2, 6.6, 3.5, 8.9, 7.5, 7.3

Step 1: Calculate the mean:

Mean = (5.2 + 6.6 + 3.5 + 8.9 + 7.5 + 7.3) / 6 = 38 / 6 = 6.3

Step 2: Calculate the difference between each length and the mean:

5.2 - 6.3 = -1.1

6.6 - 6.3 = 0.3

3.5 - 6.3 = -2.8

8.9 - 6.3 = 2.6

7.5 - 6.3 = 1.2

7.3 - 6.3 = 1

Step 3: Square each difference:

(-1.1)^2 = 1.21

(0.3)^2 = 0.09

(-2.8)^2 = 7.84

(2.6)^2 = 6.76

(1.2)^2 = 1.44

(1)^2 = 1

Step 4: Calculate the average of the squared differences:

(1.21 + 0.09 + 7.84 + 6.76 + 1.44 + 1) / 6 = 18.34 / 6 = 3.06

Step 5: Take the square root of the average of the squared differences:

Standard deviation = √3.06 ≈ 1.7 (rounded to 1 decimal place)

Therefore, the standard deviation of the lengths is approximately 1.7.

Answer:

approximately 254.5

btw area of circle= pi multiplied by radius

Step-by-step explanation: I got you bro

Answer: Circle area = π * r² = π * 81 [inch²] ≈ 254.47 [in²]

but because it asks for nearest tenth

254.5 in²

this is your real answer

a) the expected number of smokers is 21.6, and

b) the standard deviation of the number of smokers is approximately 4.21.

a) To find the expected number of smokers, you need to multiply the probability of a student being a smoker (18% or

0.18) by the number of students surveyed (120). So, the expected number of smokers is:

Expected number of smokers = 0.18 × 120 = 21.6

b) To find the standard deviation of the number of smokers, you can use the formula for the standard deviation of a

binomial distribution, which is:

Standard deviation = √(n × p × (1 - p))

where n is the number of students surveyed, p is the probability of a student being a smoker, and (1 - p) is the

probability of a student not being a smoker. Plug in the values:

Standard deviation = √(120 × 0.18 × (1 - 0.18)) = √(120 × 0.18 × 0.82) ≈ 4.21

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The percentage increase in Hayley's fuel bills from 2021 to 2022 is equal to 17.105%.

What is a Percentage Increase?

The phrase "percentage increase" (or "percentage change" in general) refers to the difference between the final and starting values of a quantity, expressed as a percentage of that number's original value.

Steps to Calculate Percentage Increase?

Here, in the question, it is given that,

The original amount (X) or the fuel bill in 2021 is £76.

The new amount (Y) or the fuel bill in 2022 is £89.

So, the Increase (I) in the fuel bills from 2021 and 2022 is calculated as,

\(I=Y-X\\\implies I=89-76\\\implies I=13\)

Now, we can calculate the percentage increase in fuel bills from 2021 to 2022 as,

\(\%I=\frac{I}{X} \times 100\\\implies \%I=\frac{13}{76} \times 100\\\implies \%I=17.105\%\)

Therefore, the percentage increase in Hayley's fuel bills from 2021 to 2022 is 17.105%.

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Answer:

1. YES, BECAUSE WITH TAX, IT WOULD BE 9.88

2. MOVE THE DECIMAL OVER TO THE LEFT BY ONE PLACE

ANSWER IS 5.356

Step-by-step explanation:

IF TAX IS 13% YOU MULTIPLE 8.75 BY 1.13. YOU GET 1.13 FROM THE ORIGINAL PRICE PLUS .13 IN TAX.

Answer:

b

Step-by-step explanation:

The description of speed and movement is decocted in the painting by Wassily Kandinsky. Hence option D is correct.

A futuristic work is a product of art that can be a social movement and depicts the future-oriented style and way of expressing one's views as given in the painting the artist has shown the speed and movement that is used to indicates the future aspects or orientation.

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The quotient of z₁ by z₂ in trigonometric form is:

7/21 * (cos(584°) + i sin(584°))

To find the quotient of z₁ by z₂ in trigonometric form, we'll express both complex numbers in trigonometric form and then divide them.

Let's represent z₁ in trigonometric form as z₁ = r₁(cosθ₁ + isinθ₁), where r₁ is the magnitude of z₁ and θ₁ is the argument of z₁.

We have:

z₁ = 7(cos(577°) + i sin(577°))

Now, let's represent z₂ in trigonometric form as z₂ = r₂(cosθ₂ + isinθ₂), where r₂ is the magnitude of z₂ and θ₂ is the argument of z₂.

From the given information, we have:

z₂ = 21(cos(-7°) + i sin(-77°))

To find the quotient, we divide z₁ by z₂:

z₁ / z₂ = (r₁/r₂) * [cos(θ₁ - θ₂) + i sin(θ₁ - θ₂)]

Substituting the given values, we have:

z₁ / z₂ = (7/21) * [cos(577° - (-7°)) + i sin(577° - (-7°))]

= (7/21) * [cos(584°) + i sin(584°)]

The quotient of z₁ by z₂ in trigonometric form is:

7/21 * (cos(584°) + i sin(584°))

Option C, 21(cos(-7°) + i sin(-77°)), is not the correct answer as it does not represent the quotient of z₁ by z₂.

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Answer: 12

Step-by-step explanation:

You can find the area of a rectangle that forms around it, and then subtract the little extra triangles. You can form a 5 by 5 square around the points. There are 4 extra little triangles. Two of them have a base and height of 2 and 2. Two of them have a base and height of 3 and 3. So you get the total area of those 4 triangles to be: 2+2+4.5+4.5=13. So 25-13=12.