Solve for x to the nearest tenth.
8
3
4
7

Answer:

(2x + 1) (2x-b)

The centripetal force is 7384.80 N.

For the centripetal force in N on the end of a 52 m (radius) wind turbine blade that is rotating at 0.3 rev/s and assuming the mass is 2 kg.

Use the following formula:

Centripetal force = (mass x velocity²) / radius

Where; mass = 2 kg

In this case, the radius of the wind turbine blade is 52 m, and it is rotating at 0.3 rev/s, which means that the angular velocity is:

ω = 2π * f = 2π * 0.3 = 1.884 rad/s

where f is the frequency or revolutions per second.

The linear velocity at the end of the blade can be calculated as:

v = r * ω ⇒ 52 * 1.884 ⇒ 98.088 m/s

radius = 52 m

Centripetal force = (2 x 98.088²) / 52

Centripetal force  = 7384.80 N

Therefore, the centripetal force on the end of a 52 m wind turbine blade rotating at 0.3 rev/s with a mass of 2 kg is 7384.80 N.

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Answer:

To increase 80g by 25%, you need to find 25% of 80 and then add that to 80.

25% of 80 is (25/100) x 80 = 20

So, to increase 80g by 25%, you add 20g to 80g:

80g + 20g = 100g

Therefore, an increase of 25% on 80g is 100g.

Step-by-step explanation:

Answer:326

Step-by-step explanation:

the class interval that contains the median is "30 < h < 40".

What is median ?

The value of the middle observation found after the data are arranged in ascending order is referred to as the median of the data. In many cases, it is challenging to take all of the facts into account when representing something, and in these cases, median is helpful. The median is one of the simple to compute statistical summary metrics. The median is also known as the place average since it uses the data that is in the centre of a sequence to determine its value.

To calculate the cumulative frequency, we add the frequency of each class interval to the sum of frequencies of all previous class intervals.

Height, h in cm Frequency Cumulative Frequency

0 1 1

10 < h < 20 9 10

20 < h < 30 7 17

30 < h < 40 13 30

The total frequency is 30, which is an even number. To find the median, we need to find the value that lies in the middle of the dataset. Since the total frequency is even, the median will be the average of the two middle values.

The two middle values will be the 15th and 16th value. To find the corresponding class interval, we look at the cumulative frequency column and find the interval that contains the 16th value.

The 16th value is in the "30 < h < 40" interval, which means that this interval contains the median.

Therefore, the class interval that contains the median is "30 < h < 40".

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The answer of the given question based graph of function on finding the initial value of the function the answer is the initial value of the function is 2.

A graph is  visual representation of data that displays  relationship between variables. It consists of points or vertices connected by lines or arcs that represent relationships between  variables. Graphs can be used to represent various types of data, like numerical, categorical, and ordinal data.

Graph are commonly used in mathematics, science, engineering, and social sciences to help people understand complex data and relationships. Different types of graphs like  bar graphs, line graphs, scatter plots, pie charts, and histograms. Graphs are powerful tool for data analysis and visualization, and they can help people identify patterns, trends, and outliers in data.

If the function intersects both the x-axis and y-axis at the point (2,4), then the function can be written in the form:

y = a(x - 2)(x - 4)

where a is some constant.

To find the value of a, we can use the fact that the function passes through the point (0,2). Substituting x = 0 and y = 2 into the equation above, we get:

2 = a(0 - 2)(0 - 4)

2 = 8a

Solving for a, we get:

a = 2/8 = 1/4

Therefore, the function is:

y = (1/4)(x - 2)(x - 4)

To find the initial value of the function, we need to determine the value of the function when x is equal to zero. Substituting x = 0 into the equation above, we get:

y = (1/4)(0 - 2)(0 - 4)

y = (1/4)(8)

y = 2

Therefore,  initial value of  function is 2.

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The regular pοlygοn has 22 sides, and the central angle is:

Central angle = Sum οf interiοr angles / n = (22-2) x 180 degrees / 22 = 160 degrees.

A pοlygοn is a twο-dimensiοnal geοmetric shape that is made up οf straight line segments cοnnected end-tο-end tο fοrm a clοsed shape.

Let's say that the regular pοlygοn has n sides. Since it is a regular pοlygοn, all οf its interiοr angles are equal in measure.

Each exteriοr angle is supplementary tο its cοrrespοnding interiοr angle, meaning that their measures add up tο 180 degrees. Therefοre, we can say that:

Exteriοr angle + Interiοr angle = 180 degrees

Substituting the given exteriοr angle οf 15 degrees, we get:

15 degrees + Interiοr angle = 180 degrees

Sοlving fοr the interiοr angle:

Interiοr angle = 180 degrees - 15 degrees = 165 degrees

Nοw we knοw that each interiοr angle in the regular pοlygοn has a measure οf 165 degrees.

Using the fοrmula fοr the sum οf the interiοr angles in a pοlygοn, which is:

Sum οf interiοr angles = (n-2) x 180 degrees,

where n is the number οf sides in the pοlygοn, we can sοlve fοr the central angle:

The sum οf interiοr angles / n = central angle

Substituting the knοwn values:

(n-2) x 180 degrees / n = 165 degrees

Simplifying the equatiοn:

n - 2 = 12n / 11

Multiplying bοth sides by 11n:

[tex]11n^2 - 22n = 12n^2[/tex]

Subtracting [tex]12n^2[/tex] frοm bοth sides:

[tex]-n^2 - 22n = 0[/tex]

Factοrizing:

n(n + 22) = 0

n = 0 οr n = -22

Since a pοlygοn cannοt have zerο οr negative sides, the οnly valid sοlutiοn is n = 22.

Therefοre, the regular pοlygοn has 22 sides, and the central angle is:

Central angle = Sum οf interiοr angles / n = (22-2) x 180 degrees / 22 = 160 degrees.

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Knowing that <1 is congruent to <8 allows us to draw the following conclusions: The angles <1 and <8 have the same measure. They are alternate interior angles formed by a transversal intersecting two parallel lines. If <1 is part of a triangle or polygon, then <8 is also part of that same triangle or polygon.

What is Polygon?

In geometry, a polygon is a two-dimensional shape that is made up of straight lines. It is a closed figure with three or more line segments that connect at their endpoints to form a closed shape.

Polygons can have any number of sides, but they must have at least three sides. Some examples of polygons include triangles, rectangles, squares, pentagons, hexagons, and so on.

The properties of a polygon, such as its angles and sides, can be calculated and analyzed using mathematical formulas and principles. Polygons are commonly used in geometry, architecture, engineering, and many other fields.

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Answer:

To find the area of the given figure, we can divide it into two separate shapes, a rectangle and a triangle, and then add their areas together.

First, we can find the area of the rectangle by multiplying its length and width. From the diagram, we can see that the length of the rectangle is 12 cm and the width is 5 cm.

Area of rectangle = length x width

Area of rectangle = 12 cm x 5 cm

Area of rectangle = 60 cm^2

Next, we can find the area of the triangle by using the formula for the area of a triangle, which is:

Area of triangle = 1/2 x base x height

From the diagram, we can see that the base of the triangle is 5 cm and the height is 8 cm.

Area of triangle = 1/2 x base x height

Area of triangle = 1/2 x 5 cm x 8 cm

Area of triangle = 20 cm^2

Finally, we can find the total area of the figure by adding the area of the rectangle and the area of the triangle:

Total area = area of rectangle + area of triangle

Total area = 60 cm^2 + 20 cm^2

Total area = 80 cm^2

Therefore, the area of the given figure is 80 square centimeters.

Step-by-step explanation:

Answer:

Thank you for the answer :,)

Find the value of the expression x+|x| if x≥0

Answer: 8/20

Step-by-step explanation:

Answer:

What is the measure of angle F?

Step-by-step explanation:

You're welcome.

c) The locus of z is a straight line parallel to the y-axis for x = 4.

The locus of a line is the set of all points that satisfy a given geometric condition related to that line. The term "locus" refers to the path or trajectory followed by a point or set of points that satisfy the given condition.

To determine the locus of z in the given equation |z-2| = |z-6|, we can use the definition of the absolute value of a complex number which is

[tex]|x + iy| = \sqrt{(x^2 + y^2)}[/tex]

So, we can square both sides of the given equation to get:

[tex]|z-2|^2 = |z-6|^2[/tex]

put z = (x + iy)

[tex]|x+iy-2|^2 = |x+iy-6|^2\\|(x-2)+iy|^2 = |(x-6)+iy|^2\\[/tex]

[tex][\sqrt{((x-2)^2 + y^2)} ]^{2} = [\sqrt{((x-6)^2 + y^2)} ]^{2}[/tex]

x² + 4 - 4x = x² + 36 - 12x

after simplification, x = 4

Therefore, the locus of z is a straight line parallel to the y-axis passing through the point x = 4.

Hence, the correct option is (c) a straight line parallel to the y-axis.

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The angle E is 50.21°

Three line segments that cross at three non-collinear locations to form a triangle constitute a triangle in geometry. The triangle's three line segments are referred to as its sides, and its three points of intersection as its vertices.

Given, the right angle triangle at ∠F = 90°

According to the figure, base = 16cm, hypotenuse = 25cm

Apply Cosine rule;

Cos x = 16/25

x = Cos⁻¹ (16/25)

x = 50.21°

Therefore, the angle E is 50.21°

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Triangle: According to the question the measure of angle E is 50.21°

A triangle is a three-sided polygon which has three angles and three vertices. It is one of the basic shapes in geometry and is a fundamental shape in many mathematical and engineering fields. A triangle can be classified according to its angles or sides. Right triangles have one angle that is a right angle (90°) and two acute angles, obtuse triangles have one obtuse angle (greater than 90°) and two acute angles, and equilateral triangles have three equal angles and three equal sides.

Given, the right angle triangle at ∠F = 90°
According to the figure, base = 16cm, hypotenuse = 25cm
Apply Cosine rule;
Cos x = 16/25
x = Cos⁻¹ (16/25)
x = 50.21°
Therefore, the angle E is 50.21°

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Answer:

50

Step-by-step explanation:

1/6 of 90 is 15 (1/6x90/1 = 90/6 which equals 15)

then, subtract that from 90 to give you the amount of runners that left in the first half (90-15= 75)

then 1/3 of 75 is 25 (1/3x75/1= 75/3which equals 25)

and you subtract the runners that left from the total amount of runners (75-25=50)

Answer:

1

Step-by-step explanation:

LOL

Answer:

1+1-1=1

Step-by-step explanation:

1+1=2

2-1=1

your answer is 1

The value of Pi to four decimal places is 3.1416.

There are 8 vertices on a cube.

The prime number closest to 100 is 97.

The sum of the internal angles of a hexagon is 720 degrees.

The number represented in binary as 100 is 4 in decimal notation.

Answer:

The range of the function represented by the graph is (-3, 0). This means that the output (or y-value) can range from -3 to 0 for any given input (or x-value).

A function is a block of code that has been written to perform a specific task. It can accept input, perform operations on that input, and return a result. Functions are an essential part of coding, as they allow for code to be reused, and make programs easier to read and debug. Functions can be used in almost any programming language, and are often used to perform calculations, display information, and handle user input. Reusable functions can help to reduce the amount of code needed to accomplish a task, making programs easier to maintain and update.

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This equation shows that the value of x is equal to the y-value divided by the tangent of 50°.

Tangent is a line or plane that touches a curve or surface at a single point. It is a measure of the steepness of a curve or surface at a particular point. It is equal to the ratio of the change in the y-coordinate to the change in the x-coordinate of a point on the curve. Tangent is used in many areas of mathematics and physics, including calculus, geometry, and mechanics. It is also used to describe the rate of change in a function, as well as to define the angle between two intersecting lines.

The tangent line equation for a line with a slope of 50 degrees is y = tan(50°)x.
To solve for x, you must rearrange the equation to isolate x on one side of the equation.
To do this, divide both sides of the equation by tan(50°), giving the equation x = y/tan(50°). This equation shows that the value of x is equal to the y-value divided by the tangent of 50°.

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Answer:

Step-by-step explanation:

To find the average rate of change of the function f(x) from -5 to -2, we need to calculate:

(f(-2) - f(-5))/(-2 - (-5))

First, let's find f(-2) and f(-5):

f(-2) = (-2)^2 - 4 = 0

f(-5) = (-5)^2 - 4 = 21

Substituting these values in the above formula, we get:

(0 - 21)/(-2 + 5) = -21/3 = -7

Therefore, the average rate of change of f(x) from -5 to -2 is -7.

So the answer is (C) -7.

The length of the other leg is 38 yards

Right Triangle is a triangle in which one of the interior angles measures 90 degrees. It is also a figure where one of the three angles measures 90° and the other two angles are acute that sums to 90°.

Using Pythagoras theorem to the Right Triangle,

C^2 = A^2 + B^2

Where C = Hypotenuse = 45 yards

A = One of the leg = 24 yards

To get the value of B,

C^2 = A^2 + B^2

B^2 = C^2 - A^2

B^2 = (45^2) - (24^2)

B^2 = 2025 - 576

B^2 = 1449

B = √1449

B = 38 yards

Therefore, the length of other leg is 38  yards

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The following points are matched:

Thus, the definitions are matched to their respective terms.

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Answer:

convert the l to volume Wich will give 7200 cm3 .

use the equation for volume which is V=L*B*H where you will replace B,L and leave out H since that's what we are looking for:

V=L*B*H

7200=50*20*H

7200=1000H

7200÷1000=H

therefore H of liquid is 7.2 cm ....to get the height from top subtract the height of liquid from that of a container which will give : 20-7.2= 12.8cm3

there the answer is 12.8

Answer: $3.64

Step-by-step explanation:

At the store, you buy four toys for $1.5, which means you pay $1.5 * 4, or $6.

Then, you calculate the sales tax, which is 6%, which means you multiply $6 by (100% + 6%), or $6*(1.06) which is $6.36.

Finally, if you hand the cashier $10, and you spent $6.36, your change is $10 - $6.36, which is $3.64.

'cell '. The element in the second row and first column of the cell array C is accessed using the phrase c(2,1). The first element in the second row of C is the string "cell," which is that element.

The element in the second row and first column of the cell array C is accessible by the equation c(2,1). The first element in the second row of C is the string "cell," which makes up that element. The string "cell" is the result of c(2,1).

The curly braces in MATLAB are used to retrieve the contents of a cell array. "Access the contents of the cell in the second row and first column of C" is what the phrase C2,1 implies. The string in question is the outcome of the expression since it is present in the relevant cell.

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Answer: -2.0

Step-by-step explanation:

The average number of applications downloaded in the month of June on the regular basis is calculated to be 5 apps.

Let's suppose that the unknown number of apps are downloaded in the month June i.e. suppose "x".

We know that the average number of apps downloaded daily in the previous month is 10. If we assume that the previous month has 30 days, then the total number of apps downloaded in the previous month is:

30 days × 10 apps/day = 300 apps

We also know that the total number of apps downloaded in June is half of the total number of apps downloaded in the previous month i.e. May. Therefore:

x = 1/2 × 300 apps

x = 150 apps

To find the average number of apps downloaded in June, we can divide the total number of apps downloaded in June by the number of days in June. If we assume that June has 30 days, then:

Average number of apps downloaded in June = 150 apps / 30 days

Average number of apps downloaded in June = 5 apps/day

Therefore, Maria downloaded an average of 5 apps per day in the month of June.

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The complete question is :

Maria downloads an unknown number of apps on her tablet in the month of June. The average of the number  of apps downloaded daily in the previous month is 10. If the total number of apps downloaded in June is half of the total number of apps downloaded in previous month, find the average number of apps downloaded in June.

In the given triangle, the length of the side opposite to the 38 degree angle is approximately 5.62 cm.

What is triangle?

A triangle is a two-dimensional shape that is formed by connecting three straight line segments or sides. These sides may intersect at three points, which are called vertices. Triangles are classified based on their sides and angles.

Using the tangent function, we can find the length of the side opposite to the 38-degree angle as follows:

tan(38) = f/7.2

Rearranging the formula to solve for "f", we get:

f = 7.2 * tan(38)

f = 7.2*0.781

f ≈ 5.62 cm

Therefore, the length of the side opposite to the 38-degree angle is approximately 5.62 cm.

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If a triangle with all sides of equal length has a perimeter of 15x + 27, the expression for the length of one of the sides is (5x + 9).

The perimeter of a triangle is the sum of the lengths of all three sides. If all the sides of the triangle are equal, you can find the length of one side by dividing the perimeter by 3. Here, the perimeter is given as 15x + 27. Therefore, the length of one side will be (15x + 27) / 3 = 5x + 9. Hence, an expression for the length of one of the sides is (5x + 9).

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Answer:

567 is the correct number.

Step-by-step explanation:

[tex]5 + 6 + 7 = 18[/tex]

[tex]1 + 8 = 9[/tex]

So 567 is divisible by 9 since

[tex]567 \div 9 = 63[/tex]