How do I find the perimeter and area of this?

Answer:

56.52mm

Step-by-step explanation:

first we need to find the circumference of the wheel, which equals 2*pi*r

then we divide the circumference by 25 since the wheel is split into 25 arcs by the 25 spokes, so our answer is:

2(3.14)(225)/(25) = 56.52mm

Answer:

B.

Step-by-step explanation:

The midpoint of a line segment is found by taking the average of the x-coordinates and the y-coordinates of the endpoints of the segment.

The midpoint of segment AB can be found as follows:

Midpoint of AB = ((-7/2 + -7)/2, (3/2 + 3)/2) = (-7, 3)

Since the midpoint of AB is the same as point B, we can conclude that the midpoint of segment AB is (-7, 3).

Answer:

The slope: 4

Y-intercept: 9

Step-by-step explanation:

The equation is y = mx + b

m = the slope

b = y-intercept

In this case y = 4x + 9

m = 4

b = 9

So,

The slope: 4

Y-intercept: 9

Answer:

Slope: 4/1 or 4

Y-Intercept: 9

Step-by-step explanation:

y = mx + b is the Slope Intercept Formula. 'm' in the formula stands for rate of change in y/x, which is practically slope. 'b' in the formula is where the line crossed the y line. It's where it intercepts with y.

the dimension of The diagonal ad of the rectangle will be 40.24 units.

In Mathematics, a polygon can be defined as a two-dimensional geometric figure that consists of straight line segments and a finite number of sides. Additionally, some examples of a polygon include the following:

• Triangle

• Quadrilateral

• Pentagon

• Hexagon

and so on

Given data of a quadrilateral. Since the type of quadrilateral is not provided.

we will assume it to be a rectangle as shown in the figure.

From the general formula of diagonal:

Diagonal = √sum of the square of sides

Thus,

Diagonal (ad) = √(36² + 18²)

ad = 40.24

Therefore the dimension of The diagonal ad of the rectangle will be 40.24 units.

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Answer:  b=6

Step-by-step explanation:

Answer: C

Step-by-step explanation:

Just look for the less than or equal to sign

Height of a cuboid is three-fourths of its length,breadth is 4 cm and total surface area is 608.

the length of the cuboid is 24 cm and its height is 18 cm.

Let us denote the length of the cuboid as "l" and the height of the cuboid as "h".

Based on the facts provided, we may conclude:

h = (3/4)l

Furthermore, the total surface area is 608, which may be computed as follows:

608 = 2(lb + bh + lh)

Extending the formula and changing the value of h:

608 = 2(lb + bh + l(3/4)l)

2(lb + 4h + (3/4)l^2) = 608

Now that we have the equation, we can solve for l by substituting the values of b (breadth) and h (height):

2(4l + 4h + (3/4)l^2) = 608

8l + 8h + (3/2)l^2 = 304

(3/2)l^2 + 8l + 8h = 304

We can now solve for l using the quadratic formula:

l = (-8 ± √(8^2 - 4 * (3/2) * (304 - 8h))) / (2 * (3/2))

Because h = (3/4)l, we may simplify by substituting this formula for h:

l = (-8 ± √(8^2 - 4 * (3/2) * (304 - 3l))) / (2 * (3/2))

Expanding the square root:

l = (-8 ± √(64 + 12l)) / 3

When we solve for l, we get:

l = 24

Finally, for h, substitute the value of l into the equation:

h = (3/4) * 24 = 18

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92.161 is one thousanth less than 92.162

From the question, we have the following parameters that can be used in our computation:

____is one thousanth less than 92.162

Complete the blank with a variable

So, we have

x is one thousanth less than 92.162

Express as an equation

x = 92.162 - 0.001

Evaluate

x = 92.161

Hence, the expression in the blank is 92.161

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The correct statement regarding the function is given as follows:

As you move closer to the center of the whirlpool, the speed of the current approaches infinity.

The function for this problem is defined as follows:

s = 300/d.

In which:

As d approaches 0, the equation has the following format:

s = 300/0.

The division by a number that is very close to zero means that the output assumes a value close to infinity, hence the third option is the correct option in the context of this problem.

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Answer:

17/18

Step-by-step explanation:

We know

Melissa ate 1/2 of her salad for lunch and ate 4/9 of the salad for dinner.

How much of her salad did she eat?

We take

1/2 + 4/9 = 9/18 + 8/18 = 17/18

So, Melissa ate 17/18 of her salad.

[tex]2x+2y=-8 \implies x+y=-4 \implies y=-4-x[/tex]

We can substitufe this result into the second equation.

[tex]-10x-5(-4-x)=-5 \\ \\ -10x+20+5x=5 \\ \\ -5x+20=5 \\ \\ -5x=-15 \\ \\ x=3 \implies y=-4-3=-7[/tex]

[tex]\therefore[/tex] The solution is [tex](3,-7)[/tex].

Step-by-step explanation:

cubing on both sides,

(-4)³= ³√(9x-1)³

-64=9x-1

-64+1=9x

-63=9x

-63/9=x

x=-7

The perimeter of the floor in the scale drawing is 42 inches.

To find the scale factor, we can use the length of the room in the original and the scaled drawing:

scale factor = length in scale drawing / length in original = 10 inches / 30 feet

Since 1 foot = 12 inches, we can convert the length of the room to inches:

30 feet * 12 = 360 inches

So, the scale factor is 10 inches / 360 inches = 1/36.

To find the length of the room in the scaled drawing, we can use the scale factor:

length in scale drawing = scale factor * length in original = (1/36) * 360 inches = 10 inches

And the width in the scaled drawing would be:

width in scale drawing = scale factor * width in original = (1/36) * 33 feet * 12 inches/foot = (1/36) * 396 inches = 11 inches

Finally, to find the perimeter of the room in the scaled drawing, we add up the lengths of all four sides:

perimeter = 2 * (length in scale drawing) + 2 * (width in scale drawing) = 2 * 10 inches + 2 * 11 inches = 20 inches + 22 inches = 42 inches.

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The best estimate for the owl population is 2,378.

The population of the owl can be estimated using the concept of proportion. Proportion refers to a mathematical comparison between two numbers. According to the concept, if two sets of given numbers are increasing or decreasing in the same ratio, hence the ratios are said to be directly proportional to each other.

Based on the provided information, 29 owls are tagged and released as part of a research project. Assume that the total number of owl populations is x. At the later time, researchers counted 902 owls and found the 11 were tag. Hence, there are 18 tagged owls which are not accounted for. Assuming that the proportional of tagged owls to number of owls counted applies to the remaining population, the total number of owls can be best estimated as:

x = (902/11)*29 = 2,378

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Proving that quadrilaterals are congruent takes more because all quadrilaterals are polygons of four sides and they all have a sum angle of 360°

Explaining quadrilaterals?

With four sides, four vertices, and four angles, a quadrilateral is a closed shape and a specific kind of polygon. In order to create it, four non-collinear points are joined. Quadrilaterals' internal angles add up to a constant 360 degrees.

What is quadrilateral formula?

When the diagonal and the sum of the lengths of the perpendiculars drawn from the remaining two vertices are known, the area of the quadrilateral can be determined as follows Area of quadrilateral = (12) diagonal length sum of the lengths of the perpendiculars drawn from the remaining two vertices.

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The complete question is -

Explain in your own words why it takes more to prove quadrilaterals congruent. Include examples demonstrating how ""just angles"" or ""just sides"" is not enough.

The greatest possible sum of two number is 6.7. Naomi's statement is false.

The least possible difference between two number is -10 Naomi's statement is false

The greatest product of two number in the set is 30.6. Naomi's statement is false

The least possible quotient of two numbers from the set is -6. Naomi statement is false

In mathematics, an operation is a function which takes zero or more input values to a well-defined output value. The number of operands is the arity of the operation.

The greatest possible sum = 4+2.7 = 6.7

The least possible difference = -6-4 = -10

The greatest possible product = -6×-5.1 = 30.6

The least possible quotient = 4÷ -2/3 = -12/2 = -6

Therefore all Naomi's statement are false.

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By several orders of magnitude, the role that money plays in the rate of urbanization and various economic activities is significant.

The proportion of people who live in towns and cities growing is known as urbanization. People relocate to urban areas from rural (countryside) areas, which causes urbanization (towns and cities). This typically happens when a nation is still growing.

Urban areas can expand due to a rise in the population or because people move there. Urbanization causes habitat loss, deforestation, and freshwater extraction from the environment, which can reduce natural things and change species ranges and interactions.

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The largest value of success probability p with zero as most likely number of success with n independent trials is equal to 1 / ( n + 1 ).

Probability of success is equal to p

Probability of failure is equal to ( 1 - p)

Number of trials is positive integer n

Condition for 'n' independent trials :

Zero is most likely number of success

⇒ P(0) ≥ P(1)

⇒ ⁿC₀ p⁰ ( 1 - p )ⁿ⁻⁰  ≥ ⁿC₁ p¹ ( 1 - p )ⁿ⁻¹

⇒ ( 1 - p )ⁿ ≥ np ( 1 - p )ⁿ⁻¹

⇒( 1 - p ) ≥ np

⇒ np + p ≤ 1

⇒ p ≤  1 / ( n + 1 )

Largest value of p is equal to 1 / ( n + 1 ).

Therefore, the largest value of success probability p with n independent trials is equal to 1 / ( n + 1 ).

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Answer: 20 children in total.

Step-by-step explanation: If you do 20% of 20 you get 4.

20

let the total children be x

therefore 20/100 × x =4

x = 400/10

x =20

If the outlier is removed, the following measures will change:

mean

range

a) Mean: Mean is the average of a set of numerical values. It is calculated by summing up all the values in the set and then dividing the sum by the number of values. The mean is a measure of central tendency and represents the typical value of a set of data.

b) Range: Range is a measure of dispersion and represents the difference between the largest and smallest values in a set of numerical data. It provides a quick and simple way to understand the spread of the data, and the difference between the extreme values. The range is calculated by subtracting the smallest value in the set from the largest value.

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Answer: S=V cubed

Step-by-step explanation:

Answer: A. S = cube of V

Step-by-step explanation:

Cube both sides of the equation to single s out

Answer:

Step-by-step explanation:

Grouping terms in mathematics refers to the process of combining like terms, which are terms that have the same variable raised to the same power.

For example, consider the expression 2x + 3x. The terms 2x and 3x are like terms because they both have the variable x, so they can be grouped together:

2x + 3x = (2 + 3)x = 5x

When grouping terms, it's important to simplify each group of like terms before combining them. For example, consider the expression 2x^2 + 3x^2 + 4x^3. The terms 2x^2 and 3x^2 are like terms because they both have x raised to the power of 2, but they are not like terms with 4x^3 because it has x raised to a different power. To group the terms correctly, we simplify each group of like terms first:

2x^2 + 3x^2 = (2 + 3)x^2 = 5x^2

2x^2 + 3x^2 + 4x^3 = 5x^2 + 4x^3

Once all like terms are grouped and simplified, the expression can be simplified further by combining the groups of like terms:

5x^2 + 4x^3 = 5x^2 + 4x^3

This final expression is the simplified form of the original expression.

The area of the triangle is 1 square foot.

Remember that the area of a triangle of base B and height H is:

A =B*H/2

Here we can see that:

B = 3ft

H = (2/3) ft

Replacing that in the area formula we will get:

A = (3ft)*(2/3)ft/2 = 1 ft²

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Answer:

Step-by-step explanation:

To convert 20 cm to meters, we divide by 100, because 1 meter = 100 centimeters.

So, 20 cm = 20/100 m = 0.2 m

To convert 0.2 m to meters in the lowest form, we divide by 15, because 1 meter = 15 units.

So, 0.2 m = 0.2/15 m = 0.013 m

So the final answer is 0.013 m.

The numeric value of the inverse function at x = 4096 is given as follows:

f-¹ (4096) = 6.

To find the inverse function, we exchange x and y in the original function, then isolate y.

The transformation rule for each point on the inverse function, compared to the original function, is given as follows:

(x,y) -> (y,x).

f(6) = 4096, hence the point on the function is:

(6, 4096).

Then the point on the inverse will be of:

(4096, 6).

Meaning that:

f-¹ (4096) = 6.

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The Parallelogram Opposite Sides Theorem and the Parallelogram Opposite Sides Converse as a biconditional statement is, If the opposite sides of a parallelogram are equal in length, then the parallelogram is a rectangle and If the parallelogram is a rectangle, then the opposite sides are equal in length.

What is a parallelogram?

Parallelogram is a quadrilateral with opposite sides parallel and equal and opposite angle are equal.

The Parallelogram Opposite Sides Theorem and the Parallelogram Opposite Sides Converse can be stated as a biconditional statement as follows:

For any parallelogram, the opposite sides are equal in length if and only if the parallelogram is a rectangle.

In other words,

(1) If the opposite sides of a parallelogram are equal in length, then the parallelogram is a rectangle.

(2) If the parallelogram is a rectangle, then the opposite sides are equal in length.

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The value of [tex]w^{-1}(3)[/tex] is -0.75

We know that the function is a well defined relation between input and output values in which each input is related to exactly one output.

An inverse function is  nothing but a function that returns the original value for which a function has given the output.

If two functions f and g are inverse functions, then f(x) = y if and only if g(y) = x

Here, the table of values for function is:

  x             w(x)

 -3             8

-0.75          3

  3             0.2

 6.5          -3

  7              1

From above table we can observe that for input x = -0.75, the value of function w(x) is 3

This means, that the inverse of 3 for function w is -0.75

Therefore,  [tex]w^{-1}(3)[/tex] = -0.75

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