Use the diagram below for #1-3.
E
D
F
H
C
А
B

Answer:

function is non linear and decreasing

Step-by-step explanation:

between x=4 and x=6 the line has a negative slope, meaning that it is decreasing, and it can't be a linear function because a linear function a function whose graph is a straight line.

hope this helps!

Step-by-step explanation:

4x+23= 10x-1

14x= 24

x= 1.714

the measure of the two sides is 16.143

Answer:

0

Step-by-step explanation:

-4x-20=-4(x+5)

-4x-20=-4x-20

0=0

Answer:

60/40

the awnser for the question is 3/2

The fraction of gems to be red in the third bowl if There are two bowls. One of them has 60 gems and the other has 40 gems, Some of them are red, is x / 6000.

A fraction represents a portion of a total. This entire may refer to a place or a group of places. The Latin word "fraction," which means "to break," is the source of the English term "fraction." The distribution of food and supplies as well as the lack of a metal currency were among the mathematical issues that the Egyptians utilized fractions to solve because they were the first civilization to understand fractions.

Given:

There are two bowls. One of them has 60 gems and the other has 40 gems. Some of them are red,

Assume the number of red gems in the bowl is x then,

The fraction of Red gems in the First bowl = x / 60

Calculate the fraction of gems in the third bowl as shown below,

The fraction of gems to be red in the third bowl = x / 60 / 60 + 40

The fraction of gems to be red in the third bowl = x / 60 / 100

The fraction of gems to be red in the third bowl = x / 6000

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Answer:

\(h = 34 \times \sin(27) + 5 = 15.43 + 5 = 20.43\)

Answer: 4

Step-by-step explanation:

2 multiplied by 2 is 4. You have 2 of the 2's so it becomes 4.

Answer:4

Step-by-step explanation:

have a good day :)

Marta's rope is 10 inches shorter than three times the length of David's rope and they measure 120 inches long together , then Marta's rope is 77.5 inches long and David's rope is 32.5 inches long.

Let's call the length of David's rope x.

According to the problem, Marta's rope is 10 inches shorter than three times the length of David's rope, so we can write an equation for Marta's rope:

length of Marta's rope = 3 * x - 10

And the combined length of both of their ropes is 120 inches, so we can write another equation:

x + (3 * x - 10) = 120

Expanding the second equation and solving for x, we get:

4x - 10 = 120

Adding 10 to both sides:

4x = 130

Dividing both sides by 4:

x = 32.5

So, David's rope is 32.5 inches long.

We can use the first equation to find the length of Marta's rope:

length of Marta's rope = 3 * x - 10 = 3 * 32.5 - 10 = 87.5 - 10 = 77.5 inches

So, Marta's rope is 77.5 inches long.

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Answer:

C

Step-by-step explanation:

c

Answer:

y=3x+4 I think I am correct hola amigo señorita a person in my class is called adiola adiola adiola hah

Answer:

Its inconsistent

Step-by-step explanation:

If you are doing 5.11 Unit Test: Systems of Equations - Part 1 from K12, this is your answer

The graphs of the lines do not intersect, so the graphs are parallel and there is no solution. Since there are no solutions, its inconsistent.

If it has at least ONE solution, its consistent.

If it has EXACTLY ONE solution, its consistent in dependable

If it has INFINITE AMOUNT of solutions, its consistent dependable

The appropriate measure of variability for the given data is the IQR, and its value is 16.

Based on the given stem-and-leaf plot, which represents the scores earned in a flower-growing competition, we can determine the appropriate measure of variability for the data.

The stem-and-leaf plot shows the individual scores, and to measure the spread or variability of the data, we have two commonly used measures: the range and the interquartile range (IQR).

The range is calculated by subtracting the smallest value from the largest value in the dataset. In this case, the smallest value is 20, and the largest value is 65. Therefore, the range is 65 - 20 = 45.

The interquartile range (IQR) is a measure of the spread of the middle 50% of the data. It is calculated by subtracting the first quartile (Q1) from the third quartile (Q3). Looking at the stem-and-leaf plot, we can identify the quartiles. The first quartile (Q1) is 25, and the third quartile (Q3) is 41. Therefore, the IQR is 41 - 25 = 16.

In this case, both the range and the IQR are measures of variability, but the IQR is generally preferred when there are potential outliers in the data. It focuses on the central portion of the dataset and is less affected by extreme values. Therefore, the appropriate measure of variability for the given data is the IQR, and its value is 16.

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The part of the statement which is the conclusion is; ax > bx

In mathematics, the concept of mathematical induction is based on the statement of premises and conclusions subsequently.

On this note, in the statement given;

The premise given is;

The conclusion is therefore;

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To balance a ration with 14% CP (DM) using cracked corn and soybean meal, with soybean hulls fixed at 10% DM, solve the equation: (0.14 - CP_soybean_hulls) × DM = CP_cracked_corn × DM_cracked_corn + CP_soybean_meal × DM_soybean_meal.



To balance a ration for a specific crude protein (CP) content using cracked corn and soybean meal, you can use the following equation:

(0.14 - CP_soybean_hulls) × DM = CP_cracked_corn × DM_cracked_corn + CP_soybean_meal × DM_soybean_meal

Where:

- CP_soybean_hulls is the crude protein content of soybean hulls.

- DM is the dry matter percentage of the ration.

- CP_cracked_corn is the crude protein content of cracked corn.

- DM_cracked_corn is the dry matter percentage of cracked corn.

- CP_soybean_meal is the crude protein content of soybean meal.

- DM_soybean_meal is the dry matter percentage of soybean meal.

Given that soybean hulls are fixed in the ration at 10% of the dry matter, the CP_soybean_hulls can be calculated by multiplying the CP of soybean hulls by 0.1.

Using the equation, you can solve for the appropriate amounts of cracked corn and soybean meal needed to achieve the desired crude protein content of 14% in the ration.

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The square root of 45 ≈ 6.7082

The square root of 92 ≈ 9.5917

The square root of 126 ≈ 11.2249

The square root of 45 is approximately 6.7082, which is derived from taking the square root of 45 \((\sqrt(45)).\)

For 92, the square root is approximately 9.5917 \((\sqrt(92))\).

As for 126, its square root is around 11.2249 \((\sqrt(126)).\)

These values are approximations because the square roots of 45, 92, and 126 are irrational numbers, meaning their decimal representation is non-repeating and non-terminating.

When working with these square roots in calculations, it is common to either use their approximate values or to keep them in square root form to maintain the highest level of precision.

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The Question in English

What is the square root of 45

what is the square root of 92

what is the square root of 126

The partial derivative diffusivity equation for spherical flow is ∂²p/∂r² + (1/r) ∂p/∂r = ϕμC/k ∂p/∂t, and for hemispherical flow, it is the same equation.

1. The partial derivative diffusivity equation for spherical flow is derived from the spherical coordinate system and applies to radial flow in a spherical geometry. It can be expressed as ∂²p/∂r² + (1/r) ∂p/∂r = ϕμC/k ∂p/∂t.

2. The partial derivative diffusivity equation for hemispherical flow is derived from the hemispherical coordinate system and applies to radial flow in a hemispherical geometry. It can be expressed as ∂²p/∂r² + (1/r) ∂p/∂r = ϕμC/k ∂p/∂t.

1. For the derivation of the partial derivative diffusivity equation for spherical flow, we consider a spherical coordinate system with the radial direction (r), the azimuthal angle (θ), and the polar angle (φ). By assuming steady-state flow and neglecting the other coordinate directions, we focus on radial flow. Applying the Laplace operator (∇²) in spherical coordinates, we obtain ∇²p = (1/r²) (∂/∂r) (r² ∂p/∂r). Simplifying this expression, we arrive at ∂²p/∂r² + (1/r) ∂p/∂r.

2. Similarly, for the derivation of the partial derivative diffusivity equation for hemispherical flow, we consider a hemispherical coordinate system with the radial direction (r), the azimuthal angle (θ), and the elevation angle (ε). Again, assuming steady-state flow and neglecting the other coordinate directions, we focus on radial flow. Applying the Laplace operator (∇²) in hemispherical coordinates, we obtain ∇²p = (1/r²) (∂/∂r) (r² ∂p/∂r). Simplifying this expression, we arrive at ∂²p/∂r² + (1/r) ∂p/∂r.

In both cases, the term ϕμC/k ∂p/∂t represents the source or sink term, where ϕ is the porosity, μ is the fluid viscosity, C is the compressibility, k is the permeability, and ∂p/∂t is the change in pressure over time.

These equations are commonly used in fluid mechanics and petroleum engineering to describe radial flow behavior in spherical and hemispherical geometries, respectively.

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You will need 3 cans of paint to cover the two walls

We know that 1 can will cover 200 square feet of wall.

And here we have 2 walls, let's find the total area of these walls.

wall 1 is 20ft by 8ft, then its area is:

A = 20ft*8ft = 160ft^2

wall 2 is 40t by 8 ft, then its area is:

A'  = 40ft*8ft = 320ft^2

The total area is:

160ft^2 +  320ft^2 = 480ft^2

The number of cans of paint needed is given by the quotient between the total area and the area that each can cover.

N = 480ft^2/200ft^2 = 2.4

But we can't have a 0.4 of a can, so we should round to the next whole number, which is 3.

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Iterated integral by converting to polar coordinates is:

3/64 \(a^5\) (π - 16).

The integral should be:

∫∫_R \(6x^2y\sqrt{a^2 - y^2)}\) dA,

where R is the region in the first quadrant bounded by the x-axis,

the y-axis, and the curve \(x^2 + y^2 = a^2.\)

To evaluate this integral using polar coordinates, we need to convert the integrand and the limits of integration.

Recall that in polar coordinates, x = r cos θ and y = r sin θ, and the area element is dA = r dr dθ.

So the integral becomes:

∫₀π/2 ∫₀a cos θ 6(r cos θ)^2 (r sin θ) √(a^2 - (r sin θ)^2) r dr dθ

Simplifying the integrand:

∫₀π/2 ∫₀\(a 6r^4 cos^3\) θ sin θ \(\sqrt{(a^2 - r^2 sin^2 }\)θ) dr dθ

Using the substitution\(u = a^2 - r^2 sin^2\) θ, du = -2r sin θ cos θ dθ:

∫₀π/2 ∫_\(a^2\)a^2 - \(sin^2\)θ \(a^2 - u 6(a^2 - u)^(3/2)\)du dθ /

(\(4 sin^3\) θ)

Using the substitution \(v = \sqrt{(a^2 - u) }\),

dv = -du / (2v):

∫₀π/2 ∫₀\(a cos^3\) θ \(6(a^2 - v^2)^2 v\) dv dθ / 4

Using the substitution\(u = a^2 - v^2, du = -2v dv:\)

3/8 ∫₀π/2 ∫₀\(a^2 (a^2 - u)^2 u^(1/2)\)du dθ

Using the substitution u = \(a^2 cos^2\) φ, du

\(= -a^2 sin 2\)φ dφ:

3/8 \(a^5\)∫₀π/2 \(sin^5\) φ \(cos^4\) φ dφ

This integral can be evaluated using integration by parts, but the calculations are quite tedious.

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Answer:

20/9

Step-by-step explanation:

5+4=9

4×5=20

I think. I'm a little rusty. hope this helps

Answer:

20/9

Step-by-step explanation:

u gotta pay more attention in class this was an easy question

Answer:

number of $8 sold= 200

Number of $10 tickets sold= $150

Number of $12 tickets sold = $50

Step-by-step explanation:

Let the quantity of $8 ticket be represented as  x

Let the quantity of $10 ticket be represented as  y

Let the quantity of $12 ticket be represented as  z

Such that total tikets sold = 400 can be represented as x+y+z= 400

Prices of$8, $10 and $12 gave a total income of $3,700  such that it can be represented as

8x +10y + 12z =$3,700

Also given that combined number of $8 and $10 priced tickets sold was 7 times the number of $12 tickets sold, we have that

x+y = 7z

Giving us the equations to solve to  be

x+y+z= 400------ equation 1

8x +10y + 12z =$3,700---- equation 2

x+y = 7z------equation 3

Step 2- solving

Putting equation 3 i n equation 1, we have that

7z+z = 400

8z= 400

z= 400/8= 50

also puting the value of z= 50 in equation 1

x+y+z= 400

x+y+50= 400

x+y = 350---- equation 4

putting z= 50 into equaton 2 and solving out

8x +10y + 12z =$3,700

8x +10y + 12x 50 =$3,700

8x +10y + 600 =$3,700

8x +10y =3,700 - 600

8x +10y=3,100---------equation 5

Multiplying equation 4 by 8  and subtracting from equation 5

8x +10y=3,100

-8x+8y= 2,800

2y=300

y= 300/2

y=150

to find x, when y= 150 using equation 4

x+y = 350

x= 350-150

x= 200

Therefore number of $8 sold= 200

Number of $10 tickets sold= $150

Number of $12 tickets sold = $50

The solution to the system of equations is x = 3, y = 3, and z = -8. The solution can be represented as an ordered triple: (3, 3, -8).

The given system of equations is:

x + y + z = -2

2x + 4y + 2z = 2

-x + 6y - 3z = 31

To solve this system, we can use various methods such as substitution, elimination, or matrix methods. Here, we'll use the method of elimination.

First, let's multiply the first equation by 2 to eliminate the x term:

2(x + y + z) = 2(-2)

2x + 2y + 2z = -4

Now, we can subtract the second equation from this new equation:

(2x + 2y + 2z) - (2x + 4y + 2z) = -4 - 2

-2y = -6

y = 3

Substituting the value of y back into the first equation, we have:

x + 3 + z = -2

x + z = -5

Next, let's substitute the values of x = -5 - z and y = 3 into the third equation:

-(-5 - z) + 6(3) - 3z = 31

5 + z + 18 - 3z = 31

-z + 23 = 31

-z = 8

z = -8

Now, substitute the value of z back into the equation x + z = -5:

x - 8 = -5

x = 3

Therefore, the solution to the system of equations is x = 3, y = 3, and z = -8. The solution can be represented as an ordered triple: (3, 3, -8).

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The probability that a plane will arrive in less than 5 minutes is approximately 0.1813, not 0.3333.

The probability that a plane will arrive in less than 5 minutes is equal to 0.3333. This statement is false. In an exponentially distributed process, the probability of an event occurring in a given time interval is determined by the exponential distribution function. The exponential distribution is characterized by a parameter called the rate parameter, often denoted as λ (lambda).

In this case, the rate parameter λ = 1/15, as planes arrive approximately once every 15 minutes. To calculate the probability of a plane arriving in less than 5 minutes, we can use the cumulative distribution function (CDF) of the exponential distribution. Using the exponential CDF, we find: P(X < 5) = 1 - e^(-λt). Substituting λ = 1/15 and t = 5, we have: P(X < 5) = 1 - e^(-1/15 * 5) ≈ 0.1813. Therefore, the probability that a plane will arrive in less than 5 minutes is approximately 0.1813, not 0.3333.

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Answer:

The solution of the given equations

x = 3 and y =-2.5

Step-by-step explanation:

Step(i):-

  x - 2y = 8 ..(i)

3x = 19 +4y ..(ii)

By using substitution method

substituting  x = 2y +8 in equation (ii)

 ⇒  3( 2y +8) = 19 +4y

⇒   6y +24 = 19 +4y

⇒  6 y - 4y = 19 - 24

⇒   2 y = -5

   \(y = \frac{-5}{2} = -2.5\)

Step(ii):-

Substitute 'y' = -2.5 in equation (i) , we get

         x - 2y = 8

   ⇒  x - 2( \(\frac{-5}{2}\)) =8

  ⇒  x = 8 -5

      x = 3        

Final answer:-

The solution of the given equations

x = 3 and y =-2.5

Therefore, to determine if a linear transformation is an isomorphism, we can check if the determinant is non-zero or if the kernel is only the zero vector.

An isomorphism is a bijective linear transformation, that is both one-to-one and onto. The determinant of a linear transformation can help determine if it is an isomorphism. If the determinant is non-zero, the linear transformation is invertible, and therefore an isomorphism. A linear transformation is an isomorphism if and only if its determinant is nonzero.
Additionally, another way to check if a linear transformation is an isomorphism is to check if the kernel, which is the set of all vectors that get mapped to zero, is equal to only the zero vector. If the kernel is only the zero vector, then the linear transformation is one-to-one and therefore an isomorphism.

Therefore, to determine if a linear transformation is an isomorphism, we can check if the determinant is non-zero or if the kernel is only the zero vector.

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Legend

The term that refers to the labels at the right of the graph indicating how each subcategory is represented is the Legend.

The Legend is a key that indicates what the different colors, lines, or other symbols in a graph represent. It is usually located at the right or bottom of the graph and provides a clear explanation of the different subcategories.

The Legend is an essential component of a graph, as it helps the viewer understand the information presented in the graph. Without the Legend, the graph can be confusing and difficult to interpret. It is important to ensure that the Legend is clear and easy to understand so that the viewer can quickly identify the different subcategories represented in the graph.

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Answer:

Try and start at the line?

Step-by-step explanation:

It is true that sum of two whole numbers are always a whole number

Whole numbers is a collection of all positive counting numbers including 0.

It doesn't contains fractional digits or decimal numbers

The set of whole numbers in mathematics is the set {0,1,2,3,...}. It is denoted by the symbol, " W "

Lets take any two whole number say 9 and 2

Sum of whole numbers = 9 + 2

=> 11 which is also a whole number

Hence, it is true that sum of the two whole numbers always a whole numbers which is called closure property under addition .

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Answer:

D. x = 6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Trigonometry

Step-by-step explanation:

Step 1: Identify Variables

Leg a = 8

Leg b = x

Hypotenuse c = 10

Step 2: Solve for x

Answer:

x=6

Step-by-step explanation:

According to Pythagoras theorem

x²+y²=z²

x²+8²=10²

x=√10²-8²

x=√100-64

x=√36

x=6

To find the probability of selecting the students in reverse alphabetical order let's understand when will this happen.

This situation will be presented if the students are selected in the following order: Zach, Ryan and Ava.

The probability of selecting Zach first is:

The probability of selecting Ryan in the second place is:

Finally, the probability of selecting Ava at last is one (since there's no other student to select).

Finally, the probability of choosing them in that order is the product of the probabilities we found:

Therefore, the probability of selecting the students in reverse alphabetical order is 1/6

Step-by-step explanation:

oh, come on !

we have a point on the curve : (3, -2)

we simply put the values in and calculate the missing factor of x² :

-2 = f × 3² = f × 9

f = -2/9

y = -2/9 x² = -0.222222222... x²

Answer:

x = 18

Step-by-step explanation:

So there is two ways, but I'm going with the way I remember

1/6 x = 3

1x/6 = 3 multiply by 1

x/6 = 3 then multiply by 6

x = 18