Y=2x+6
3y-x+3=0

Substitute to solve

Brainliest for correct answer

Answer:

Step-by-step explanation:

I think y ≤ 3 - 3x

Answer:

90

Step-by-step explanation:

9^2 = 81 and 3^2 = 9

81 + 9 = 90

Answer:

90

Step-by-step explanation:

9² + 3²

= (9 x 9) + (3 x 3)

= 81 + 9

= 90

Answer:

9000 panels

Step-by-step explanation:

See attached for detailed explanation.

Remember that percent means division by a 100.

The height of the cone is h = 3V / πr². Then the correct option is B.

Given that:

Volume of the cone, V = πr²h / 3

Simplify the equation for the value of h, then we have

V = πr²h / 3

3V = πr²h

h = 3V / πr²

The height of the cone is h = 3V / πr². Then the correct option is B.

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Using proportional relationships, we can say that They will walk 12 laps and run 20 laps for a total of 32 miles.

In a direct proportional relationship, the output variable is found by the multiplication of the input variable and the constant of proportionality k, as follows:

y = kx.

Given that we know this, they walk 3/8 of the 8 miles that make up the complete distance. Run 5/8 of the route.

The following are the proportional relationships for the distances:

For a total distance of 32 miles, the distances walked and run are given:

therefore, They will walk 12 laps and run 20 laps for a total of 32 miles as per the proportional relation.

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The parent function g(x) = |x| has the following graph:

then, given the function f(x) = -3 |x-2| + 4, we have to make a stretch and a reflection, with a traslation of 2 units to the right and 4 units up, to get the following graph:

Answer:

588 units^2

Step-by-step explanation:

To find the area of the enlarged rectangle, first find the length and width of the enlarged rectangle.

This is 3.5 multiplied by their original measures:

Length = 3.5 x 8 = 28

Width = 3.5 x 6 = 21

Now, area =. LxW = 588 units^2

Hope this helps

Answer:

588 units squared

Step-by-step explanation:

We have a rectangle that has dimensions 8 units by 6 units.

From the problem, we know that this rectangle has been enlarged by a scale of 3.5. Essentially, to obtain the dimensions of the new, bigger rectangle, we multiply the current length (8 units) by 3.5 and the current width (6 units) by 3.5:

new length = 8 * 3.5 = 28 units

new width = 6 * 3.5 = 21 units

Given this, we can now calculate the area.

The area of a rectangle is denoted by A = lw, where l is the length and w is the width.

Here, the length is l = 28 and the width is w = 21. Plug these in:

A = lw

A = 28 * 21 = 588

The answer is thus 588 units squared.

~ an aesthetics lover

Answer:

Trinomial  of degree 2

Step-by-step explanation:

The given expression cannot be reduce any further as far as number of terms (there are no like terms in it), so it is a trinomial.

Also, the largest power for the variable  init (y) is the power 2, therefore it is a trinomial of degree 2.

Answer:

The slope of the perpendicular line  m =6

Step-by-step explanation:

Step(i):-

Given that the equation of the straight line

                                            2x + 12y =-192

                                        ⇒ 12 y = -192 -2x      

                                               \(y = \frac{-2x}{12}- \frac{192}{12}\)

                                              \(y = \frac{-x}{6} - 16\)

                                             y = m x +C

The slope of the given line\(m = \frac{-1}{6}\)

Step(ii):-

The slope of the perpendicular line

                                        \(\frac{-1}{m}\)

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

The slope of the perpendicular line m =6

The main answer for the first argument is that we cannot prove that the band could play rock music based on the given premises and rules of inference.

1. Let's assign the following propositions:

  - P: The band could play rock music.

  - Q: The refreshments were delivered on time.

  - R: The New Year's party was canceled.

  - S: Alicia was angry.

  - T: Refunds were made.

2. The given premises can be expressed as:

  (¬P ∨ ¬Q) → (R ∧ S)

  R → T

3. To prove that the band could play rock music (P), we need to derive it using valid rules of inference.

4. Using the premises, we can apply the rule of modus tollens to the second premise:

  R → T        (Premise)

  Therefore, ¬R.

5. Next, we can use disjunctive syllogism on the first premise:

  (¬P ∨ ¬Q) → (R ∧ S)     (Premise)

  ¬R                    (From step 4)

  Therefore, ¬(¬P ∨ ¬Q).

6. Applying De Morgan's law to step 5, we get:

  ¬(¬P ∨ ¬Q)  ≡  (P ∧ Q)

7. Therefore, we can conclude that the band could play rock music (P) based on the premises and rules of inference.

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The solutions to the system of equations in this problem is given as follows:

(0,1) and (0.25, 0).

The graph is given by the image presented at the end of the answer.

The equations that compose the system in this problem are given as follows:

We solve the system graphically, hence the solution is given by the point of intersection of the graphs of the two functions.

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Answer:

93°

Step-by-step explanation:

360 - 244 - 23 = b

b = 93

Answer:

224-23= 201

So it an obtuse angle it over 90 degrees

Step-by-step explanation:

A stack follows LIFO, a queue follows FIFO, and a linked list is a dynamic collection of nodes connected by references.

The difference between a stack, a queue, and a linked list lies in their structure and the way elements are accessed and manipulated.

1. Stack: A stack is a data structure that follows the Last-In-First-Out (LIFO) principle. It resembles a stack of plates, where the last plate added is the first one to be removed. Elements can only be added or removed from the top of the stack. For example, consider a stack of books, where you can only add or remove books from the top.

2. Queue: A queue, on the other hand, follows the First-In-First-Out (FIFO) principle. It is similar to a line of people waiting for a bus, where the first person to arrive is the first one to board the bus. Elements are added at the back of the queue and removed from the front. For instance, think of a queue at a ticket counter, where people join the line at the end and are served from the front.

3. Linked List: A linked list is a data structure that consists of nodes linked together. Each node contains data and a reference to the next node in the list. Unlike arrays, linked lists can dynamically grow and shrink. They can be singly linked (with a reference to the next node) or doubly linked (with references to both the previous and next nodes).In summary, a stack follows LIFO, a queue follows FIFO, and a linked list is a dynamic collection of nodes connected by references.

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The table has a greater rate of change.

The rates of change are equal.

In the given problem, we have a table showing the relationship between x and y values. By comparing the change in y with the change in x, we can determine the rate of change. Looking at the table, we observe that for every increase of 1 in x, there is a corresponding increase of 1 in y. Therefore, the rate of change for this table is 1.

The slopes are equal.

The equation has a greater slope.

In problem 2, we are given a linear equation in the form y = mx + b, where m represents the slope. The given equation is y = 2x + 7, which means the slope is 2. To compare the rates of change, we compare the slopes. If the slopes are equal, the rates of change are equal. In this case, the slopes are equal to 2, so the rates of change are the same.

The function rule has a greater slope.

The slopes are equal.

In problem 3, we are told that as x increases by 1, y increases by 3. This information gives us the rate of change between x and y. The slope of a function represents the rate of change, and in this case, the slope is 3. Comparing the slopes, we find that they are equal, as both have a value of 3. Therefore, the rates of change are the same.

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The solution of the composite function, (f + g)(x)  is 8x + 7

A function relates input and output. In other words, a function is a special relationship among the inputs (independent variable) and their outputs (dependent variable).

A composite function is a function that depends on another function.

Therefore, let's solve the composite function

f(x) = x + 3

g(x) = 7x + 4

Hence,

(f + g)(x) can be solved as follows:

(f + g)(x)  = f(x) + g(x)

(f + g)(x)  = x + 3 + 7x + 4

combine like terms

(f + g)(x)  = x + 7x + 3 + 4

(f + g)(x)  = 8x + 7

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Answer:

70

Step-by-step explanation:

Answer:

girl = 7

boy = 5

Step-by-step explanation:

Answer:

boy = 5

girl = 7

Answer:

       480  ganara de comision de los 12000

para conseguir este resultado debes multiplicar 12000 por 4   y luego dividirlo por 100

To determine the maximal velocity from an acceleration vs. time graph, you need to follow these steps:

Identify the time interval during which the acceleration remains constant or nearly constant. This interval can be identified as a straight line on the graph.

Calculate the acceleration value during this interval by finding the slope of the line. The slope is the change in acceleration divided by the change in time.

Use the acceleration value and the time interval to calculate the change in velocity during this interval using the formula:

Δv = aΔt

Where Δv is the change in velocity, a is the acceleration, and Δt is the time interval.

Add the change in velocity to the initial velocity at the start of the time interval to obtain the maximal velocity. If the initial velocity was zero, then the maximal velocity will be equal to the change in velocity.

vmax = vi + Δv

Where vmax is the maximal velocity and vi is the initial velocity.

Note that this method assumes that the acceleration is constant or nearly constant during the time interval of interest. If the acceleration changes significantly during this time interval, you will need to break it down into smaller intervals and repeat the above steps for each interval to determine the maximal velocity.

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Given the number 101,323?

The correct options are:

Whole number because there is no decimal point.

Integer because there is no decimal point.

Rational because can be written as a/b

So, the answer is options A, B, and C.

Answer:

4

Step-by-step explanation:

slope, m = (y₂ - y₁)/(x₂ - x₁)

plug in the values, and we get m = (3 - (-1))/((3 - 2) = 4

As x increases by 1, y increases by 4.

-1

Step-by-step explanation:

The slope of a line characterizes the direction of a line. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points.

If BC means B*C, you could find AC by doing BC/B*A

A scientist can use bootstrap analysis to estimate the strength of evidence that a particular node in a phylogeny exists.

Bootstrap analysis is a statistical method used to determine the reliability and robustness of phylogenetic trees' topologies. In bootstrap analysis, a series of random resampling with replacement is used to assess how well the observed data fit the phylogenetic hypothesis.

Bootstrap values range from 0 to 100 and reflect the proportion of times that a particular node or branch occurs in the bootstrap replicate trees. Bootstrap values greater than 70% are usually considered strong evidence that a particular node or branch exists in the phylogenetic tree.

Bootstrap analysis is an important tool for understanding the reliability of phylogenetic trees and the evolutionary relationships among organisms.

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the local maximum and minimum values of f using both the first and second derivative tests:

Local maximum at x = 0

Local minimum at x = 1/2

The first derivative of f(x) is f'(x) = 24x(x - 1). The second derivative of f(x) is f''(x) = 24(x - 1).

The first derivative test tells us that f(x) has a critical point at x = 0 and x = 1/2. The second derivative test tells us that f(x) is concave up at x = 0 and concave down at x = 1/2.

Therefore, f(x) has a local maximum at x = 0 and a local minimum at x = 1/2.

Here is a more detailed explanation of the first and second derivative tests:

First derivative test: The first derivative test tells us that if f'(x) = 0 at x = c, then f(x) has a critical point at x = c. The critical point can be a local minimum, a local maximum, or neither. To determine the type of critical point, we can use the second derivative test.

Second derivative test: The second derivative test tells us that if f''(x) > 0 at x = c, then f(x) has a local minimum at x = c. If f''(x) < 0 at x = c, then f(x) has a local maximum at x = c. If f''(x) = 0 at x = c, then the test is inconclusive.

In this case, f'(0) = f'(1/2) = 0. f''(0) = 24 > 0, so f(x) has a local minimum at x = 0. f''(1/2) = -24 < 0, so f(x) has a local maximum at x = 1/2.

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Step-by-step explanation:

If ^A=70, then ^A=^B

Reason being ADııBC or Alternate Angles

if ^D=105,^C=105

Because ADııBC or Alternate Angles

if ^B=2x-6 and ^A=82 then...

x=2x-6=82

TRANSPOSE (remember that signs change)

2x=82+6

2x/2=88/2

x=44

if^C=2(y+4) and ^D=116 then...

^C=^D

2(y+4)=116

(2×y)+(2×4)=116

2y+8=116

TRANSPOSE

2y=116-8

2y/2=108/2

y=54

if ¯AC=56cm then ¯DB

¯AC=¯DB

because ADııBC

Answer:

5x^2+1

Step-by-step explanation:

2x^2 and 3x^2 are like terms so just add them which gives 5x^2.

2 and -1 are like terms so combine them to make 1.

Answer:

5x²-1

Step-by-step explanation:

We are given the expression:

\(2x^2+2 + 3x^2- 1\)

and asked to simplify.

To simplify this expression, we must combine like terms.

2x²⇒ this has a variable, x²

2⇒ no variable

3x²⇒this has a variable, x²

-1⇒ no variable

Group the like terms.

\((2x^2 + 3x^2)+(- 1+2)\)

Add 2x² and 3x². Add the coefficients and add an x² on the end.

\((2+3)x^2+(-1+2)\)

\((5)x^2+(-1+2)\)

\(5x^2+(-1+2)\)

Combine -1 and 2.

\(5x^2+(-1)\)

\(5x^2-1\)

The expression 2x²+2+3x²-1 simplified is 5x²-1

Answer:

85 sheep are grey

Step-by-step explanation: