an USA 3 23:54 -44358 You can plot this function is Demos pretty easily. To do so enter the function as shown below. x f(x) = {0

Answer:

x=-7

Step-by-step explanation:

5x - 2x + 7 - x = x

2x - x = x - 7 - x

x = - 7

2x = x - 7

2x + 7 = x

2x + 7 - 7 =x7

Answer: D IS THE CORRECT ANSWER

Step-by-step explanation: MARK BRAINLIEST PLS

Answer:

I took the test ._.

False. A truth table for p V ~q requires only two possible combinations of truth values.

False. A truth table for p V ~q requires a total of two possible combinations of truth values.

The statement "p V ~q" is a logical disjunction, meaning it is true if either p is true or ~q is true (or both). There are only two possible truth values for each of these propositions: true or false. Therefore, there are only two possible combinations of truth values for the statement "p V ~q," which are:

- p is true, ~q is false (i.e., q is true)
- p is true, ~q is true (i.e., q is false)

Visit to know more about Truth values:-

brainly.com/question/28972350

#SPJ11

Answer:

c

Step-by-step explanation:

The maximum likelihood estimator for p is: X/N

Let X1, X2, ..., Xn be n independent Bernoulli trials with success probability p and let N be a known positive integer. The number of successes observed is denoted by X = X1 + X2 + ... + Xn, and we want to estimate p.

Suppose that N is known and only success probability p is unknown. Compute the method of moment estimator and the maximum likelihood estimator for p.

The sample mean is a method-of-moments estimator of the population mean. This is one way of defining the method of moments. In this particular case, the population mean is equal to p, which is what we want to estimate.

The sample mean is equal to X / N.

Therefore, the method of moments estimator for p is:X/N

Maximum likelihood estimator

The probability mass function of X is given by:

\(P(X = k) = C(N,k) * pk * (1 - p) {}^{(N-k)} \)

where C(N,k) is the binomial coefficient (N choose k).

The log-likelihood function is given by:

\(ln(L(p)) = ln[C(N,X) * px * (1 - p) {}^{(N-X} ]\)

where X is a constant. Taking the derivative of this function with respect to p and setting it equal to zero, we get:

p = X / N

Learn more about probability at:

https://brainly.com/question/29844944

#SPJ11

to get the equation of any straight line all we need is two points from it, let's use those ones in the picture.

\((\stackrel{x_1}{0}~,~\stackrel{y_1}{1})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{3}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{3}-\stackrel{y1}{1}}}{\underset{run} {\underset{x_2}{3}-\underset{x_1}{0}}}\implies \cfrac{2}{3}\implies \cfrac{2}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{1}=\stackrel{m}{\cfrac{2}{3}}(x-\stackrel{x_1}{0})\implies y=\cfrac{2}{3}x+1\)

The ending values in vector `x` after executing the given code snippet would be `7 3 0 8 8`.

The given code snippet appears to be incorrect and incomplete. There are a few issues:

1. The loop condition is not properly defined. Instead of `i < x.size() - 1`, it should be `i < x.size() - 1` to ensure that `i` does not exceed the valid index range of the vector `x`.

2. The increment expression `i` is missing in the loop statement, causing an infinite loop since `i` never changes.

Assuming the correct loop condition is `i < x.size() - 1` and the missing increment expression is `i++`, let's correct the code:

cpp

#include <iostream>

#include <vector>

int main() {

   std::vector<int> x = {4, 7, 3, 0, 8};

   int i;

   for (i = 0; i < x.size() - 1; i++) {

       x.at(i) = x.at(i + 1);

   }

   // Printing the modified vector x

   for (int element : x) {

       std::cout << element << " ";

   }

   std::cout << std::endl;

  return 0;

}

Now, running this corrected code will give the following output:

7 3 0 8 8

After executing the loop, the vector `x` will have the ending values `7, 3, 0, 8, 8`. The last element `x.at(4)` is assigned the value of `x.at(4 + 1)`, which is `8`.

Learn more about loop here: https://brainly.com/question/32065825

#SPJ11

Answer:

y = 5x + 5

Step-by-step explanation:

the slope to be parallel y = 5x + 7 must still be 5. To make the line pass through T, the given point, you plug (-2, -5) into the y= mx + b formula. This becomes( -5 )= 5 (-2) + B, and you solve for b. In this equation, b = 5.

Answer:

The Answere is 3 centimeters

Step-by-step explanation:

Google is an amazing professer

\(\qquad\) \(\purple{\twoheadrightarrow\bf 2cos^2A = 1 + cos2A }\)

\(\qquad\) \(\purple{\twoheadrightarrow\bf a^3 +b^3 = (a+b)^3 -3ab(a+b)}\)

\(\qquad\) \(\purple{\twoheadrightarrow\bf 2 sinA cosA = sin2A}\)

________________________________________

1)

\(\qquad\) \(\twoheadrightarrow\bf L.H.S\)

\(\qquad\) \(\pink{\twoheadrightarrow\bf cos^4 x}\)

\(\qquad\) \(\twoheadrightarrow\sf \dfrac{1}{4} (2cos^2x)^2\)

\(\qquad\) \(\twoheadrightarrow\sf \dfrac{1}{4}(1+cos2x)^2\)

\(\qquad\) \(\twoheadrightarrow\sf \dfrac{1}{4}(1+2cos2x+cos^22x)\)

\(\qquad\) \(\twoheadrightarrow\sf \dfrac{1}{4}+\dfrac{1}{2}cos2x+\dfrac{1}{8}\times 2cos^22x\)

\(\qquad\) \(\twoheadrightarrow\sf \dfrac{1}{4}+\dfrac{1}{2}cos2x+\dfrac{1}{8}\times(1+cos4x)\)

\(\qquad\) \(\pink{\twoheadrightarrow\bf \dfrac{1}{4}+\dfrac{1}{2}cos2x+\dfrac{1}{8}\times cos4x} \)

\(\qquad\) \(\twoheadrightarrow\bf R.H.S\)

______________________________________

2)

\(\qquad\) \(\twoheadrightarrow\bf L.H.S\)

\(\qquad\) \(\pink{\twoheadrightarrow\bf cos^6\theta +sin^6\theta }\)

\(\qquad\) \(\twoheadrightarrow\sf (cos^2\theta)^3 +(sin^2\theta)^3\)

\(\twoheadrightarrow\sf (cos^2\theta +sin^2\theta)^3 -3cos^2\theta sin^2\theta (cos^2\theta +sin^2\theta)\)

\(\qquad\) \(\twoheadrightarrow\sf 1-3\times \dfrac{1}{4}\times 4(sin\theta cos\theta) ^2\)

\(\qquad\) \(\twoheadrightarrow\sf 1-\dfrac{3}{4}(2sin\theta cos\theta) ^2\)

\(\qquad\) \(\pink{\twoheadrightarrow\sf 1-\dfrac{3}{4}sin^22\theta}\)

\(\qquad\) \(\twoheadrightarrow\bf R.H.S\)

Step-by-step explanation:

the slope = (8-5)/(-6+2) = 3/-4 = -¾

The height of the building is 71 meters.

We can solve this problem using the similar triangles. The height of the building can be determined by setting up the following proportion:

(the height of pole) / (length of pole's shadow) = (height of building) / (length of building's shadow)

Substituting the given values:

2.8 / 1.49 = (height of building) / 37.5

To find the height of the building, we can cross-multiply and solve for it:

(2.8 * 37.5) / 1.49 = height of building

Calculating the expression on the right side:

(2.8 * 37.5) / 1.49 ≈ 70.7013

Rounding to the nearest meter, the height of the building is approximately 71 meters.

Learn more about heigth building at https://brainly.com/question/7289008

#SPJ11

Answer:

The possible graph is "A". A further explanation is given below.

Step-by-step explanation:

The given values are:

Dominick spends on running

= 0.70 hours

He spends on swimming

= 1.5 hours

This week,

Dominick spends more than six hours.

If,

Number of runs be "x".

Number of swimming be "y".

then,

⇒ \(0.75x+1.5y>6\)

⇒ \(75x+150y>600\)

⇒ \(x+2y>8\)

Therefore, \(x+2y=8\)

x = 0

y = 4

So the above is the correct answer.

The function with the greatest rate of change are:

1. C = 3

2. A = 5

3. A = 1

4. B = 3

The rate of change of a linear function, also known as the slope of the line, represents the amount by which the output (y) changes for a given change in the input (x). In other words, it is the measure of how steep the line is.

The formula for the rate of change, or slope, of a linear function is:

slope = (change in y) / (change in x)

1. Rate of change for function A = change in y / change in x = 4/3

For B = 1/2

For C = 3/1 = 3

The function with the greatest rate of change is C = 3

2. Rate of change for function A = change in y / change in x = (10 - 5)/(1 - 0) = 5

For B = (12 - 8) / (3 - 1) = 2

For C = (6 - 3)/(1 - 0) = 3

The function with the greatest rate of change is A = 5

3. Rate of change for function A = change in y / change in x = 2/2 = 1

For B = (3 - 2)/(2 - 0) = 1/2

For C = 1/3

The function with the greatest rate of change is A = 1

4. Rate of change for function A = change in y / change in x = -1/3

For B = (10 - 1)/(4 - 1) = 3

For C = 2

The function with the greatest rate of change is B = 3

Learn more about rate of change on:

https://brainly.com/question/29362528

#SPJ1

Answer:

3

Step-by-step explanation:

needed to write more but it's still 3

Answer:

12.9

Step-by-step explanation:

Therefore, the probability that the random variable X falls between 37 and 85 is approximately 0.8916 or 89.16%.

To compute the probability P(37 < X < 85) for a normally distributed random variable X with a mean μ = 70 and standard deviation σ = 12, we need to standardize the values and use the standard normal distribution.

First, we calculate the z-scores for the given values:

z1 = (37 - μ) / σ = (37 - 70) / 12 ≈ -2.75

z2 = (85 - μ) / σ = (85 - 70) / 12 ≈ 1.25

Next, we use a standard normal distribution table or a calculator to find the probabilities associated with the z-scores.

Using a standard normal distribution table, we find:

P(Z < -2.75) ≈ 0.0028 (probability corresponding to z1)

P(Z < 1.25) ≈ 0.8944 (probability corresponding to z2)

To find the probability of the interval (37 < X < 85), we subtract the probability associated with the lower value from the probability associated with the upper value:

P(37 < X < 85) = P(-2.75 < Z < 1.25) = P(Z < 1.25) - P(Z < -2.75) ≈ 0.8944 - 0.0028 ≈ 0.8916

To know more about probability,

https://brainly.com/question/30699069

#SPJ11

The volume enclosed by the two curves when revolved about the x-axis is \(\(\frac{6\pi}{5} \ln 3 - \frac{3\pi}{2} \cdot 3^{\frac{4}{5}}\).\) To find the volume when the area enclosed by the graphs of \(\(y = x^2\)\)and \(\(y = \frac{3}{x^3}\)\) is revolved about the x-axis, we can use the method of cylindrical shells.

First, let's find the points of intersection between the two curves by setting them equal to each other:

\(\[x^2 = \frac{3}{x^3}\]\)

To simplify this equation, we can multiply both sides by \(\(x^3\)\):

\(\[x^5 = 3\]\)

Now, taking the fifth root of both sides:

\(\[x = \sqrt[5]{3}\]\)

So the two curves intersect at \(\(x = \sqrt[5]{3}\)\).

To calculate the volume area enclosed by the graphs of \(\(y = x^2\)\)and \(\(y = \frac{3}{x^3}\)\) is revolved about the x-axis, we need to integrate the circumference of each cylindrical shell multiplied by its height. The height of each shell is the difference in the y-values of the two curves, and the circumference is\(\(2\pi x\)\).

Let's integrate from \(\(x = 0\)\) to \(\(x = \sqrt[5]{3}\)\):

\(\[V = \int_0^{\sqrt[5]{3}} 2\pi x \left(\frac{3}{x^3} - x^2\right) \, dx\]\)

Simplifying this expression:

\(\[V = 2\pi \int_0^{\sqrt[5]{3}} \left(\frac{3}{x} - x^3\right) \, dx\]\)

Integrating each term separately:

\(\[V = 2\pi \left[3 \ln|x| - \frac{x^4}{4}\right]_0^{\sqrt[5]{3}}\]\)

Plugging in the limits of integration:

\(\[V = 2\pi \left[3 \ln|\sqrt[5]{3}| - \frac{\sqrt[5]{3}^4}{4}\right] - 2\pi \left[3 \ln|0| - \frac{0^4}{4}\right]\]\)

Since \(\(\ln|0|\)\)is undefined, the second term on the right side is zero:

\(\[V = 2\pi \left[3 \ln|\sqrt[5]{3}| - \frac{\sqrt[5]{3}^4}{4}\right]\]\)

Simplifying further:

\(\[V = 2\pi \left[3 \ln 3^{\frac{1}{5}} - \frac{3}{4} \cdot 3^{\frac{4}{5}}\right]\]\)

Using the properties of logarithms, we can simplify the first term:

\(\[V = 2\pi \left[3 \cdot \frac{1}{5} \ln 3 - \frac{3}{4} \cdot 3^{\frac{4}{5}}\right]\]\)

\(\[V = \frac{6\pi}{5} \ln 3 - \frac{3\pi}{2} \cdot 3^{\frac{4}{5}}\]\)

So the volume enclosed by the two curves when revolved about the x-axis is \(\(\frac{6\pi}{5} \ln 3 - \frac{3\pi}{2} \cdot 3^{\frac{4}{5}}\).\)

Learn more about area here: https://brainly.com/question/16151549

#SPJ11

We can see that there is at least one row where all premises are true (row 7), but the conclusion is false. Therefore, the argument is invalid.

To construct a symbolic model of the argument, let's define the following symbols:

P: Jayco qualifies as a small business.

Q: Jayco has sales that are not large enough to influence its environment.

R: Jayco is privately owned by a small group of individuals.

Now we can represent the statements in symbolic form:

Premise 1: P ≡ (Q • R)

Premise 2: ~P

Conclusion: ~R

To determine if the argument is valid or invalid, we can construct a truth table:

| P | Q | R | P ≡ (Q • R) | ~P | ~R |

|---|---|---|-------------|----|----|

| T | T | T |      T      |  F |  F |

| T | T | F |      F      |  F |  T |

| T | F | T |      T      |  F |  F |

| T | F | F |      F      |  F |  T |

| F | T | T |      F      |  T |  F |

| F | T | F |      T      |  T |  T |

| F | F | T |      F      |  T |  F |

| F | F | F |      T      |  T |  T |

From the truth table, we can see that there is at least one row where all premises are true (row 7), but the conclusion is false. Therefore, the argument is invalid.

Learn more about argument from

https://brainly.com/question/29980980

#SPJ11

Answer:

6/5

Step-by-step explanation:

The length of the garden can be squared to determine the number of concrete tiles required for a garden of any length. We would want 6 x 6 = 36 tiles, for instance, if the garden was 6 meters long.

We can count the number of concrete tiles required for each length using the accompanying sketches to generate a table for gardens of various lengths.

We can see from this table that the quantity of tiles required for each length is equal to the length squared. For a garden that is 3 meters long, for instance, we would want 3 x 3 = 9 tiles for each of the 3 rows, for a total of 27 tiles.

The number of tiles required for longer gardens is equal to the length of the garden squared, and this pattern is maintained.

Therefore, The length of the garden can be squared to determine the number of concrete tiles required for a garden of any length. We would want 6 x 6 = 36 tiles, for instance, if the garden was 6 meters long.

To learn more about concrete tiles, visit the link below:

https://brainly.com/question/18799727

#SPJ4

The given system of equation are :

-6x - y = -16

-6x -5y = -8

On subtracting both the equation we get :

-6x -y -(-6x -5y) = -16 -(-8)

-6x -y +6x +5y = -16 +8

-6x + 6x +5y -y = -8

4y = -8

4y = -8

Divide both side by 4:

4y/4 = -8/4

y = -2

Substitute the value of y =- 2 in the any one equation:

-6x - y = -16

-6x - (-2)= -16

-6x + 2 = -16

-6x = -16 -2

-6x = -18

x = 3

Answer : x = 3, y = -2

Answer:

Infinite describes things that are endless

Step-by-step explanation:

Alice paid $25 for her pair of jeans, and Jeff paid $4 for the steaks.

Let's calculate the final amount paid by Alice and Jeff for their purchases.

Alice:

Jeff:

So, Alice paid $25 for her pair of jeans, and Jeff paid $4 for the steaks.

Learn more about discount here https://brainly.com/question/15319179

#SPJ4

the arc length of the sector is 7.85 meters.

The circumference is define for a circle is given by the formula:

C = 2πr

where C is the circumference, π is the value of pi, and r is the radius of the circle.

In this case, the circumference of the circle is given as 20π meters. So we can write:

20π = 2πr

Dividing both sides by 2π, we get:

r = 10 meters

The arc length of a sector of a circle with central angle θ and radius r is given by the formula:

Arc length = (θ/360°) x 2πr

where θ is the central angle in degrees.

In this case, the central angle of the sector is 45°, and the radius of the circle is 10 meters. So we can substitute these values into the formula:

Arc length = (45/360) x 2π(10) = (1/8) x 20π = 2.5π

Using the value of pi as 3.14, we can calculate the arc length as:

2.5π = 2.5 x 3.14 = 7.85 meters

Therefore, the arc length of the sector is 7.85 meters.

To know more about radius, visit:

https://brainly.com/question/13449316

#SPJ1

The speed of the plane in still air is 87 mph and the speed of the wind is 29 mph.

The cost of one package of tulip bulbs is $10.8 and the cost of one bag of daffodil bulbs is $8.5.

A van can carry 14 students and a bus can carry 62 students.

There are 13 students in each van and 59 students in each bus.

Let the speed of the plane be p and the speed of the wind be w. Then we have the following system of equations:

p + w = d/t1 = 580/5 = 116

p - w = d/t2 = 580/10 = 58

Adding the two equations, we get:

2p = 174

p = 87 mph

Substituting this value into either equation, we get:

w = 29 mph

Therefore, the speed of the plane in still air is 87 mph and the speed of the wind is 29 mph.

Let the cost of one package of tulip bulbs be x and the cost of one bag of daffodil bulbs be y. Then we have the following system of equations:

6x + 12y = 198

7x + 6y = 127

Multiplying the second equation by 2 and subtracting it from the first equation, we get:

5x = 54

x = 10.8

Substituting this value into either equation, we get:

y = 8.5

Therefore, the cost of one package of tulip bulbs is $10.8 and the cost of one bag of daffodil bulbs is $8.5.

Let the number of students a van can carry be x and the number of students a bus can carry be y. Then we have the following system of equations:

16x + 8y = 752

5x + 5y = 380

Simplifying the second equation, we get:

x + y = 76

Multiplying this equation by 8 and subtracting it from the first equation, we get:

8x = 112

x = 14

Substituting this value into either equation, we get:

y = 62

Therefore, a van can carry 14 students and a bus can carry 62 students.

Let the number of students a van can carry be x and the number of students a bus can carry be y. Then we have the following system of equations:

16x + 5y = 417

10x + 8y = 480

Multiplying the first equation by 2 and subtracting it from the second equation, we get:

6x = 42

x = 7

Substituting this value into either equation, we get:

y = 51

Therefore, a van can carry 7 students and a bus can carry 51 students.

Let the number of students in each van be x and the number of students in each bus be y. Then we have the following system of equations:

14x + 16y = 1086

10x + 13y = 870

Multiplying the first equation by 13 and subtracting it from the second equation multiplied by 16, we get:

2x = 26

x = 13

Substituting this value into either equation, we get:

y = 59

Therefore, there are 13 students in each van and 59 students in each bus.

Learn more about speed on:

https://brainly.com/question/13943409

#SPJ1

7) A plane traveled 580 miles to Ankara and back. The trip there was with the wind. It took 5 hours. The trip back was into the wind. The trip back took 10 hours. Find the speed of the plane in still air and the speed of the wind.

8) Amanda and Ndiba are selling flower bulbs for a school fundraiser. Customers can buy packages of tulip bulbs and bags of daffodil bulbs. Amanda sold 6 packages of tulip bulbs and 12 bags of daffodil bulbs for a total of $198. Ndiba sold 7 packages of tulip bulbs and 6 bags of daffodil bulbs for a total of $127. Find the cost each of one package of tulips bulbs and one bag of daffodil bulbs.

9) The local amusement park is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented and filled 16 vans and 8 buses with 752 students. High School B rented and filled 5 vans and 5 buses with 380 students. Each van and each bus carried the same number of students. How many students can a van carry? How many students can a bus carry?

10) The senior classes at High School A and High School B planned separate trips to New York City. The senior class at High School A rented and filled 16 vans and 5 buses with 417 students. High School B rented and filled 10 vans and 8 buses with 480 students. Every van had the same number of students in it as did the buses. How many students can a van carry? How many students can a bus carry?

11) The senior classes at High School A and High School B planned separate trips to the water park. The senior class at High School A rented and filled 14 vans and 16 buses with 1086 students. High School B rented and filled 10 vans and 13 buses with 870 students. Every van had the same number of students in it as did the buses. Find the number of students in each van and in each bus.

The radius of the circle is approximately 10.17 units (rounded to two decimal places).

To find the radius of the circle, we need to use the formula that relates the central angle to the length of the arc and the radius of the circle. The formula is given as:

arc length = radius x central angle

In this case, the arc length is given as 24.4 and the central angle is given as 2.4 radians. Substituting these values in the formula, we get:

24.4 = r x 2.4

Solving for r, we get:

r = 24.4 / 2.4

r ≈ 10.17

To learn more about : radius

https://brainly.com/question/24375372

#SPJ11

Answer: 32% is equal to 32/100.

Step-by-step explanation: This is because 32% is also equal to 0.32. Percents are evaluted with the fraction denominator 100. 32/100 is also 32 parts out of 100 parts. This expression represents 32%.