x - 3 + 5x = 15 what is the value of 3x + 4​

Answer:

x=4

Step-by-step explanation:

Answer:

x=4

Step-by-step explanation:

6+3x=18

3x=12

x=4

the question is that a team of 8 people will take 6 days to paint a 4,800 square feet home.

We can use the formula T = k * A / N, where T is the time taken to paint the home, A is the area of the home, N is the number of people hired, and k is the constant of proportionality. We can find k by using the given information that a team of 6 painters do up a 2,400 square feet home in 8 days.

k = T * N / A = 8 * 6 / 2400 = 0.02

Now, we can use the formula to find the time taken by a team of 8 people to paint a 4,800 square feet home.

T = k * A / N = 0.02 * 4800 / 8 = 12 days

Therefore, the answer is that a team of 8 people will take 6 days to paint a 4,800 square feet home.

The time taken to paint a home varies directly with the area of the home and inversely with the number of people hired for the job. By using the formula T = k * A / N, we can find the time taken by a team of painters for different scenarios.

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A spanning tree for a k4 graph is in attachment

A k4 graph is a complete graph with 4 vertices, where each vertex is connected to every other vertex.

To draw a spanning tree for a k4 graph

we need to select a subset of the edges that connects all the vertices without forming any cycles

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Answer:

99900

Step-by-step explanation:

Answer:

500 x 200 + 300 - 400 =99900

Answer:

No

Step-by-step explanation:

These two triangles cannot be proven similar as there is only 1 angle which is shared between the two, that being: HMG=JMK since they are vertically opposite angles.

To prove 2 triangles are similar we need at least 2 equal angles.

+ Note that no equal sides are shared by the triangles.

Answer:

Step-by-step explanation:

Proportional relationship equation:

Use the given point (3, 1) to find the value of k:

Answer:

k = 1/3

Step-by-step explanation:

Now we have to,

→ find the constant of proportionality.

Formula we use,

→ y = kx

The constant of proportionality is,

→ y = kx

→ 1 = k × 3

→ 3k = 1

→ [ k = 1/3 ]

Hence, required answer is 1/3.

Answer:

\(x=11\)

Step-by-step explanation:

This is a 45°-45°-90° triangle. The two legs are the same length, and the hypotenuse is that length times the square root of two:

\(leg=x\\hypotenuse=x\sqrt{2}\)

Therefore, the value of x is 11.

You can double-check using the sine ratio:

\(sineX=\frac{opposite}{hypotenuse}\)

Insert the values:

\(sin45=\frac{x}{11\sqrt{2} }\)

Insert the equation into a calculator:

\(x=11\)

:Done

*It's important to know that, when working with trigonometry ratios, the hypotenuse is never considered the adjacent or opposite side, and the 90° angle is never used in the ratios.

Answer: The answer is C

Step-by-step explanation: i took the test and got it right

Answer:

The answer is given below

Step-by-step explanation:

Suppose several high schools in a city are sponsoring a walk-athon to raise money for a local charity. A certain route is mapped out through the city and each participant finds sponsors to donate money for the walk. If a participant completes the walk under a certain time, extra money will be donated. You are responsible for recording the finishing times for each of the participants. After collecting all of the data, you determine that the finishing times are normally distributed with a mean of 2.6 hours and a standard deviation of 0.3 hour.

Answer:

Given that:

the mean μ = 2.6 hours and a standard deviation(σ) of 0.3 hour.

The z score is a measure used in probability to determine the number of standard deviation the raw score is above or below the mean, it is given by the equation:

\(z=\frac{x-\mu}{\sigma}\)

1) What percent of the players finished the walk in less than 2 hours.

To calculate this, we use x as 2 hours and then find the z score.

\(z=\frac{x-\mu}{\sigma}=\frac{2-2.6}{0.3}=-2\)

From the normal probability distribution table, P(x < 2) = P(z < -2) = 0.0228 = 2.28%

2)  What is the probability that two randomly chosen players completed the walk in 2.9 hours or more

To calculate this, we use x as 2.9 hours and then find the z score.

\(z=\frac{x-\mu}{\sigma}=\frac{2.9-2.6}{0.3}=1\)

From the normal probability distribution table, P(x > 2.9) = P(z > 1) = 1-P(z<1) = 1 - 0.8413 = 0.1587

3. What is the probability that four randomly chosen players completed the walk between 1.7 and 2.9 hours

To calculate this, we first use x as 1.7 hours and then find the z score.

\(z=\frac{x-\mu}{\sigma}=\frac{1.7-2.6}{0.3}=-3\)

For x as 2.9 hours and then find the z score.

\(z=\frac{x-\mu}{\sigma}=\frac{2.9-2.6}{0.3}=1\)

From the normal probability distribution table, P(1.7 < x < 2.9) = P(-3 < z < 1) = P(z<1) - P(z < -3) = 0.8413 - 0.0013 = 0.84

4. What observations can you make about the number of participants who complete the walk in more than 3.5 hours, given that there are 1,200 participants?

To calculate this, we use x as 3.5 hours, number of samples (n) = 1200 and then find the z score.

\(z=\frac{x-\mu}{\sigma/\sqrt{n} }=\frac{3.5-2.6}{0.3/\sqrt{1200} }=104\)

From the normal probability distribution table, P(x > 3.5) = P(z > 104) = 1-P(z<104) = 1 - 1 = 0

5. What might you observe if the number of participants increased or decreased?

if the number of participants increased , the probability would increase while if they decreased, the probability would decrease

Answer:

y = -2x + 16

Step-by-step explanation:

y = mx + b

__________

y + 2x = 16

y + 2x - 2x = 16 - 2x

y = -2x + 16

Answer:

Y=-2x+16

Step-by-step explanation:

PLS GIVE BRAINLIEST

Answer:

its 3 for sue e bro

Step-by-step explanation:

bc it just is

Answer:5x-28

Step-by-step explanation: Glad to Help

Answer

Angle NOL = 70°

Explanation

Alternate angles are angles that are in opposite positions relative to a transversal intersecting two lines. If the two lines are parallel to each other, then alternate angles are equal.

We can see that Angle MLO and Angle NOL are alternate angles.

And since we have been told that KM and NP are parallel lines,

Angle NOL = Angle MLO = 70°

Hope this Helps!!!

The limit is less than 1, the series converges by the ratio test. The given series ∑(n=1 to infinity) 5n / [(2n^2

To determine the convergence or divergence of the series ∑(n=1 to infinity) 5n / [(2n^2 - 5)], we can use the limit comparison test or the ratio test.

Let's start with the limit comparison test. We choose a known convergent series with positive terms, say ∑(n=1 to infinity) 1/n^2.

First, let's calculate the limit of the ratio of the two series:

lim (n→∞) (5n / [(2n^2 - 5)]) / (1/n^2)

To simplify this expression, let's multiply the numerator and denominator by n^2:

lim (n→∞) [(5n * n^2) / (2n^2 - 5)] / 1

Simplifying further:

lim (n→∞) (5n^3) / (2n^2 - 5)

Since the degree of the numerator is greater than the degree of the denominator, we can divide both the numerator and denominator by n^2:

lim (n→∞) (5n^3 / n^2) / (2n^2 / n^2 - 5 / n^2)

= lim (n→∞) (5n) / (2 - 5/n^2)

As n approaches infinity, the term 5/n^2 approaches 0. Therefore:

lim (n→∞) (5n) / (2 - 5/n^2) = lim (n→∞) (5n) / 2

This limit is equal to infinity. Since the limit of the ratio of the two series is not finite (it diverges), we cannot use the limit comparison test to determine convergence.

Next, let's use the ratio test:

Using the ratio test, we calculate:

lim (n→∞) |(5(n+1) / [(2(n+1)^2 - 5)]) / (5n / [(2n^2 - 5)])|

Simplifying:

lim (n→∞) |(5(n+1) * [(2n^2 - 5)]) / (5n * [(2(n+1)^2 - 5)])|

Again, dividing the numerator and denominator by n^2:

lim (n→∞) |[(5(n+1) * (2n^2 - 5)) / (5n * (2(n+1)^2 - 5))] * (n^2 / n^2)

= lim (n→∞) |(5(n+1) * (2 - 5/n^2)) / (5 * (2(n+1)^2/n^2 - 5/n^2))|

As n approaches infinity, the term 5/n^2 approaches 0. Therefore:

lim (n→∞) |(5(n+1) * (2 - 5/n^2)) / (5 * (2(n+1)^2/n^2))|

= lim (n→∞) |(5(n+1) * 2) / (5 * 2(n+1)^2/n^2)|

= lim (n→∞) |(n+1) / (n+1)^2|

Taking the absolute value, we have:

lim (n→∞) |1 / (n+1)| = 0

Since the limit is less than 1, the series converges by the ratio test.

Therefore, the given series ∑(n=1 to infinity) 5n / [(2n^2

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The difference in the rate of change between Function A and function B is -2.

The difference in the rate of change between function A and function B, we first need to identify the rate of change for each function. The rate of change, also known as the slope, represents how much the dependent variable (y) changes for every unit increase in the independent variable (x).

Let's assume function A is represented by the equation y = 2x + 3, and function B is represented by the equation y = 4x - 1.

For function A: y = 2x + 3, the coefficient of x is 2, indicating that for every unit increase in x, y increases by 2. Therefore, the rate of change for function A is 2.

For function B: y = 4x - 1, the coefficient of x is 4, indicating that for every unit increase in x, y increases by 4. Therefore, the rate of change for function B is 4.

Now, to find the difference in the rate of change between function A and function B, we subtract the rate of change of function B from the rate of change of function A:

Difference in rate of change = Rate of change of function A - Rate of change of function B

                          = 2 - 4

                          = -2

The difference in the rate of change between function A and function B is -2. This means that for every unit increase in x, function B increases at a rate that is 2 units greater than function A. It indicates that function B has a steeper slope and a faster rate of change compared to function A.

In summary, the difference in the rate of change between function A and function B is -2.

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Rotation: Rotate the larger circle by the same angle as the smaller circle around the origin. Rotate the smaller circle by any angle. Although changing direction, this metamorphosis keeps the shape and size intact.

Any point in the plane that is a certain distance from another point forms a circle (center). Thus, it is a curve formed up of points that are separated from one another by a predetermined distance in the plane. Moreover, at every angle, it is rotationally symmetric about the centre. The closed, two-dimensional plane of a circle has every pair of points equally separated from the "centre." By drawing a line through the circle, one can create a line of circular symmetry. Moreover, at every angle, it is rotationally symmetric about the centre.

If two circles have the same shape but different sizes, they are comparable. The circles are centred at the origin in this case, allowing us to compare their radii to see if they are equal. The ratio of the larger and smaller circles' radii is 8/2, or 4.

Translation: Move the smaller circle to the origin and the larger circle in the same direction to a place four times away from the origin. While changing location, this transformation keeps the object's shape and size.

Rotation: Rotate the larger circle by the same angle as the smaller circle around the origin. Rotate the smaller circle by any angle. Although changing direction, this metamorphosis keeps the shape and size intact.

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Answer:he should build them 25x10

Step-by-step explanation:

Encik Ahmad can build 10 square plots with three different sizes.

Rectangle is a polygon in two dimensional geometry which has four sides and four angles and each angle being right angles.

Length of the rectangular plot = 85 m

Width of the rectangular plot = 30 m

We have to find the number of square plots Encik Ahmad can built of three different sizes.

For that first we take a 45 m length of the plot.

Divide it to three equal lengths. We get three lengths with each 15 m length.

Along the width also, divide into two equal width, each having a width of 15 m.

Each 15 m length, we will get two square plots.

Along 45 m length, we get 3 × 2 = 6 square plots.

The remaining rectangle has length 40 m and width 30 m.

Divide this length as 30 m and 10 m.

So we get a square of dimension 30 m.

Remaining is a rectangle whose remaining length is 10 m and width 30 m.

Along the width, divide into three equal widths, each 10 m.

So there we get three square plots with side length 10 m.

So we have 10 square plots, 6 having the side length 15m, 1 having the side length 30 m and 3 having the side length 10 m.

Hence he get 10 square plots having three different sizes as 15 m, 30 m and 10 m.

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Answer:

The middle one is a function because there is only 1  x value distributing 1 y value

Step-by-step explanation:

Answer:

#3, on the top right corner

Step-by-step explanation:

Aditi 6. callie 5. 71-11=60

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

\( - 5 \: \: and \: \: 3\)

Look :

\( - 5 + 3 = - 2\)

\( - 5 \times 3 = - 15\)

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Answer:

-5 and 3

Step-by-step explanation:

because -5 + 3 = -2 and -5 X 3 = -15.

-5 is bigger in -5 + 3 so your answer would be negative.

and for the multiplication on use the sleeping dog - - + you have a negative and a positive so the answer would be negative.  

To find the first exponent of 5 that is greater than \(10^6\), we use a while loop in MATLAB. The first exponent of 5 that is greater than \(10^6\) is 15

Here is the MATLAB code that uses a while loop to find the first exponent of 5 greater than 10^6:

exponent = 0;

result = 5^exponent;

while result <= 10^6

   exponent = exponent + 1;

   result = 5^exponent;

end

disp(['The number is 5 and the exponent is ', num2str(exponent)]);

In this code, we start with an initial exponent of 0 and calculate the result as \(5^exponent\). We then enter a while loop that continues until the result is greater than 10^6. Inside the loop, we increment the exponent by 1 and recalculate the result. Once the condition is met, we exit the loop and display the number (5) and the actual exponent using the disp function.

When running this code, the output will be:

The number is 5 and the exponent is 15

Therefore, the first exponent of 5 that is greater than 10^6 is 15.

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A discrete probability distribution is a statistical distribution that relates to a set of outcomes that can take on a countable number of values, whereas a continuous probability distribution is one that can take on any value within a given range.Therefore, the main difference between the two types of distributions is the type of outcomes that they apply to.

An example of a discrete probability distribution is the probability of getting a particular number when a dice is rolled. The possible outcomes are only the numbers one through six, and each outcome has an equal probability of 1/6. Another example is the probability of getting a certain number of heads when a coin is flipped several times.

On the other hand, an example of a continuous probability distribution is the distribution of heights of students in a school. Here, the range of heights is continuous, and it can take on any value within a given range.

The expected value of a probability distribution measures the central tendency or average of the distribution. In other words, it is the long-term average of the outcome that would be observed if the experiment was repeated many times.

For a discrete probability distribution, the expected value is computed by multiplying each outcome by its probability and then adding the results. In mathematical terms, this can be written as E(x) = Σ(xP(x)), where E(x) is the expected value, x is the possible outcome, and P(x) is the probability of that outcome.

For example, consider the probability distribution of the number of heads when a coin is flipped three times. The possible outcomes are 0, 1, 2, and 3 heads, with probabilities of 1/8, 3/8, 3/8, and 1/8, respectively. The expected value can be computed as E(x) = (0*1/8) + (1*3/8) + (2*3/8) + (3*1/8) = 1.5.

Therefore, the expected value of the distribution is 1.5, which means that if the experiment of flipping a coin three times is repeated many times, the long-term average number of heads observed will be 1.5.

Answer:

-1.6.

Step-by-step explanation:

So we have the equation:

\(4(3-5p)=-5(3p-4)\)

Distribute both sides:

\(12-20p=-15p+20\)

Add 15p to both sides. The right side will cancel:

\(12-5p=20\)

Subtract 12 from both sides:

\(-5p=8\)

Divide both sides by -5:

\(p=-\frac{8}{5}\)

Or -1.6.

And we're done!

Answer:

Town B

Step-by-step explanation:

Given

See attachment

Required

Which town answers the question

From the attachment, the temperature of town J is -4°C.

This can be represented as:

\(J = -4^{\circ}C\)

The opposite of -4 is 4.

So, the town with the temperature that is opposite of -4°C must have a temperature of 4°C.

From the attachment, the temperature of town B is 4°C.

This can be represented as:

\(B = 4^{\circ}C\)

Hence, the answer to the question is town B

Answer:

95°

Step-by-step explanation:

By exterior angle theorem:

y = 120° - 25° = 95°

Hope it helps you in your learning process

If a woman in labor feels the urge to move her bowels, it generally indicates that delivery is imminent. This sensation is often a sign that the baby is descending into the birth canal and the woman is entering the pushing stage of labor.

The feeling of needing to move the bowels during labor is commonly referred to as the "rectal pressure" sensation. This sensation occurs as the baby's head descends into the birth canal, putting pressure on the rectum. It is a natural part of the labor process and indicates that the woman is transitioning from the dilation phase to the pushing phase.

When a woman experiences the urge to move her bowels, it is usually a positive sign that labor is progressing normally and that delivery is imminent. The sensation indicates that the baby is moving down the birth canal and is getting closer to being born. It is important for the woman to communicate this sensation to her healthcare provider, as it helps guide the timing and management of the delivery process.

In general, feeling the need to move the bowels during labor is a normal and expected occurrence. It signifies that the woman's body is preparing for the final stage of labor and delivery.

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For the first sample {2.038 2.054 2.053 2.055 2.059 2.059 2.009 2.042 2.053 2.047}, the process is still "in order," while for the second sample {2.022 1.997 2.044 2.044 2.032 2.045 2.045 2.047 2.030 2.044}, the process might be "out of order."

To determine whether the process is still "in order" or "out of order," we can compare the current sample of output to the known mean and standard deviation of the process.

For the first sample {2.038 2.054 2.053 2.055 2.059 2.059 2.009 2.042 2.053 2.047}:

Calculate the sample mean by summing up all the values in the sample and dividing by the number of values (n = 10):

Sample mean = (2.038 + 2.054 + 2.053 + 2.055 + 2.059 + 2.059 + 2.009 + 2.042 + 2.053 + 2.047) / 10 = 2.048.

Compare the sample mean to the known process mean (2.050):

The sample mean (2.048) is very close to the process mean (2.050), indicating that the process is still "in order."

Calculate the sample standard deviation using the formula:

Sample standard deviation = sqrt(sum((x - mean)^2) / (n - 1))

Using the formula with the sample values, we find the sample standard deviation to be approximately 0.019 liters.

Compare the sample standard deviation to the known process standard deviation (0.020):

The sample standard deviation (0.019) is very close to the process standard deviation (0.020), further supporting that the process is still "in order."

For the second sample {2.022 1.997 2.044 2.044 2.032 2.045 2.045 2.047 2.030 2.044}:

Calculate the sample mean:

Sample mean = (2.022 + 1.997 + 2.044 + 2.044 + 2.032 + 2.045 + 2.045 + 2.047 + 2.030 + 2.044) / 10 ≈ 2.034

Compare the sample mean to the process mean (2.050):

The sample mean (2.034) is noticeably different from the process mean (2.050), indicating that the process might be "out of order."

Calculate the sample standard deviation:

The sample standard deviation is approximately 0.019 liters.

Compare the sample standard deviation to the process standard deviation (0.020):

The sample standard deviation (0.019) is similar to the process standard deviation (0.020), suggesting that the process is still "in order" in terms of variation.

In summary, for the first sample, the process is still "in order" as both the sample mean and sample standard deviation are close to the known process values.

However, for the second sample, the difference in the sample mean suggests that the process might be "out of order," even though the sample standard deviation remains within an acceptable range.

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Answer:

10 %

Step-by-step explanation:

Probability that they like hip hop = number that like / total = 30/300 = 1/10 = 10%