PLS HELP THIS IS DUE TODAY

The arc length function s(t) for the curve measured from the point P in the direction of increasing t.

s(t) = = \(√46(t − 4)\)

The point 7 units along the curve from P is (57/46, 275/23, 699/46).

(a) To find the arc length function s(t), we need to integrate the magnitude of the derivative of r(t) with respect to t. That is,

\(|′()| = √((′_())^2 + (′_())^2 + (′_())^2)\)

\(= √((-1)^2 + 6^2 + 3^2)\)

= √46

So, the arc length function is:

s(t) = \(∫_4^t |′()| d\)

=\(∫_4^t √46 d\)

=\(√46(t − 4)\)

(b) To find the point 7 units along the curve from P, we need to find the value of t such that s(t) = 7. That is,

\(√46(t − 4)\)= 7

t − 4 = 49/46

t = 233/46

Then, we can plug this value of t into r(t) to find the point:

r(233/46) = (5 − 233/46) i + (6(233/46) − 5) j + 3(233/46) k

= (57/46) i + (275/23) j + (699/46) k

So, the point 7 units along the curve from P is (57/46, 275/23, 699/46).

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Answer: 121 im pretty sure

Step-by-step explanation: 21175 divided by 175

Answer:

B. 3

Step-by-step explanation:

So because in the text it says 16 students go to bed before midnight, that mean the left bottom side is 5 based on simple math. if we add the total we have so far, 16 + 1 we have 17. Because there was a total of 20 students we know there are 3 left, the top right box that is left.

Answer: \(2(xy )^{2}\)  the same thing as 2(\(x^{2} y^{2}\))

Step-by-step explanation:

You multiply 2 by x times y squared.

It cannot be determined. At least one other point on the line is needed to determine if x is proportional to y

Given data ,

A point on a straight line has an x-coordinate of 3 and a y-coordinate of 6

Now , A single point on a straight line does not define the connection between x and y. We must evaluate the connection between x and y for several places on the line in order to establish if x is proportional to y.

As a result, the relationship between x and y cannot be inferred only from the supplied location (3, 6). To establish the proportionality between x and y, at least one more point on the line is required

Hence , the equation of line is solved

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The solution to the system of equations y = -2x + 4 and y = 1/2x + 4 is the point (0, 4)

A system of equations is a set of two or more equations that are to be solved simultaneously.

The solution of a system of equations is a set of values that satisfy all the equations in the system.

Given the equations:

y = -2x + 4

y = 1/2x + 4

The question implies that we solve graphically

So, we create a plot of the equations y = -2x + 4 and y = 1/2x + 4

And we write out the coordinate of the point of intersection between the two equations

From the graph of the system of equations (see attachment), we have the point of intersection to be (0, 4)

This means that the solution to the system of equations is (0, 4)

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Complete question

Solve the system of equations graphed on the coordinate axes below.

y = -2x + 4

y = 1/2x + 4

Answer:

0

Step-by-step explanation:

7√2(8)(06)+4√7(06)

7√2(8)(06)+4√7(06)

=0

The surface area of the right rectangular prism with given dimensions is equal to 207.4 square centimeters.

Surface area of the right rectangular prism

= 2 ( length × width + width × height + height × length )

In the diagram,

length of the right rectangular prism = 6.7cm

Width of the right rectangular prism = 6.0cm

Height of the right rectangular prism = 5cm

Substitute the values in the formula we get,

Surface area of the right rectangular prism

= 2 × ( 6.7 × 6 + 6 × 5 + 5 × 6.7 )

= 2 × ( 40.2 + 30 + 33.5 )

= 2 ×  103.7

= 207.4 square centimeters.

Therefore, the surface area of the prism with length 6.7 cm , width 6.0 cm and height 5cm is equal to 207.4 square centimeters.

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Answer:

Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. The formula used to calculate percentage is: (value/total value)×100%.

Step-by-step explanation:

~Inosuke Hashibria~

Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100.

Percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".

Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. It is given by:

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When testing the difference between the means of two normally distributed populations using independent random samples with equal variances, the correct test statistic to use is the two-sample t-test.

The two-sample t-test compares the means of two independent samples to determine if there is a significant difference between them. It takes into account the sample means, sample sizes, and sample variances to calculate a t-value. The assumption of equal variances is important in this context.

The formula for the two-sample t-test depends on the specific context, such as whether the samples have equal or unequal variances. The appropriate formula can be selected accordingly. However, when the variances of the populations are assumed to be equal and the sample sizes are relatively large (as per the general guidelines), the pooled two-sample t-test is commonly used.

In summary, the correct test statistic to use for testing the difference between the means of two normally distributed populations using independent random samples with equal variances is the two-sample t-test.

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Answer:

3x - x + 4 = 0

2x = -4

x = -4 ÷ 2

x = -2

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Answer:

Answer:

(2,2)

Step-by-step explanation:

the intersection of the two lines represents the solution

visually, you can see the lines intersect closely to (2,2)

The option that best aligns with the purpose of association rules is: "Which combinations of items are frequently purchased together."

The metric that is not associated with an association rule is "Idistance." The purpose of association rules is to identify relationships or patterns between items in a dataset. Common metrics used in association rule mining include support, lift, and confidence. These metrics help measure the strength, significance, and reliability of the associations found.

To address the provided options: Association rules can help identify which items are likely overpriced by examining the relationships between price and other attributes. They can provide insights into which combinations of items are frequently purchased together, helping with market basket analysis and product recommendation systems. Association rules are not directly used to predict the number of items that can be expected to sell next year.

This type of prediction would fall more into the realm of forecasting and time series analysis. The concept of "clusters" typically pertains to clustering algorithms used in unsupervised learning. Association rules are not directly used to determine the number of clusters or cluster items. Therefore, the option that best aligns with the purpose of association rules is: "Which combinations of items are frequently purchased together."

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Answer:

a = (v - u)/t.

Step-by-step explanation:

v = u + at

v - u = at

(v - u)/t = a.

For n independent Bernoulli's trial , with probability of success as "p" then , the

(a) probability of no failure is ⇒ pⁿ ,

(b) at least one failure is ⇒ 1 - pⁿ  ,

(c) at most one failure is ⇒ pⁿ + ⁿCₙ₋₁.pⁿ⁻¹(1-p) ,

(d) at least two failure is ⇒ 1 - [ pⁿ + ⁿCₙ₋₁.pⁿ⁻¹(1-p) ]  .

In the question ,

it is given that ,

number of Bernoulli's trials is = "n"  ;

the probability of success is ⇒ p ;

Part (a)

the probability of No Failure is equivalent to probability of all success .

= pⁿ .

Part(b)

The probability of at least one failure can be written as

= 1 - (probability of all success)

= 1 - pⁿ

Part(c)

the required probability of at most one failure is =

= probability of "No Failure" \(+\) probability of "One Failure"

= ⁿCₙpⁿ(1-p)⁰ + ⁿCₙ₋₁.pⁿ⁻¹(1-p)¹

= pⁿ + ⁿCₙ₋₁.pⁿ⁻¹(1-p)

Part(d)

the probability of at least two failure is =

= 1 - probability of "at most one failure"     ...substituting from part(c)  

= 1 - [ ⁿCₙpⁿ(1-p)⁰ + ⁿCₙ₋₁.pⁿ⁻¹(1-p)¹ ]

= 1 - [ pⁿ + ⁿCₙ₋₁.pⁿ⁻¹(1-p) ]

Therefore , the required probabilities are (a) pⁿ  ,

(b) 1 - pⁿ  ,

(c) pⁿ + ⁿCₙ₋₁.pⁿ⁻¹(1-p)  and  

(d) 1 - [ pⁿ + ⁿCₙ₋₁.pⁿ⁻¹(1-p) ]   .

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Answer:

If the two graphs are symmetric with respect to the line y = x (mirror images over y = x ), then they are inverse functions. But, we need a way to check without the graphs, because we won't always know what the graphs look like! then f(x) and g(x) are inverse functions.

Step-by-step explanation: Hope this helps :)

Answer:

0.35 mL

Step-by-step explanation:

There are 1000 mL in 1 Liter. 350 of 1000 is 0.35

Comment: RMS value is equal to the average value. This means that the signal does not have any high-frequency content. It can be inferred that the function y(t) does not oscillate. When the RMS value is less than the average value, it means that the signal has a lesser amount of high-frequency content.

Average and rms values for the function y(t)=25+10sin6πt over the time periods (a) 0 to 0.1 s, (b) 0.4 to 0.5 s, (c) 0 to 1/3 s, and (d) 0 to 20 s are as follows:

a) For t=0 to t=0.1s:

Average value, y_avg = 25

RMS value, y_RMS = 25.1987

Comment: RMS value is greater than the average value. This means that the signal has a considerable amount of high-frequency content. It can be inferred that the function y(t) oscillates rapidly.

b) For t=0.4 to t=0.5s:

Average value, y_avg = 25

RMS value, y_RMS = 28.2843

Comment: RMS value is greater than the average value. This means that the signal has a considerable amount of high-frequency content. It can be inferred that the function y(t) oscillates rapidly.

c) For t=0 to t=1/3 s:

Average value, y_avg = 25

RMS value, y_RMS = 23.7176

Comment: RMS value is less than the average value. This means that the signal has a lesser amount of high-frequency content. It can be inferred that the function y(t) oscillates slowly.

d) For t=0 to t=20 s:

Average value, y_avg = 25

RMS value, y_RMS = 25

Comment: RMS value is equal to the average value. This means that the signal does not have any high-frequency content. It can be inferred that the function y(t) does not oscillate. Comment on the nature and meaning of the results in terms of analysis of dynamic signals.The results indicate that the function y(t) oscillates rapidly at the start and end of the time period and slowly in the middle. When the RMS value is greater than the average value, it means that the signal has a considerable amount of high-frequency content.

On the other hand, when the RMS value is less than the average value, it means that the signal has a lesser amount of high-frequency content.

Furthermore, if the RMS value is equal to the average value, it means that the signal does not have any high-frequency content.

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Among the solvents mentioned, water allows the most sensitive procedure for obtaining molar mass by the freezing point depression method.

This is because water has a high freezing point depression constant compared to the other solvents, benzene and cyclohexane. The freezing point depression constant, denoted as K_f, is a measure of how much the freezing point of a solvent decreases when a solute is dissolved in it. The greater the K_f value, the more sensitive the method becomes in determining the molar mass. Water has a relatively large K_f value, which is 1.86 °C/m. This means that for every mole of solute dissolved in water, the freezing point is depressed by approximately 1.86 °C. In contrast, benzene has a K_f value of 5.12 °C/m, and cyclohexane has a K_f value of 20.0 °C/m. These values are smaller compared to water, indicating that the freezing point of these solvents is less sensitive to changes in solute concentration. Therefore, water allows for a more sensitive determination of molar mass by the freezing point depression method, making it the most suitable solvent among the options provided.

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Answer:

n = 4

Step-by-step explanation:

Among the provided answer options, the closest value to -0.555 is -0.55, which is option c. Therefore, option c (-0.55) is the value of c that satisfies P(Z ? c) = 0.71.

The notation P(Z ? c) represents the probability that a standard normal random variable Z is less than or equal to c. To find the value of c that corresponds to P(Z ? c) = 0.71, we need to determine the Z-score associated with this probability.

Using a standard normal distribution table or a calculator, we can find that a Z-score of approximately 0.555 corresponds to a cumulative probability of 0.71. However, since we are looking for the value of c in P(Z ? c), we need to consider the opposite inequality.

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Answer:

y = - 6

Step-by-step explanation:

Locate x = - 7 on the x- axis, go vertically down to meet the graph at (- 7, - 6)

Then output is y = - 6 when input is x = - 7

Answer:

80

Step-by-step explanation:because u have to multiply 4x3 then that’s 12 add 80 and U get 90 sorry if I’m wrong

Answer:

It is the first answer.

Step-by-step explanation:

The second answer is incorrect, because this has a negative slope which means that it has a negative association.

The third one is wrong because you can see that it does show that most of the points are clustered around a path that would be a line through the points.

The line of best fit does not have to go through any of the original points.

Answer:

25 minutes and 33 seconds

Step-by-step explanation:

please brainiest

Answer:

this was m closet answer 39.3701 and it was using 12 small boxes.

Step-by-step explanation:

Answer:

\(3^{0} =1\)

Step-by-step explanation:

Answer:

x = 6

Step-by-step explanation:

(4x + 29) + (12x + 55) = 180

16x +84 = 180

16x = 96

x = 6

∠4x + 29° and angle ∠12x + 55° are interior angles on the same side of transversal . Which means their sum will be equal to 180° .

We can write this in an equation and solve it as :-

\(\mapsto4x + 29 + 12x + 55 = 180\)

\(\mapsto \:16x + 29 + 55 = 180\)

\(\mapsto16x + 84 = 180\)

\(\mapsto16x = 180 - 84\)

\(\mapsto16x = 96\)

\(\mapsto \: x = \frac{96}{16} \)

\(\mapsto\color{darkorange} \: x = 6\)

Let us check whether or not we have found out the correct value of x , by placing 6 in the place of x .

So :-

∠4x + 29° :-

\( = 4 \times 6 + 29\)

\( = 24 + 29\)

\( \color{red}= 53°\)

∠12x + 55° :-

\( = 12 \times 6 + 55\)

\( = 72 + 55\)

\(\color{teal} = 127°\)

As , 53° + 127° = 180° , we can conclude that we have found out the correct value of x .

Therefore , the value of :-

\(\color{green}x = 6\)