I NEED HELP ASAP!!!!

Answer:

I made you a graph with the indicated line.

Step-by-step explanation:

Hope this helps! Brainliest would be much appreciated! Have a great day! :)

We can be 95% confident that the true population mean BMI is between 25.368 and 29.032.

A 95% confidence interval for the population mean can be constructed using the t-distribution when the sample size is small (<30) or the population standard deviation is unknown.

In this case, we have a random sample of 46 people with a mean body mass index (BMI) of 27.2 and a standard deviation of 6.0.

Thus, we need to use the t-distribution to construct the confidence interval.

The formula for the confidence interval is as follows:

Upper limit of the confidence interval:27.2 + (2.013) (6.0/√46) = 29.032Lower limit of the confidence interval:27.2 - (2.013) (6.0/√46) = 25.368

Therefore, the 95% confidence interval for the population mean BMI is (25.368, 29.032).

This means that we can be 95% confident that the true population mean BMI is between 25.368 and 29.032.

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Answer: x=67, y=23

Here are our 2 equations

x+2=3y

x+y+90=180

Simplifying,

x+2=3y

x+y=90

Now that we know this, we can use the 2nd equation to find x in terms of y,

x=90-y

and substitute in the first equation.

(90-y)+2=3y

=>92-y=3y

=>4y=92

=>y=23

So x=90-23

=>x=67

HOPE THIS HELPS

Answer:

x > 4

Add four to both sides

6x - 4 + 4 > 20 + 4

6x > 24

Divide both sides by 6

6x/6 > 24/6

x > 4

~Hope this helps~

Answer:1250

Step-by-step explanation:

The measure of angle A is 27°

Tangent-Secant Theorem: The product of the measures of the secant segment and its external secant segment is equal to the square of the measure of the tangent segment if a tangent segment and a secant segment are drawn to a circle from an exterior point.

The Circle identities refer to a set of fundamental identities in trigonometry that relate the six trigonometric functions of an angle in a right-angled triangle.

Since AB is tangent to circle P, we know that angle ABD is a right angle, point P is the center of the circle. Then we have:

We can use the fact that the angle between a tangent and a secant is equal to half the difference between the intercepted arcs to find the measure of angle A:

angle A = (1/2) × (arc BD - arc BC)

angle A = (1/2) × (135 - 81)

angle A = 27°

Therefore, the measure of angle A is 27°

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(a) By using the logistic equation P' = kP(1 - P/K), where P represents the fish population and K is the carrying capacity, we can determine the constant k. Given that the population tripled in the first year, we can set up the equation 3P = P(1 - kP/K) and solve for k. The value of k is approximately 0.0005833. We can then use this value to solve the logistic equation and find an expression for the population size after t years.

(b) To determine how long it will take for the population to increase to half of the carrying capacity, we set up the logistic equation P = 0.5K and solve for t. The solution to this equation gives us the time it takes for the population to reach half of the carrying capacity.

(a) To find the constant k, we set up the equation 3P = P(1 - kP/K) using the given information that the population tripled in the first year. By simplifying and solving for k, we find k ≈ 0.0005833. Now we can substitute this value of k into the logistic equation P' = 0.0005833P(1 - P/5100) and solve it to find an expression for the population size after t years.

(b) To determine the time it takes for the population to increase to half of the carrying capacity, we set up the equation P = 0.5(5100) using the logistic equation. By solving this equation, we can find the value of t that represents the time it takes for the population to reach half of the carrying capacity.

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The statement "every vector field f(x, y) is a gradient vector field" is false. Not every vector field can be expressed as the gradient of a scalar function.

A vector field is a function that assigns a vector to each point in space. A gradient vector field, on the other hand, is a special type of vector field that can be expressed as the gradient of a scalar function, also known as a potential function.

In order for a vector field to be a gradient vector field, it must satisfy a condition called the conservative property. This means that the line integral of the vector field along any closed curve is zero. In other words, the path taken to get from one point to another does not affect the integral.

However, not all vector fields satisfy this property. For example, consider a vector field with nonzero curl. The curl measures the rotational behavior of a vector field, and if it is nonzero, the vector field cannot be expressed as the gradient of a scalar function. Examples of such vector fields include the magnetic field generated by a current-carrying wire and fluid flow with vorticity.

Therefore, the statement that every vector field is a gradient vector field is false, as there exist vector fields that do not possess the conservative property and cannot be expressed as the gradient of a scalar function.

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The statement is false. Not every vector field is a gradient vector field.

A gradient vector field is a vector field that can be expressed as the gradient of a scalar function, also known as a potential function. In other words, if a vector field F(x, y) can be written as F(x, y) = ∇f(x, y), where ∇ represents the gradient operator and f(x, y) is a scalar function, then F(x, y) is a gradient vector field.

However, not every vector field can be expressed in this way. There are vector fields that do not have a scalar potential function associated with them. These vector fields are called non-conservative or non-potential vector fields. Non-conservative vector fields have circulation or path-dependent behavior that cannot be captured by a scalar potential function.

Therefore, the statement "every vector field f(x, y) is a gradient vector field" is false. While some vector fields can be expressed as the gradient of a scalar function, not all vector fields have this property.

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In Egypt British rule had important political and economic effects. The main interest of the British in Egypt was to keep control of the trade route that ran through Egypt to the Red Sea and then on to India.

Answer:

s = 10\(\sqrt{2}\)

Step-by-step explanation:

using the sine ratio in the right triangle and the exact value

sin45° = \(\frac{\sqrt{2} }{2}\) , then

sin45° = \(\frac{opposite}{hypotenuse}\) = \(\frac{s}{20}\) = \(\frac{\sqrt{2} }{2}\) ( cross- multiply )

2s = 20\(\sqrt{2}\) ( divide both sides by 2 )

s = 10\(\sqrt{2}\)

Using a proportional relationship, it is found that:

Dillon recommends that the amount of time college students spend studying each week should be about the amount twice the time spent in class.

A proportional relationship is a function in which the output variable is given by the multiplication of the input variable and the constant of proportionality represented by k, according to the rule presented as follows:

y = kx

For this problem, the variables are presented as follows:

From the table, the constant is calculated as follows:

k = 24/12 = 18/9 = 12/6 = 2.

Meaning that the amount of study should be twice the time spent in class.

The table relating the variables is given at the end of the answer.

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The vertices are (-1, 2) and (-1, 10), the foci are approximately (-1, -1.21) and (-1, 13.21), and the equations of the asymptotes are y = ±(3/2)(x + 1) + 6.

To write the equation for the hyperbola in standard form, we need to rearrange the given equation:

(v - 6)² / 36 - (x + 1)² / 16 = 1

The standard form of a hyperbola with center (h, k), horizontal transverse axis, and a vertical conjugate axis is:

(x - h)² / a² - (y - k)² / b² = 1

Comparing the given equation with the standard form, we can identify the following:

Center: The center of the hyperbola is at (-1, 6).

Vertices: The vertices are located on the transverse axis, which is vertical in this case. The distance from the center to each vertex is given by a. In this equation, a² = 16, so a = 4. The vertices are then (h, k ± a) = (-1, 6 ± 4). Therefore, the vertices are (-1, 2) and (-1, 10).

Foci: The foci are also located on the transverse axis. The distance from the center to each focus is given by c. In this equation, c² = a² + b², so c² = 36 + 16 = 52. Taking the square root, we have c ≈ √52 ≈ 7.21. The foci are then (h, k ± c) = (-1, 6 ± 7.21). Therefore, the foci are approximately (-1, -1.21) and (-1, 13.21).

Equations of Asymptotes: The equations of the asymptotes for this hyperbola can be determined using the formula y = ±(b/a)(x - h) + k. In this case, b² = 36, so b = 6. The equations of the asymptotes are then y = ±(6/4)(x + 1) + 6, which simplifies to y = ±(3/2)(x + 1) + 6.

In summary, the equation of the hyperbola in standard form is:

(x + 1)² / 16 - (v - 6)² / 36 = 1

The vertices are (-1, 2) and (-1, 10), the foci are approximately (-1, -1.21) and (-1, 13.21), and the equations of the asymptotes are y = ±(3/2)(x + 1) + 6.

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Answer:

π (radius) square

where π value is 22/7

Answer:

15 choose 2 = 105

\(=\frac{15!}{2!\left(15-2\right)!}\)

Step-by-step explanation:

The proportionate reduction in error for knowing the value of the independent variable is 0.54.

The variable which does not depend on any variable and hence independent are known as independent variable.

Given that,

sum of squares for a regression equation was 153.7 = SST

error sum of squares was 82.6 = SSE

SS (reg) = SST - SSE

                153.7 - 82.6

                 SS(reg) = 71.1

The proportionate reduction in error for knowing the value of the independent.

             = 1 - \(\frac{(SS)reg}{SST}\)

             = 1 - \(\frac{71.1}{153.7}\)

             = 1 - 0.46

             = 0.54

The proportionate reduction in error for knowing the value of the independent variable is 0.54.

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Answer:

mABC=130°

mEBD=130°

mABE=50°

Step-by-step explanation:

The monthly payment is the amount which is required to pay each month to pay off the borrowed principal amount.

The total year it will take to pay off the loan is 3 years. The option 2 is the correct option.

The monthly payment is the amount which is required to pay each month to pay off the borrowed principal amount.

Given information-

The table between the following terms is arranged below,

Inga’s Payment Plan for the First 3 Years, Year Balance Monthly Payment, End of Year Balance-

1) $19,691.28               $273.49                 $16,409.40

2)$16,409.40              $273.49                $13,127. 52

3)$13,127. 52              $273.49                 $9,845. 64

The amount of $273.49 is deducting from her account each month. As the number of months in a e year are 12. Thus the yearly amount is deducting from account,

\(=273.49\times12\\=3281.88\)

Hence, the yearly amount is deducting from account is $3281.88.

End of the third column of the table the end of year balance of her loan is $9285.64.

Thus the amount which has to pay be paid is $9285.64.

As the the yearly amount is deducting from account is $3281.88. Thus the total year (\(t\)) it will take to pay $9285.64 is,

\(t=\dfrac{9285.64}{3281.88} \\t=3\)

Thus the total year it will take to pay off the loan is 3 years. The option 2 is the correct option.

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Answer:

number 2

Step-by-step explanation:

Answer:

give me brainlist please

Step-by-step explanation:

We can use the formula for conditional probability and the formula for the probability of the union of events to find P(C).

Using the formula for conditional probability, we can find P(A|B) = P(A n B) / P(B) = 0.05 / 0.26 = 0.192

Using the formula for conditional probability again, we can find P(A|C) = P(A n C) / P(C) = 0.05 / P(C)

Since A and C are independent events, we know that P(A|C) = P(A), so we can write:

0.05 / P(C) = 0.24

Solving for P(C) we get P(C) = 0.05/0.24 = 0.208

Alternatively, we can use the formula for the probability of the union of events:

P(A u B u C) = P(A) + P(B) + P(C) - P(A n B) - P(A n C) - P(B n C) + P(A n B n C)

We know that P(A u B u C) = 1 - P((A u B u C)^/) = 1 - 0.33 = 0.67

and we know the values of P(A), P(B), P(A n B), P(A n C), P(B n C), P(A n B n C)

We can substitute these values into the above equation to find P(C)

P(C) = 0.67 - 0.24 - 0.26 + 0.05 + 0.05 + 0.05 - 0.02 = 0.208

So P(C) = 0.208

The first term involving the product of ln(x) and the integral of f(x+4), and the second term involving the integral of the reciprocal function (1/x) and the integral of f(x+4).

To evaluate the integral ∫f(x+4)ln(x)dx using integration by parts, we need to identify u and dv. Let's choose:

u = ln(x)
dv = f(x+4)dx

Now we need to find du and v:

du = (1/x)dx
v = ∫f(x+4)dx

We don't have the exact form of f(x+4), so I'll leave it as v. Now, we can apply integration by parts formula:

∫udv = uv - ∫vdu

Substitute the values of u, dv, du, and v:

∫ln(x)f(x+4)dx = ln(x)∫f(x+4)dx - ∫(1/x)∫f(x+4)dx dx

Without the specific form of f(x+4), it is not possible to provide an exact answer. However, the final answer will be in this format, with the first term involving the product of ln(x) and the integral of f(x+4), and the second term involving the integral of the reciprocal function (1/x) and the integral of f(x+4).

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Using Euler integration, the next values of x and y can be determined as follows:

x_next = x_current + delta_X

y_next = y_current + delta_X * y'

Euler integration is a numerical method used to approximate solutions to differential equations. It is based on the concept of dividing the interval into small steps and using the derivative at each step to calculate the next value. In this case, we are given the current values of x=2, y=8, and y'=9, with a step size of delta_X=5.

To determine the next values of x and y, we use the following formulas:

x_next = x_current + delta_X

y_next = y_current + delta_X * y'

Substituting the given values into the formulas, we have:

x_next = 2 + 5 = 7

y_next = 8 + 5 * 9 = 53

Therefore, the updated values of x and y using Euler integration are x=7 and y=53.

It's important to note that Euler integration provides an approximate solution and the accuracy depends on the chosen step size. Smaller step sizes generally lead to more accurate results. Other numerical methods, such as Runge-Kutta methods, may provide more accurate approximations.

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Answer:

35cm

Step-by-step explanation:

Answer:

35 :)

Step-by-step explanation:

mutiply by the length 7 and the 5 width

Answer:

All of them are true except the 5th from the top

Step-by-step explanation:

The information given is not sufficient to solve for the number of hours the remaining 2 tractors worked to finish harvesting the field.

To solve for this, additional information is required such as the mowing speed of each tractor, the size of the field, and the amount of the field that was mowed before the 3 tractors left the job.

With this information, you can determine the total mowing time required to mow the entire field, and then subtract the 6 hours the 5 tractors worked together to find the time the remaining 2 tractors worked.

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The median number of telephone line in thousands is 0

The number of telephone lines in each country = 250000

From the given dot plot

The data set will be

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 250, 250, 250, 250, 250, 500, 750, 750, 1000, 1000, 1250, 1750

The median of the data set is the middle term of the ordered data set. The order of the data set maybe ascending or descending order

There are 28 terms in the data set the middle terms will be 14th and 15th

Both 4th and 15 terms are 0

Therefore, the median is 0

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Answer:

Greatest to least...

4 to the power of 13, 14 2/5, 14.33

Step-by-step explanation:

I got this correct on my test

Step 1

Given;

Required; Solve the following exponential equation. Express your answer as both an exact expression and a decimal approximation rounded to two decimal places.

Step 2

Solve the equation

Answer;