2³ × 3³÷2² × 3² I can't solve it​

An independent basic service set (IBSS) does not consist of any access points.

In an IBSS, devices such as laptops or smartphones connect with each other on a peer-to-peer basis, forming a temporary network. This type of network can be useful in situations where there is no existing infrastructure or when devices need to communicate with each other directly.

Since an IBSS does not involve any access points, it is not limited by the number of access points. Instead, the number of devices that can be part of an IBSS depends on the capabilities of the devices themselves and the network protocols being used.

To summarize, an IBSS does not consist of any access points. Instead, it is a network configuration where wireless devices communicate directly with each other. The number of devices that can be part of an IBSS depends on the capabilities of the devices and the network protocols being used.

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For a normal distribution of SAT critical reading scores with a mean of 513 and a standard deviation of 124:

(a) Approximately 86.69% of the SAT verbal scores are less than 650.

(b) If 1000 SAT verbal scores are randomly selected, we would expect approximately 618 scores to be greater than 550.

(a) To find the percentage of SAT verbal scores that are less than 650, we need to calculate the z-score and use the standard normal distribution table.

First, we calculate the z-score:

z = (x - μ) / σ = (650 - 513) / 124 = 1.107.

Using the standard normal distribution table or a calculator, we find that the cumulative probability associated with a z-score of 1.107 is approximately 0.8669.

To convert this to a percentage, we multiply by 100:

0.8669 * 100 = 86.69%.

Approximately 86.69% of the SAT verbal scores are less than 650.

(b) To estimate the number of SAT verbal scores greater than 550 out of a randomly selected 1000 scores, we can use the mean and standard deviation provided.

First, we calculate the z-score:

z = (x - μ) / σ = (550 - 513) / 124 = 0.298.

Next, we find the cumulative probability associated with a z-score of 0.298, which is approximately 0.6179.

To estimate the number of scores greater than 550 out of 1000, we multiply the probability by the sample size:

0.6179 * 1000 = 617.9.

We would expect approximately 618 SAT verbal scores to be greater than 550 out of the randomly selected 1000 scores.

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The vector equation for the line of intersection of the planes 2x - 2y + 2z = 4 and 2xy + 3z = 1 is given by r = <x, y, z> = <2/3t + 1, 2/3t + 1, t>, where t is a parameter.

To find the vector equation for the line of intersection, we need to solve the given system of equations. The first step is to set up a parameter to represent the variables. Let's choose t as the parameter.

For the first equation, 2x - 2y + 2z = 4, we can rewrite it in parametric form as x = 2/3t + 1, y = 2/3t + 1, and z = t by isolating the variables.

Next, we substitute these expressions into the second equation, 2xy + 3z = 1. After replacing x, y, and z with their parametric forms, we get

(2(2/3t + 1)(2/3t + 1)) + 3t = 1.

Simplifying the equation, we have \((4/9)t^2 + (8/9)t + 2/3 + 3t = 1.\)

Combining like terms, we get \((4/9)t^2 + (35/9)t + 2/3 = 1.\)

Rearranging the equation, we have \((4/9)t^2 + (35/9)t - 1/3 = 0.\)

To solve this quadratic equation, we can use factoring, completing the square, or the quadratic formula. Once we find the values of t, we can substitute them back into the parametric equations for x, y, and z to obtain the vector equation of the line of intersection.

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Answer:

The answer is 197.

Step-by-step explanation:

\(\\ \bull\tt\longmapsto 36xyz+24xy-16x\)

\(\\ \bull\tt\longmapsto \dfrac{36xyz}{4}+\dfrac{24xy}{4}-\dfrac{16x}{4}\)

\(\\ \bull\tt\longmapsto 9xyz+6xy-4x\)

\(\\ \bull\tt\longmapsto \dfrac{9xyz}{x}+\dfrac{6xy}{x}-\dfrac{4x}{x}\)

\(\\ \bull\tt\longmapsto 9yz+6y-4\)

Answer:

4x(9yz + 6y - 4)

Step-by-step explanation:

36xyz + 24xy - 16x ← factor out 4x from each term

= 4x(9yz + 6y - 4)

Answer: 0.75

Step-by-step explanation:

It is easier to divide if you get rid of the decimal, divide 375/5, and then add the decimal back.

The upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.

To determine the upper bound of the 95% confidence interval for the average age in the U.S., we can use the sample data from the survey. The sample size is 1072 people, randomly selected from the U.S. population, with a minimum age of 12. By calculating the average age of the respondents, we can estimate the average age of the entire U.S. population.

Using the given information that the average age of the respondents is 43.56 years, and assuming that the sample is representative of the population, we can calculate the standard error. The standard error measures the variability of the sample mean and indicates how much the sample mean might deviate from the population mean.

Using statistical methods, we can calculate the standard error and construct a confidence interval around the sample mean. The upper bound of the 95% confidence interval represents the highest plausible value for the population average age based on the sample data.

Therefore, based on the provided information and calculations, the upper bound of the 95% confidence interval for the average age in the U.S. is 48.29 years.

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Answer:

x=45

y=135

z=45

We will get that the angle theta is:

θ = β/2

Remember that the sum of the interior angles of any triangle must be equal to 180°.

Now, looking at the triangle in the left, we can see that the top angle is equal to:

180 - 2α

The right angle is equal to:

180 - 2β

And the left angle is α

Then we can write:

α + (180 - 2α) + (180 - 2β) = 180

-α - 2β = -180

α = 180 - 2β

Now we can go to the other triangle, where theta is, and write:

α + β + 2θ = 180

Replacing what we found above, we get:

180 - 2β + β + 2θ = 180

-β + 2θ = 0

θ = β/2

That is the best simplification we can get with the given diagram.

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Answer:

For an nth term U(n) = a + (n -1)d

n = number of terms

a = first term

d = common difference

a = 8

d = 16 - 8 = 8

U(n) = 8 + (n-1)8

= 8 + 8n - 8

= 8n

The formula for the sequence is 8n

Hope this helps.

Step-by-step explanation:

+25y + 35x = -1. × 5

+35x - 14y = -161. × 7

-. +. +

39y = 156

y=4

putting value of y in 5y + 7x =-1

5×4+7x =-1

7x = -21

x= -3

Answer:

b

Step-by-step explanation:

Answer:

1=8

2=16

5=40

6=48

10=80

12=96

Step-by-step explanation:

you have to multiply by 8 with the left numbers and you divide by 8 with the right numbers

The area of the rectangular parking lot is 929.03 square meters.

Use the formula for the area of a rectangle to calculate the area of the rectangular parking lot, which is given as:

Area = length × width

We know that the parking lot is 67.5 ft wide and 148 ft long, the area can be calculated as follows:

Area = 67.5 ft × 148 f

t= 9990 sq. ft

However, the question asks for the area in square meters, so we need to convert square feet to square meters. 1 square foot is equal to 0.092903 square meters, so we can use this conversion factor to convert square feet to square meters.

Area in square meters = Area in square feet × 0.092903

= 9990 sq. ft × 0.092903

= 929.03 sq meters

Therefore, the area is 929.03 square meters.

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Answer:

Delaney  solve for X by isolating it,  or getting it by it self

Step-by-step explanation:

5x−2(x+1)=1/4 (distribute the 2)

5x-2x - 2 = 1/4  (subtract 2x from 5x)

3x -2 +2 = 1/4 +2 (add 2 to both sides)

3x = 2_1/4  (put 2 &  1/4 together)

3x = 9/4 (convert 2_1/4 to  9/4)

\(\frac{1}{3}\)*3*x =  \(\frac{1}{3}\)*\(\frac{9}{4}\)  ( mutilply both sides by  1/3)

X = 3/4   (cross multiply )

There you go

X = \(\frac{3}{4}\)

Answer:

\(\huge\boxed{\bf\:x = \frac{3}{4}}\)

Step-by-step explanation:

\(5x - 2(x+1)=\frac{1}{4}\)

Use the distributive property for 2(x + 1).

\(5x - 2x - 2= \frac{1}{4}\)

Subtract 2x from 5x.

\(3x - 2= \frac{1}{4}\)

Bring 2 to the right hand side of the equation .

\(3x = \frac{1}{4} + 2\)

Add 1/4 & 2.

\(3x = \frac{1}{4} + \frac{8}{4} \: \: [LCM = 4]\\3x = \frac{9}{4}\)

Now, bring 3 to the right hand side of the equation .

\(x = \frac{9}{4} \times \frac{1}{3}\\x = \frac{9}{12}\\\boxed{\bf\:x = \frac{3}{4}}\)  

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Answer:

-5, -7, and -12

Step-by-step explanation:

A function is defined as a relation between a set of inputs having one output each.

The values of the function r(x) at x = -2, 0 and 5 are -5, -7, and -12.

A function is defined as a relation between a set of inputs having one output each.

The inputs are called the domain of the function.

The outputs are called the range of the function.

We have,

A function r(x)

r(x) = x - 7

The value of r(x) at x = -2:

r(-2) = - ( -2) - 7

r(-2) = 2 - 7 = -5

The value of r(x) at x = 0:

r(0) = -0 - 7 = -7

The value of r(x) at x = -2:

r(5) = -5 - 7 = -12

We see that,

Domain = -2, 0, and 5.

Range = -5, -7, and -12.

Thus,

The values of the function r(x) at x = -2, 0 and 5 are -5, -7, and -12.

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An index of refraction is the ratio of the speed of light in a vacuum to the speed of light in a material. In other words, it's a measure of how much a material can slow down the speed of light. When light passes from one medium to another with a different index of refraction, it bends or refracts.

The ratio of the speed of light in material A to the speed of light in material B can be found by using the formula

V = c/n,

where V is the speed of light in the medium, c is the speed of light in a vacuum, and n is the index of refraction.

We can write this formula as V = c * (1/n).

So, the ratio of the speed of light in material A to the speed of light in material B can be found as follows:

Va/Vb = (c/4/3) / (c/5/4) = (5/4) / (4/3) = 15/16

Therefore, Va/Vb = 15/16.

An index of refraction is the ratio of the speed of light in a vacuum to the speed of light in a material. In other words, it's a measure of how much a material can slow down the speed of light. When light passes from one medium to another with a different index of refraction, it bends or refracts.

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Answer: 81,000

Step-by-step explanation:

We can solve this by using the formula given.

If f(1)=1000x3^1, then 1,000x3=3,000

If f(2)=1000x3^2, then 3^2=9 and 1000x9=9000,

and so on,

Now, f(4) will equal 1000x3^4, and 3^4 is 3x3x3x3, which is 9x9 or 9^2, which would be equal to 81, and 81x1000=81,000

To complete the table of values for the exponential function f(x) = 1000*3^x, we can evaluate the function for x = 0, 1, 2, 3, and 4, since we are interested in the number of bacteria on the phone after 4 hours.

x f(x)

0 1000

1 3000

2 9000

3 27,000

4 81,000

Therefore, after 4 hours, there will be 81,000 bacteria on the surface of the phone, assuming the number of bacteria triples every hour and can be described by the exponential function f(x) = 1000*3^x.

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The matrix that would best describe the data for both tutors is given as follows:

\(\begin{bmatrix}\\240 \\120\\ 60\end{bmatrix}\) \(\begin{bmatrix} 45& 65\\25 & 35\\15 & 20\end{bmatrix}\)

A matrix is a rectangular array or table of numbers, symbols, or expressions that are organized in rows and columns to represent a mathematical object or an attribute of such an object in mathematics.

The following are the various kinds of matrices:

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Answer:

$41,720

Step-by-step explanation:

Answer:

y = 8.7

Step-by-step explanation:

Assuming we can use decimal places, y is equal to 8.7.

In programming, += is often used as a substitute for y = y + x (example)

Therefore, y = y + 3.7, and since y = 5, y = 5 + 3.7, y = 8.7

The measure of arc ECF in Circle G is 98°.Therefore, the correct option is 98°.Option A is incorrect. Option B is correct. Option C is incorrect. Option D is incorrect.

Given that Circle G is inscribed with triangle EFD, Point C is on the circle between points E and F, angle E is 79 degrees, and the measure of arc ED is 104 degrees.

We need to find the measure of arc ECF in Circle G.

From the given information, we can say that angle ECF is an inscribed angle in the circle.

So, the measure of the angle ECF is half the measure of the arc EDF.

That is:

∠ECF = 1/2(arc EDF)

         = 1/2(104)

         = 52

Thus, the measure of arc ECF in Circle G is 98°.

Therefore, the correct option is 98°.Option A is incorrect. Option B is correct. Option C is incorrect. Option D is incorrect.

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In Herrnstein's matching equation, the letters and numbers to the left of the equals sign refer to behaviour.

THE MATCHING LAW

Herrnstein's Experiment Herrnstein (1961) conducted an experiment with pigeons in a room with two response buttons, red and white. Each key was assigned its own VI gain schedule. For example, under one condition, the left button pick was boosted on a VI 135 second schedule, and the right button pick was boosted on a VI 270 second schedule.

After the birds have learned as much as possible about this electoral situation, how do they distribute their responses? We trained them for days and then measured their reactions. As is often the case with VI schedules, birds returned many responses for each reinforcer received. Most interesting, however, is that in this condition, where two-thirds of the reinforcers came from the left button, the birds performed about two-thirds of the responses with the left button. That is, the proportion of left button responses equaled or matched the proportion of reinforcers delivered by the left button. In another condition, two birds received only about 15% of reinforcers from the left key and responded about 15% to that key.

Based on these results, Herrnstein proposed the following general principle for individual behavior when presented with alternative sequences. So, what you think makes sense rather than other options available at that particular moment.

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The center of the circle is point: C=(−2,−7).

Answer:

width of the rectangle is 12 ft and the length is 18 ft.

Step-by-step explanation:

Let's call the width of the rectangle "w" and the length "l". From the problem, we know that:

Area = 432 ft^2

l = w + 6 ft

We also know that the area of a rectangle is found by multiplying the width by the length, so:

432 = w * (w + 6)

We can simplify this equation by multiplying out the right side:

432 = w^2 + 6w

Now we have a quadratic equation in one variable, we can solve for w by either factoring, completing the square or using the quadratic formula.

432 = w^2 + 6w

432 = w(w + 6)

w(w+6)=432

w=12

Now that we know the width is 12 we can use the second equation to find the length:

l = w + 6 = 12 + 6 = 18

So the width of the rectangle is 12 ft and the length is 18 ft.

Answer:

side-side-side similarity

Step-by-step explanation:

this is because the bigger triangle side lenghts are 2 times the side lenghts of the smaller triangle.

Answer:

Angle-Angle similarity

Step-by-step explanation:

The triangles does not have the same length of sides. Therefore, they have the same angles

Answer:

1; 3; 9; 27, 81

-15; -8; -1; 6; 13

1/2; 1/4; 1/8; 1/16; 1/32

Step-by-step explanation:

Hope This Helps!

Thanks For the 5 points ; )

Answer:

Step-by-step explanation:

Equation:

-3k = 108

We need to separate -3 from k. So we must do the inverse operation.

Divide both sides by -3

k = -36

Hope this helps :)

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